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Harold Weaver

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Planetary Scientist
240-228-8078
  • PhD, Physics
    1982, Johns Hopkins University
  • BS, Physics
    1975, Duke University

I have been studying planetary science since 1978. For my dissertation research, I analyzed the ultraviolet spectra of comets obtained with the NASA/ESA International Ultraviolet Expllorer (IUE) satellite. In the 1980s, I started observing comets using high resolution infrared spectroscopy, and discovered water emission from Comet Halley in 1985 using the Kuiper Airborne Observatory. I've led many investigations of comets using the NASA/ESA Hubble Space Telescope (HST). I was the Principal Investigator on the first HST spectroscopic observations of a comet in September 1991, and on the main HST program to study Comet D/Shoemaker-Levy 9, which plunged into Jupiter’s atmosphere in July 1994. I led several programs to observe comets using the Far Ultraviolet Spectroscopic Explorer (FUSE), another Earth-orbiting astronomical facility. In 2007, I became a Co-Investigator on the Alice Ultraviolet Spectrograph, which is one of the principal NASA contributions to the ESA-led Rosetta comet mission. Currently I'm a Co-Investigator and Project Scientist on the New Horizons Mission, the first spacecraft mission to Pluto and the Kuiper belt. In 2005 my team and I discovered two new satellites around Pluto, Nix and Hydra. In summer 2015 New Horizons passed by Pluto, turning it from a pixelated blob into a complex and diverse world with water ice mountains, nitrogen glaciers, and multiple layers of atmospheric haze. Asteroid 5720 Halweaver was named after me in 1996.

Notable Awards and Leadership

Year(s) Description
2006 - Present Associate Editor at Icarus
1982 - Present Division of Planetary Sciences of the American Astronomical Society
1982 - Present American Geophysical Union
1988 NASA Medal for Exceptional Scientific Achievement

Scholarly Publications

Distant Comet C/2017 K2 and the Cohesion Bottleneck

Astronomical Journal, 2019
David Jewitt, Jessica Agarwal, Man-To Hui, Jing Li, Max Mutchler, Harold Weaver, (2019), Distant Comet C/2017 K2 and the Cohesion Bottleneck, Astronomical Journal, 157

Active Asteroid P/2017 S5 (ATLAS)

Astronomical Journal, 2019
David Jewitt, Yoonyoung Kim, Jayadev Rajagopal, Susan Ridgway, Ralf Kotulla, Wilson Liu, Max Mutchler, Jing Li, Harold Weaver, Stephen Larson, (2019), Active Asteroid P/2017 S5 (ATLAS), Astronomical Journal, 157

A Search for Water Vapor Plumes on Europa using SOFIA

Astrophysical Journal Letters, 2019
W. B. Sparks, M. Richter, C. deWitt, E. Montiel, N. Dello Russo, J. M. Grunsfeld, M. A. McGrath, H. Weaver, K. P. Hand, E. Bergeron, W. Reach, (2019), A Search for Water Vapor Plumes on Europa using SOFIA, Astrophysical Journal Letters, 871

Washboard and fluted terrains on Pluto as evidence for ancient glaciation

Nature Astronomy, 2019
Oliver L. White, Jeffrey M. Moore, Alan D. Howard, William B. McKinnon, James T. Keane, Kelsi N. Singer, Tanguy Bertrand, Stuartj Robbins, Paul M. Schenk, Bernard Schmitt, Bonniej Buratti, S. Alan Stern, Kimberly Ennico, Cathy B. Olkin, Harold A. Weaver, Leslie A. Young, John R. Spencer, Ross A. Beyer, Marc W. Buie, Andrew F. Cheng, Dale P. Cruikshank, Cristina M. Dalle Ore, G. Randy Gladstone, William M. Grundy, Tod R. Lauer, Ivan R. Linscott, Francis Nimmo, Joel W. Parker, Simon B. Porter, Harold J. Reitsema, Dennis C. Reuter, James H. Roberts, Mark R. Showalter, Darrel F. Strobel, Michael E. Summers, G. Len Tyler, Orkan M. Umurhan, Maria Banks, Olivier S. Barnouin, Veronica J. Bray, Brian Carcich, Andrew L. Chaikin, Carrie L. Chavez, Cindy A. Conrad, Douglas P. Hamilton, Carlyj A. Howett, Jason D. Hofgartner, Joshua A. Kammer, Carey M. Lisse, Annie Marcotte, Alex H. Parker, Kurt D. Retherford, Magda Saina, Kirby Runyon, Eric Schindhelm, John Stansberry, Andrew J. Steffl, Ted Stryk, Henry B. Throop, Constantine C. C. Tsang, Anne J. Verbiscer, Helene Winters, Amanda M. Zangari, Richard P. Binzel, Alissa M. Earle, New Horizons Geology Geophys, (2019), Washboard and fluted terrains on Pluto as evidence for ancient glaciation, Nature Astronomy, 3, 62-68

The Excited Spin State of 1I/2017 U1 'Oumuamua

Astrophysical Journal Letters, 2018
Michael J. S. Belton, Olivier R. Hainaut, Karen J. Meech, Beatrice E. A. Mueller, Jan T. Kleyna, Harold A. Weaver, Marc W. Buie, Michal Drahus, Piotr Guzik, Richard J. Wainscoat, Waclaw Waniak, Barbara Handzlik, Sebastian Kurowski, Siyi Xu, Scott S. Sheppard, Marco Micheli, Harald Ebeling, Jacqueline V. Keane, (2018), The Excited Spin State of 1I/2017 U1 'Oumuamua, Astrophysical Journal Letters, 856

The nitrogen cycles on Pluto over seasonal and astronomical timescales

Icarus, 2018
T. Bertrand, E. Forget, O. M. Umurhan, W. M. Grundy, B. Schmitt, S. Protopapa, A. M. Zangari, O. L. White, P. M. Schenk, K. N. Singer, A. Stern, H. A. Weaver, L. A. Young, K. Ennico, C. B. Olkin, (2018), The nitrogen cycles on Pluto over seasonal and astronomical timescales, Icarus, 309, 277-296

APO Time-resolved Color Photometry of Highly Elongated Interstellar Object 1I/'Oumuamua

Astrophysical Journal Letters, 2018
Bryce T. Bolin, Harold A. Weaver, Yanga R. Fernandez, Carey M. Lisse, Daniela Huppenkothen, R. Lynne Jones, Mario Juric, Joachim Moeyens, Charles A. Schambeau, Colin. T. Slater, Zeljko Ivezic, Andrew J. Connolly, (2018), APO Time-resolved Color Photometry of Highly Elongated Interstellar Object 1I/'Oumuamua, Astrophysical Journal Letters, 852

Composition of Pluto's small satellites: Analysis of New Horizons spectral images

Icarus, 2018
Jason C. Cook, Cristina M. Dalle Ore, Silvia Protopapa, Richard P. Binzel, Richard Cartwright, Dale P. Cruikshank, Alissa Earle, William M. Grundy, Kimberly Ennico, Carly Howett, Donald E. Jennings, Allen W. Lunsford, Catherine B. Olkin, Alex H. Parker, Sylvain Philippe, Dennis Reuter, Bernard Schmitt, John A. Stansberry, S. Alan Stern, Anne Verbiscer, Harold A. Weaver, Leslie A. Young, (2018), Composition of Pluto's small satellites: Analysis of New Horizons spectral images, Icarus, 315, 30-45

Albedo matters: Understanding runaway albedo variations on Pluto

Icarus, 2018
Alissa M. Earle, Richard P. Binzel, Leslie A. Young, S. A. Stern, K. Ennico, W. Grundy, C. B. Olkin, H. A. Weaver, New Horizons Surface Composition, (2018), Albedo matters: Understanding runaway albedo variations on Pluto, Icarus, 303, 1-9

Methane distribution on Pluto as mapped by the New Horizons Ralph/MVIC instrument

Icarus, 2018
Alissa M. Earle, W. Grundy, C. J. A. Howett, C. B. Olkin, A. H. Parker, F. Scipioni, R. P. Binzel, R. A. Beyer, J. C. Cook, D. P. Cruikshank, C. M. Dalle Ore, K. Ennico, S. Protopapa, D. C. Reuter, P. M. Schenk, B. Schmitt, S. A. Stern, H. A. Weaver, L. A. Young, New Horizons Surface Composition, (2018), Methane distribution on Pluto as mapped by the New Horizons Ralph/MVIC instrument, Icarus, 314, 195-209

Determining the Alpha to Proton Density Ratio for the New Horizons Solar Wind Observations

Astrophysical Journal, 2018
H. A. Elliott, P. Valek, D. J. McComas, P. A. Delamere, F. Bagenal, G. R. Gladstone, C. B. Olkin, J. Spencer, S. A. Stern, L. A. Young, H. A. Weaver, K. Ennico, New Horizons Plasma Particle Team, (2018), Determining the Alpha to Proton Density Ratio for the New Horizons Solar Wind Observations, Astrophysical Journal, 866

FUV Spectral Signatures of Molecules and the Evolution of the Gaseous Coma of Comet 67P/Churyumov-Gerasimenko

Astronomical Journal, 2018
Paul D. Feldman, Michael F. A'Hearn, Jean-Loup Bertaux, Lori M. Feaga, Brian A. Keeney, Matthew M. Knight, John Noonan, Joel Wm. Parker, Eric Schindhelm, Andrew J. Steffl, S. Alan Stern, Ronald J. Vervack, Harold A. Weaver, (2018), FUV Spectral Signatures of Molecules and the Evolution of the Gaseous Coma of Comet 67P/Churyumov-Gerasimenko, Astronomical Journal, 155

Far-ultraviolet Spectroscopy of Recent Comets with the Cosmic Origins Spectrograph on the Hubble Space Telescope

Astronomical Journal, 2018
Paul D. Feldman, Harold A. Weaver, Michael F. A'Hearn, Michael R. Combi, Neil Dello Russo, (2018), Far-ultraviolet Spectroscopy of Recent Comets with the Cosmic Origins Spectrograph on the Hubble Space Telescope, Astronomical Journal, 155

The Lyman-alpha Sky Background as Observed by New Horizons

Geophysical Research Letters, 2018
G. Randall Gladstone, W. R. Pryor, S. Alan Stern, Kimberly Ennico, Catherine B. Olkin, John R. Spencer, Harold A. Weaver, Leslie A. Young, Fran Bagenal, Andrew F. Cheng, Nathaniel J. Cunningham, Heather A. Elliott, Thomas K. Greathouse, David P. Hinson, Joshua A. Kammer, Ivan R. Linscott, Joel Wm. Parker, Kurt D. Retherford, Andrew J. Steffl, Darrell F. Strobel, Michael E. Summers, Henry Throop, Maarten H. Versteeg, Michael W. Davis, (2018), The Lyman-alpha Sky Background as Observed by New Horizons, Geophysical Research Letters, 45, 8022-8028

Pluto's haze as a surface material

Icarus, 2018
W. M. Grundy, T. Bertrand, R. P. Binzel, M. W. Buie, B. J. Buratti, A. F. Cheng, J. C. Cook, D. P. Cruikshank, S. L. Devins, C. M. Dalle Ore, A. M. Earle, K. Ennico, F. Forget, P. Gao, G. R. Gladstone, C. J. A. Howett, D. E. Jennings, J. A. Kammer, T. R. Lauer, I. R. Linscott, C. M. Lisse, A. W. Lunsford, W. B. McKinnon, C. B. Olkin, A. H. Parker, S. Protopapa, E. Quirico, D. C. Reuter, B. Schmitt, K. N. Singer, J. A. Spencer, S. A. Stern, D. F. Strobel, M. E. Summers, H. A. Weave, G. E. Weigle, M. L. Wong, E. F. Young, L. A. Young, X. Zhang, (2018), Pluto's haze as a surface material, Icarus, 314, 232-245

An upper limit on Pluto's ionosphere from radio occultation measurements with New Horizons

Icarus, 2018
D. P. Hinson, I. R. Linscott, D. F. Strobel, G. L. Tyler, M. K. Bird, M. Paetzold, M. E. Summers, S. A. Stern, K. Ennico, G. R. Gladstone, C. B. Olkin, H. A. Weaver, W. W. Woods, L. A. Young, New Horizons Sci Team, (2018), An upper limit on Pluto's ionosphere from radio occultation measurements with New Horizons, Icarus, 307, 17-24

A search for temporal changes on Pluto and Charon

Icarus, 2018
J. D. Hofgartner, B. J. Buratti, S. L. Devins, R. A. Beyer, P. Schenk, S. A. Stern, H. A. Weaver, C. B. Olkin, A. Cheng, K. Ennico, T. R. Lauer, W. B. McKinnon, J. Spencer, L. A. Young, New Horizons Sci Team, (2018), A search for temporal changes on Pluto and Charon, Icarus, 302, 273-284

The New Horizons and Hubble Space Telescope search for rings, dust, and debris in the Pluto-Charon system

Icarus, 2018
Tod R. Lauer, Henry B. Throop, Mark R. Showalter, Harold A. Weaver, S. Alan Stern, John R. Spencer, Marc W. Buie, Douglas P. Hamilton, Simon B. Porter, Anne J. Verbiscer, Leslie A. Young, Cathy B. Olkin, Kimberly Ennico, New Horizons Sci Team, (2018), The New Horizons and Hubble Space Telescope search for rings, dust, and debris in the Pluto-Charon system, Icarus, 301, 155-172

Evolution of H2O production in comet C/2012 S1 (ISON) as inferred from forbidden oxygen and OH emission

Icarus, 2018
Adam J. McKay, Anita L. Cochran, Michael A. DiSanti, Neil Dello Russo, Harold Weaver, Ronald J. Vervack, Walter M. Harris, Hideyo Kawakita, (2018), Evolution of H2O production in comet C/2012 S1 (ISON) as inferred from forbidden oxygen and OH emission, Icarus, 309, 1-12

Non-gravitational acceleration in the trajectory of 1I/2017 U1 ('Oumuamua)

Nature, 2018
Marco Micheli, Davide Farnocchia, Karen J. Meech, Marc W. Buie, Olivier R. Hainaut, Dina Prialnik, Norbert Schorghofer, Harold A. Weaver, Paul W. Chodas, Jan T. Kleyna, Robert Weryk, Richard J. Wainscoat, Harald Ebeling, Jacqueline V. Keane, Kenneth C. Chambers, Detlef Koschny, Anastassios E. Petropoulos, (2018), Non-gravitational acceleration in the trajectory of 1I/2017 U1 ('Oumuamua), Nature, 559, 223-+

Bladed Terrain on Pluto: Possible origins and evolution

Icarus, 2018
Jeffrey M. Moore, Alan D. Howard, Orkan M. Umurhan, Oliver L. White, Paul M. Schenk, Ross A. Beyer, William B. McKinnon, John R. Spencer, Kelsi N. Singer, William M. Grundy, Alissa M. Earle, Bernard Schmitt, Silvia Protopapa, Francis Nimmo, Dale P. Cruikshank, David P. Hinson, Leslie A. Young, S. Alan Stern, Harold A. Weaver, Cathy B. Olkin, Kimberly Ennico, Geoffrey Collins, Tanguy Bertrand, Francois Forget, Francesca Scipioni, New Horizons Sci Team, (2018), Bladed Terrain on Pluto: Possible origins and evolution, Icarus, 300, 129-144

Great Expectations: Plans and Predictions for New Horizons Encounter With Kuiper Belt Object 2014 MU69 ("Ultima Thule")

Geophysical Research Letters, 2018
Jeffrey M. Moore, William B. McKinnon, Dale P. Cruikshank, G. Randall Gladstone, John R. Spencer, S. Alan Stern, Harold A. Weaver, Kelsi N. Singer, Mark R. Showalter, William M. Grundy, Ross A. Beyer, Oliver L. White, Richard P. Binzel, Marc W. Buie, Bonnie J. Buratti, Andrew F. Cheng, Carly Howett, Cathy B. Olkin, Alex H. Parker, Simon B. Porter, Paul M. Schenk, Henry B. Throop, Anne J. Verbiscer, Leslie A. Young, Susan D. Benecchi, Veronica J. Bray, Carrie L. Chavez, Rajani D. Dhingra, Alan D. Howard, Tod R. Lauer, C. M. Lisse, Stuart J. Robbins, Kirby D. Runyon, Orkan M. Umurhan, (2018), Great Expectations: Plans and Predictions for New Horizons Encounter With Kuiper Belt Object 2014 MU69 ("Ultima Thule"), Geophysical Research Letters, 45, 8111-8120

Ultraviolet Observations of Coronal Mass Ejection Impact on Comet 67P/Churyumov-Gerasimenko by Rosetta Alice

Astronomical Journal, 2018
John W. Noonan, S. Alan Stern, Paul D. Feldman, Thomas Broiles, Cyril Simon Wedlund, Niklas J. T. Edberg, Eric Schindhelm, Joel Wm Parker, Brian A. Keeney, Ronald J. Vervack, Andrew J. Steffl, Matthew M. Knight, Harold A. Weaver, Lori M. Feaga, Michael A'Hearn, Jean-Loup Bertaux, (2018), Ultraviolet Observations of Coronal Mass Ejection Impact on Comet 67P/Churyumov-Gerasimenko by Rosetta Alice, Astronomical Journal, 156

Ices on Charon: Distribution of H2O and NH3 from New Horizons LEISA observations

Icarus, 2018
C. Morea Dalle Orea, S. Protopapa, J. C. Cook, W. M. Grundy, D. P. Cruikshank, A. J. Verbiscer, K. Ennico, C. B. Olkin, S. A. Stern, H. A. Weaver, L. A. Young, New Horizons Sci Team, (2018), Ices on Charon: Distribution of H2O and NH3 from New Horizons LEISA observations, Icarus, 300, 21-32

High-precision Orbit Fitting and Uncertainty Analysis of (486958) 2014 MU69

Astronomical Journal, 2018
Simon B. Porter, Marc W. Buie, Alex H. Parker, John R. Spencer, Susan Benecchi, Paolo Tanga, Anne Verbiscer, J. J. Kavelaars, Stephen D. J. Gwyn, Eliot F. Young, H. A. Weaver, Catherine B. Olkin, Joel W. Parker, S. Alan Stern, (2018), High-precision Orbit Fitting and Uncertainty Analysis of (486958) 2014 MU69, Astronomical Journal, 156

Investigation of Charon's Craters With Abrupt Terminus Ejecta, Comparisons With Other Icy Bodies, and Formation Implications

Journal of Geophysical Research-Planets, 2018
Stuart J. Robbins, Kirby Runyon, Kelsi N. Singer, Veronica J. Bray, Ross A. Beyer, Paul Schenk, William B. McKinnon, William M. Grundy, Francis Nimmo, Jeffrey M. Moore, John R. Spencer, Oliver L. White, Richard P. Binzel, Marc W. Buie, Bonnie J. Buratti, Andrew F. Cheng, Ivan R. Linscott, Harold J. Reitsema, Dennis C. Reuter, Mark R. Showalter, G. Len Tyler, Leslie A. Young, Catherine B. Olkin, Kimberly S. Ennico, Harold A. Weaver, S. Alan Stern, (2018), Investigation of Charon's Craters With Abrupt Terminus Ejecta, Comparisons With Other Icy Bodies, and Formation Implications, Journal of Geophysical Research-Planets, 123, 20-36

Basins, fractures and volcanoes: Global cartography and topography of Pluto from New Horizons

Icarus, 2018
Paul Michael Schenk, Ross A. Beyer, William B. McKinnon, Jeffrey M. Moore, John R. Spencer, Oliver L. White, Kelsi Singer, Francis Nimmo, Carver Thomason, Tod R. Lauer, Stuart Robbins, Orkan M. Umurhan, William M. Grundy, S. Alan Stern, Harold A. Weaver, Leslie A. Young, K. Ennico Smith, Cathy Olkin, New Horizons Geology Geophys, (2018), Basins, fractures and volcanoes: Global cartography and topography of Pluto from New Horizons, Icarus, 314, 400-433

Breaking up is hard to do: Global cartography and topography of Pluto's mid-sized icy Moon Charon from New Horizons

Icarus, 2018
Paul Michael Schenk, Ross A. Beyer, William B. McKinnon, Jeffrey M. Moore, John R. Spencer, Oliver L. White, Kelsi Singer, Orkan M. Umurhan, Francis Nimmo, Tod R. Lauer, William M. Grundy, Stuart Robbins, S. Alan Stern, Harold A. Weaver, Leslie A. Young, K. Ennico Smith, Cathy Olkin, New Horizons Geology, New Horizons Geology Geophys, (2018), Breaking up is hard to do: Global cartography and topography of Pluto's mid-sized icy Moon Charon from New Horizons, Icarus, 315, 124-145

The New Horizons Kuiper Belt Extended Mission

Space Science Reviews, 2018
S. A. Stern, H. A. Weaver, J. R. Spencer, H. A. Elliott, New Horizons Team, (2018), The New Horizons Kuiper Belt Extended Mission, Space Science Reviews, 214

Dunes on Pluto

Science, 2018
Matt W. Telfer, Eric J. R. Parteli, Jani Radebaugh, Ross A. Beyer, Tanguy Bertrand, Francois Forget, Francis Nimmo, Will M. Grundy, Jeffrey M. Moore, S. Alan Stern, John Spencer, Tod R. Lauer, Alissa M. Earle, Richard P. Binzel, Hal A. Weaver, Cathy B. Olkin, Leslie A. Young, Kimberly Ennico, Kirby Runyon, New Horizons Geology Geophysics Im, (2018), Dunes on Pluto, Science, 360, 992-997

Spitzer Observations of Interstellar Object 1I/'Oumuamua

Astronomical Journal, 2018
David E. Trilling, Michael Mommert, Joseph L. Hora, Davide Farnocchia, Paul Chodas, Jon Giorgini, Howard A. Smith, Sean Carey, Carey M. Lisse, Michael Werner, Andrew McNeill, Steven R. Chesley, Joshua P. Emery, Giovanni Fazio, Yanga R. Fernandez, Alan Harris, Massimo Marengo, Michael Mueller, Alissa Roegge, Nathan Smith, H. A. Weaver, Karen Meech, Marco Micheli, (2018), Spitzer Observations of Interstellar Object 1I/'Oumuamua, Astronomical Journal, 156

Phase Curves of Nix and Hydra from the New Horizons Imaging Cameras

Astrophysical Journal Letters, 2018
Anne J. Verbiscer, Simon B. Porter, Bonnie J. Buratti, Harold A. Weaver, John R. Spencer, Mark R. Showalter, Marc W. Buie, Jason D. Hofgartner, Michael D. Hicks, Kimberly Ennico-Smith, Catherine B. Olkin, S. Alan Stern, Leslie A. Young, Andrew Cheng, New Horizons Team, (2018), Phase Curves of Nix and Hydra from the New Horizons Imaging Cameras, Astrophysical Journal Letters, 852

Development and testing of a pyro-driven launcher for harpoon-based comet sample acquisition

Acta Astronautica, 2018
Stefan Voelk, Stephan Ulamec, Jens Biele, Matthias Hecht, Peter Lell, Josef Fleischmann, Sebastian Althapp, Markus Grebenstein, Joseph A. Nuth, Donald C. Wegel, Walter F. Smith, Lloyd R. Purves, Douglas S. Adams, Stuart Hill, James C. Leary, Harold A. Weaver, Scott A. Sandford, (2018), Development and testing of a pyro-driven launcher for harpoon-based comet sample acquisition, Acta Astronautica, 152, 218-228

Structure and composition of Pluto's atmosphere from the New Horizons solar ultraviolet occultation

Icarus, 2018
Leslie A. Young, Joshua A. Kammer, Andrew J. Steffl, G. Randall Gladstone, Michael E. Summers, Darrell F. Strobel, David P. Hinson, S. Alan Stern, Harold A. Weaver, Catherine B. Olkin, Kimberly Ennico, David J. McComas, Andrew F. Cheng, Peter Gao, Panayotis Lavvas, Ivan R. Linscott, Michael L. Wong, Yuk L. Yung, Nathanial Cunningham, Michael Davis, Joel Wm. Parker, Eric Schindhelm, Oswald H. W. Siegmund, John Stone, Kurt Retherford, Maarten Versteeg, (2018), Structure and composition of Pluto's atmosphere from the New Horizons solar ultraviolet occultation, Icarus, 300, 174-199

Evidence of sub-surface energy storage in comet 67P from the outburst of 2016 July 03

Monthly Notices of the Royal Astronomical Society, 2017
J. Agarwal, V. Della Corte, P. D. Feldman, B. Geiger, S. Merouane, I. Bertini, D. Bodewits, S. Fornasier, E. Gruen, P. Hasselmann, M. Hilchenbach, S. Hoefner, S. Ivanovski, L. Kolokolova, M. Pajola, A. Rotundi, H. Sierks, A. J. Steffl, N. Thomas, M. F. A'Hearn, C. Barbieri, M. A. Barucci, J. -L. Bertaux, S. Boudreault, G. Cremonese, V. Da Deppo, B. Davidsson, S. Debei, M. De Cecco, J. F. Deller, L. M. Feaga, H. Fischer, M. Fulle, A. Gicquel, O. Groussin, C. Guettler, P. J. Gutierrez, M. Hofmann, K. Hornung, S. F. Hviid, W. -H. Ip, L. Jorda, H. U. Keller, J. Kissel, J. Knollenberg, A. Koch, D. Koschny, J. -R. Kramm, E. Kuhrt, M. Kuppers, P. L. Lamy, Y. Langevin, L. M. Lara, M. Lazzarin, Z. -Y. Lin, J. J. Lopez Moreno, S. C. Lowry, F. Marzari, S. Mottola, G. Naletto, N. Oklay, J. Wm. Parker, R. Rodrigo, J. Ryno, X. Shi, O. Stenzel, C. Tubiana, J. -B. Vincent, H. A. Weaver, B. Zaprudin, (2017), Evidence of sub-surface energy storage in comet 67P from the outburst of 2016 July 03, Monthly Notices of the Royal Astronomical Society, 469, S606-S625

A binary main-belt comet

Nature, 2017
Jessica Agarwal, David Jewitt, Max Mutchler, Harold Weaver, Stephen Larson, (2017), A binary main-belt comet, Nature, 549, 357-+

Charon tectonics

Icarus, 2017
Ross A. Beyer, Francis Nimmo, William B. McKinnon, Jeffrey M. Moore, Richard P. Binzel, Jack W. Conrad, Andy Cheng, K. Ennico, Tod R. Lauer, C. B. Olkin, Stuart Robbins, Paul Schenk, Kelsi Singer, John R. Spencer, S. Alan Stern, H. A. Weaver, L. A. Young, Amanda M. Zangari, (2017), Charon tectonics, Icarus, 287, 161-174

Climate zones on Pluto and Charon

Icarus, 2017
Richard P. Binzel, Alissa M. Earle, Marc W. Buie, Leslie A. Young, S. Alan Stern, Cathy B. Olkin, Kimberly Ennico, Jeffrey M. Moore, Will Grundy, Harold A. Weaver, Carey M. Lisse, Tod R. Lauer, New Horizons Geology & Geophysics, (2017), Climate zones on Pluto and Charon, Icarus, 287, 30-36

Global albedos of Pluto and Charon from LORRI New Horizons observations

Icarus, 2017
B. J. Buratti, J. D. Hofgartner, M. D. Hicks, H. A. Weaver, S. A. Stern, T. Momary, J. A. Mosher, R. A. Beyer, A. J. Verbiscer, A. M. Zangari, L. A. Young, C. M. Lisse, K. Singer, A. Cheng, W. Grundy, K. Ennico, C. B. Olkin, (2017), Global albedos of Pluto and Charon from LORRI New Horizons observations, Icarus, 287, 207-217

Rosetta Alice/VIRTIS observations of the water vapour UV electroglow emissions around comet 67P/Churyumov-Gerasimenko

Monthly Notices of the Royal Astronomical Society, 2017
J. -Y. Chaufray, D. Bockelee-Morvan, J. -L. Bertaux, S. Erard, P. D. Feldman, F. Capaccioni, E. Schindhelm, C. Leyrat, J. Parker, G. Filacchione, M. F. A'Hearn, L. M. Feaga, J. Noonan, B. Keeney, A. J. Steffl, S. A. Stern, H. A. Weaver, T. Broiles, J. Burch, G. Clark, M. Samara, (2017), Rosetta Alice/VIRTIS observations of the water vapour UV electroglow emissions around comet 67P/Churyumov-Gerasimenko, Monthly Notices of the Royal Astronomical Society, 469, S416-S426

Haze in Pluto's atmosphere

Icarus, 2017
A. F. Cheng, M. E. Summers, G. R. Gladstone, D. F. Strobel, L. A. Young, P. Lavvas, J. A. Kammer, C. M. Lisse, A. H. Parker, E. F. Young, S. A. Stern, H. A. Weaver, C. B. Olkin, K. Ennico, (2017), Haze in Pluto's atmosphere, Icarus, 290, 112-133

Hypervolatiles in a Jupiter-family Comet: Observations of 45P/Honda-Mrkos-Pajdusakova Using iSHELL at the NASA-IRTF

Astronomical Journal, 2017
Michael A. DiSanti, Boncho P. Bonev, Neil Dello Russo, Ronald J. Vervack, Erika L. Gibb, Nathan X. Roth, Adam J. McKay, Hideyo Kawakita, Lori M. Feaga, Harold A. Weaver, (2017), Hypervolatiles in a Jupiter-family Comet: Observations of 45P/Honda-Mrkos-Pajdusakova Using iSHELL at the NASA-IRTF, Astronomical Journal, 154

Long-term surface temperature modeling of Pluto

Icarus, 2017
Alissa M. Earle, Richard P. Binzel, Leslie A. Young, S. A. Stern, K. Ennico, W. Grundy, C. B. Olkin, H. A. Weaver, New Horizons Geology, (2017), Long-term surface temperature modeling of Pluto, Icarus, 287, 37-46

Constraints on the microphysics of Pluto's photochemical haze from New Horizons observations

Icarus, 2017
Peter Gao, Siteng Fan, Michael L. Wong, Mao-Chang Liang, Run-Lie Shia, Joshua A. Kammer, Yuk L. Yung, Michael E. Summers, G. Randall Gladstone, Leslie A. Young, Catherine B. Olkin, Kimberly Ennico, Harold A. Weaver, S. Alan Stern, New Horizons Sci Team, (2017), Constraints on the microphysics of Pluto's photochemical haze from New Horizons observations, Icarus, 287, 116-123

Chemistry and processes in the Pluto system

Abstracts of Papers of the American Chemical Society, 2017
Will Grundy, Dale Cruikshank, C. B. Olkin, S. Alan Stern, Kimberly Ennico-Smith, Leslie Young, Harold Weaver, (2017), Chemistry and processes in the Pluto system, Abstracts of Papers of the American Chemical Society, 253

Radio occultation measurements of Pluto's neutral atmosphere with New Horizons

Icarus, 2017
D. P. Hinson, I. R. Linscott, L. A. Young, G. L. Tyler, S. A. Stern, R. A. Beyer, M. K. Bird, K. Ennico, G. R. Gladstone, C. B. Olkin, M. Paetzold, P. M. Schenk, D. F. Strobel, M. E. Summers, H. A. Weaver, W. W. Woods, New Horizons ATM Theme Team, New Horizons Science Team, (2017), Radio occultation measurements of Pluto's neutral atmosphere with New Horizons, Icarus, 290, 96-111

Present and past glaciation on Pluto

Icarus, 2017
Alan D. Howard, Jeffrey M. Moore, Orkan M. Umurhan, Oliver L. White, Robert S. Anderson, William B. McKinnon, John R. Spencer, Paul M. Schenk, Ross A. Beyer, S. Alan Stern, Kimberly Ennico, Cathy B. Olkin, Harold A. Weaver, Leslie A. Young, New Horizons Sci Team, (2017), Present and past glaciation on Pluto, Icarus, 287, 287-300

Pluto: Pits and mantles on uplands north and east of Sputnik Planitia

Icarus, 2017
Alan D. Howard, Jeffrey M. Moore, Oliver L. White, Orkan M. Umurhan, Paul M. Schenk, William M. Grundy, Bernard Schmitt, Sylvain Philippe, William B. McKinnon, John R. Spencer, Ross A. Beyer, S. Alan Stern, Kimberly Ennico, Cathy B. Olkin, Harold A. Weaver, Leslie A. Young, New Horizons Sci Team, (2017), Pluto: Pits and mantles on uplands north and east of Sputnik Planitia, Icarus, 293, 218-230

Charon's light curves, as observed by New Horizons' Ralph color camera (MVIC) on approach to the Pluto system

Icarus, 2017
C. J. A. Howett, K. Ennico, C. B. Olkin, M. W. Buie, A. J. Verbiscer, A. M. Zangari, A. H. Parker, D. C. Reuter, W. M. Grundy, H. A. Weaver, L. A. Young, S. A. Stern, (2017), Charon's light curves, as observed by New Horizons' Ralph color camera (MVIC) on approach to the Pluto system, Icarus, 287, 152-160

Inflight radiometric calibration of New Horizons' Multispectral Visible Imaging Camera (MVIC)

Icarus, 2017
C. J. A. Howett, A. H. Parker, C. B. Olkin, D. C. Reuter, K. Ennico, W. M. Grundy, A. L. Graps, K. P. Harrison, H. B. Throop, M. W. Buie, J. R. Lovering, S. B. Porter, H. A. Weaver, L. A. Young, S. A. Stern, R. A. Beyer, R. P. Binzel, B. J. Buratti, A. F. Cheng, J. C. Cook, D. P. Cruikshank, C. M. Dalle Ore, A. M. Earle, D. E. Jennings, I. R. Linscott, A. W. Lunsford, J. W. M. Parker, S. Phillippe, S. Protopapa, E. Quirico, P. M. Schenk, B. Schmitt, K. N. Singer, J. R. Spencer, J. A. Stansberry, C. C. C. Tsang, G. E. Weigle, A. J. Verbiscer, (2017), Inflight radiometric calibration of New Horizons' Multispectral Visible Imaging Camera (MVIC), Icarus, 287, 140-151

Anatomy of an Asteroid Breakup: The Case of P/2013 R3

Astronomical Journal, 2017
David Jewitt, Jessica Agarwal, Jing Li, Harold Weaver, Max Mutchler, Stephen Larson, (2017), Anatomy of an Asteroid Breakup: The Case of P/2013 R3, Astronomical Journal, 153

A Comet Active Beyond the Crystallization Zone

Astrophysical Journal Letters, 2017
David Jewitt, Man-To Hui, Max Mutchler, Harold Weaver, Jing Li, Jessica Agarwal, (2017), A Comet Active Beyond the Crystallization Zone, Astrophysical Journal Letters, 847

New Horizons Upper Limits on O-2 in Pluto's Present Day Atmosphere

Astronomical Journal, 2017
J. A. Kammer, S. A. Stern, L. A. Young, A. J. Steff, G. R. Gladstone, C. B. Olkin, H. A. Weaver, K. Ennico, New Horizons Atmospheres Alice UV, (2017), New Horizons Upper Limits on O-2 in Pluto's Present Day Atmosphere, Astronomical Journal, 154

H2O and O-2 absorption in the coma of comet 67P/Churyumov-Gerasimenko measured by the Alice far-ultraviolet spectrograph on Rosetta

Monthly Notices of the Royal Astronomical Society, 2017
Brian A. Keeney, S. Alan Stern, Michael F. A'Hearn, Jean-Loup Bertaux, Lori M. Feaga, Paul D. Feldman, Richard A. Medina, Joel Wm. Parker, Jon P. Pineau, Eric Schindhelm, Andrew J. Steffl, M. Versteeg, Harold A. Weaver, (2017), H2O and O-2 absorption in the coma of comet 67P/Churyumov-Gerasimenko measured by the Alice far-ultraviolet spectrograph on Rosetta, Monthly Notices of the Royal Astronomical Society, 469, S158-S177

Detection of CO and HCN in Pluto's atmosphere with ALMA

Icarus, 2017
E. Lellouch, M. Gurwell, B. Butler, T. Fouchet, P. Lavvas, D. F. Strobel, B. Sicardy, A. Moullet, R. Moreno, D. Bockelee-Morvan, N. Biver, L. Young, D. Lis, J. Stansberry, A. Stern, H. Weaver, E. Young, X. Zhu, J. Boissier, (2017), Detection of CO and HCN in Pluto's atmosphere with ALMA, Icarus, 286, 289-307

The puzzling detection of x-rays from Pluto by Chandra

Icarus, 2017
C. M. Lisse, R. L. McNutt, S. J. Wolk, F. Bagenal, S. A. Stern, G. R. Gladstone, T. E. Cravens, M. E. Hill, P. Kollmann, H. A. Weaver, D. F. Strobel, H. A. Elliott, D. J. McComas, R. P. Binzel, B. T. Snios, A. Bhardwaj, A. Chutjian, L. A. Young, C. B. Olkin, K. A. Ennico, (2017), The puzzling detection of x-rays from Pluto by Chandra, Icarus, 287, 103-109

Interstellar Pickup Ion Observations to 38 au

Astrophysical Journal Supplement Series, 2017
D. J. McComas, E. J. Zirnstein, M. Bzowski, H. A. Elliott, B. Randol, N. A. Schwadron, J. M. Sokol, J. R. Szalay, C. Olkin, J. Spencer, A. Stern, H. Weaver, (2017), Interstellar Pickup Ion Observations to 38 au, Astrophysical Journal Supplement Series, 233

Origin of the Pluto-Charon system: Constraints from the New Horizons flyby

Icarus, 2017
William B. McKinnon, S. A. Stern, H. A. Weaver, F. Nimmo, C. J. Bierson, W. M. Grundy, J. C. Cook, D. P. Cruikshank, A. H. Parker, J. M. Moore, J. R. Spencer, L. A. Young, C. B. Olkin, K. Ennico Smith, Geophysics New Horizons Geology, (2017), Origin of the Pluto-Charon system: Constraints from the New Horizons flyby, Icarus, 287, 2-11

Sublimation as a landform-shaping process on Pluto

Icarus, 2017
Jeffrey M. Moore, Alan D. Howard, Orkan M. Umurhan, Oliver L. White, Paul M. Schenk, Ross A. Beyer, William B. McKinnon, John R. Spencer, Will M. Grundy, Tod R. Lauer, Francis Nimmo, Leslie A. Young, S. Alan Stern, Harold A. Weaver, Cathy B. Olkin, Kimberly Ennico, New Horizons Sci Team, (2017), Sublimation as a landform-shaping process on Pluto, Icarus, 287, 320-333

Mean radius and shape of Pluto and Charon from New Horizons images

Icarus, 2017
Francis Nimmo, Orkan Umurhan, Carey M. Lisse, Carver J. Bierson, Tod R. Lauer, Marc W. Buie, Henry B. Throop, Josh A. Kammer, James H. Roberts, William B. McKinnon, Amanda M. Zangari, Jeffrey M. Moore, S. Alan Stern, Leslie A. Young, Harold A. Weaver, Cathy B. Olkin, Kim Ennico, (2017), Mean radius and shape of Pluto and Charon from New Horizons images, Icarus, 287, 12-29

The Global Color of Pluto from New Horizons

Astronomical Journal, 2017
Catherine B. Olkin, John R. Spencer, William M. Grundy, Alex H. Parker, Ross A. Beyer, Paul M. Schenk, Carly J. A. Howett, S. Alan Stern, Dennis C. Reuter, Harold A. Weaver, Leslie A. Young, Kimberly Ennico, Richard P. Binzel, Marc W. Buie, Jason C. Cook, Dale P. Cruikshank, Cristina M. Dalle Ore, Alissa M. Earle, Donald E. Jennings, Kelsi N. Singer, Ivan E. Linscott, Allen W. Lunsford, Silvia Protopapa, Bernard Schmitt, Eddie Weigle, New Horizons Sci Team, (2017), The Global Color of Pluto from New Horizons, Astronomical Journal, 154

Pluto's global surface composition through pixel-by-pixel Hapke modeling of New Horizons Ralph/LEISA data

Icarus, 2017
S. Protopapa, W. M. Grundy, D. C. Reuter, D. P. Hamilton, C. M. Dalle Ore, J. C. Cook, D. P. Cruikshank, B. Schmitt, S. Philippe, E. Quirico, R. P. Binzel, A. M. Earle, K. Ennico, C. J. A. Howett, A. W. Lunsford, C. B. Olkin, A. Parker, K. N. Singer, A. Stern, A. J. Verbiscer, H. A. Weaver, L. A. Young, New Horizons Sci Team, (2017), Pluto's global surface composition through pixel-by-pixel Hapke modeling of New Horizons Ralph/LEISA data, Icarus, 287, 218-228

Craters of the Pluto-Charon system

Icarus, 2017
Stuart J. Robbins, Kelsi N. Singer, Veronica J. Bray, Paul Schenk, Tod R. Lauer, Harold A. Weaver, Kirby Runyon, William B. McKinnon, Ross A. Beyer, Simon Porter, Oliver L. White, Jason D. Hofgartner, Amanda M. Zangari, Jeffrey M. Moore, Leslie A. Young, John R. Spencer, Richard P. Binzel, Marc W. Buie, Bonnie J. Buratti, Andrew F. Cheng, William M. Grundy, Ivan R. Linscott, Harold J. Reitsema, Dennis C. Reuter, Mark R. Showalter, G. Len Tyler, Catherine B. Olkin, Kimberly S. Ennico, S. Alan Stern, MVIC Inst New Horizons LORRI, (2017), Craters of the Pluto-Charon system, Icarus, 287, 187-206

CORSAIR (COmet Rendezvous, Sample Acquisition, Investigation, and Return): A New Frontiers Mission Concept to Collect Samples from a Comet and Return them to Earth for Study

Meteoritics & Planetary Science, 2017
S. A. Sandford, N. L. Chabot, N. Dello Russo, J. C. Leary, E. L. Reynolds, H. A. Weaver, D. H. Wooden, CORSAIR Team, (2017), CORSAIR (COmet Rendezvous, Sample Acquisition, Investigation, and Return): A New Frontiers Mission Concept to Collect Samples from a Comet and Return them to Earth for Study, Meteoritics & Planetary Science, 52, A304

Physical state and distribution of materials at the surface of Pluto from New Horizons LEISA imaging spectrometer

Icarus, 2017
B. Schmitt, S. Philippe, W. M. Grundy, D. C. Reuter, R. Cote, E. Quirico, S. Protopapa, L. A. Young, R. P. Binzel, J. C. Cook, D. P. Cruikshank, C. M. Dalle Ore, A. M. Earle, K. Ennico, C. J. A. Howett, D. E. Jennings, I. R. Linscott, A. W. Lunsford, C. B. Olkin, A. H. Parker, J. Wm. Parker, K. N. Singer, J. R. Spencer, J. A. Stansberry, S. A. Stern, C. C. C. Tsang, A. J. Verbiscer, H. A. Weaver, New Horizons Sci Team, (2017), Physical state and distribution of materials at the surface of Pluto from New Horizons LEISA imaging spectrometer, Icarus, 287, 229-260

Past epochs of significantly higher pressure atmospheres on Pluto

Icarus, 2017
S. A. Stern, R. P. Binzel, A. M. Earle, K. N. Singer, L. A. Young, H. A. Weaver, C. B. Olkin, K. Ennico, J. M. Moore, W. B. McKinnon, J. R. Spencer, New Horizons Geology & Geophysics, (2017), Past epochs of significantly higher pressure atmospheres on Pluto, Icarus, 287, 47-53

Evidence for Possible Clouds in Pluto's Present-day Atmosphere

Astronomical Journal, 2017
S. A. Stern, J. A. Kammer, E. L. Barth, K. N. Singer, T. R. Lauer, J. D. Hofgartner, H. A. Weaver, K. Ennico, C. B. Olkin, L. A. Young, New Horizons LORRI Instrument Team, New Horizons Ralph Instrument Team, New Horizons Atmospheres Investiga, (2017), Evidence for Possible Clouds in Pluto's Present-day Atmosphere, Astronomical Journal, 154

New Horizons constraints on Charon's present day atmosphere

Icarus, 2017
S. A. Stern, J. A. Kammer, G. R. Gladstone, Aj. Steffl, A. F. Cheng, L. A. Young, H. A. Weaver, C. B. Olkin, K. Ennico, J. Wm. Parker, A. H. Parker, T. R. Lauer, A. Zangari, M. Summers, New Horizons Atmospheres Team, (2017), New Horizons constraints on Charon's present day atmosphere, Icarus, 287, 124-130

Modeling glacial flow on and onto Pluto's Sputnik Planitia

Icarus, 2017
O. M. Umurhan, A. D. Howard, J. M. Moore, A. M. Earle, O. L. White, P. M. Schenk, R. P. Binzel, S. A. Stern, R. A. Beyer, F. Nimmo, W. B. McKinnon, K. Ennico, C. B. Olkin, H. A. Weaver, L. A. Young, (2017), Modeling glacial flow on and onto Pluto's Sputnik Planitia, Icarus, 287, 301-319

Geological mapping of Sputnik Planitia on Pluto

Icarus, 2017
Oliver L. White, Jeffrey M. Moore, William B. McKinnon, John R. Spencer, Alan D. Howard, Paul M. Schenk, Ross A. Beyer, Francis Nimmo, Kelsi N. Singer, Orkan M. Umurhan, S. Alan Stern, Kimberly Ennico, Cathy B. Olkin, Harold A. Weaver, Leslie A. Young, Andrew F. Cheng, Tanguy Bertrand, Richard P. Binzel, Alissa M. Earle, Will M. Grundy, Tod R. Lauer, Silvia Protopapa, Stuart J. Robbins, Bernard Schmitt, New Horizons Sci Team, (2017), Geological mapping of Sputnik Planitia on Pluto, Icarus, 287, 261-286

The photochemistry of Pluto's atmosphere as illuminated by New Horizons

Icarus, 2017
Michael L. Wong, Siteng Fan, Peter Gao, Mao-Chang Liang, Run-Lie Shia, Yuk L. Yung, Joshua A. Kammer, Michael E. Summers, G. Randall Gladstone, Leslie A. Young, Catherine B. Olkin, Kimberly Ennico, Harold A. Weaver, S. Alan Stern, New Horizons Sci Team, (2017), The photochemistry of Pluto's atmosphere as illuminated by New Horizons, Icarus, 287, 110-115

HUBBLE AND KECK TELESCOPE OBSERVATIONS OF ACTIVE ASTEROID 288P/300163 (2006 VW139)

Astronomical Journal, 2016
Jessica Agarwal, David Jewitt, Harold Weaver, Max Mutchler, Stephen Larson, (2016), HUBBLE AND KECK TELESCOPE OBSERVATIONS OF ACTIVE ASTEROID 288P/300163 (2006 VW139), Astronomical Journal, 151

The compositional evolution of C/2012 S1 (ISON) from ground-based high-resolution infrared spectroscopy as part of a worldwide observing campaign

Icarus, 2016
N. Dello Russo, R. J. Vervack, H. Kawakita, A. Cochran, A. J. McKay, W. M. Harris, H. A. Weaver, C. M. Lisse, M. A. DiSanti, H. Kobayashi, N. Biver, D. Bockelee-Morvan, J. Crovisier, C. Opitom, E. Jehin, (2016), The compositional evolution of C/2012 S1 (ISON) from ground-based high-resolution infrared spectroscopy as part of a worldwide observing campaign, Icarus, 266, 152-172

Pluto's interaction with its space environment: Solar wind, energetic particles, and dust

Science, 2016
F. Bagenal, M. Horanyi, D. J. McComas, R. L. McNutt, H. A. Elliott, M. E. Hill, L. E. Brown, P. A. Delamere, P. Kollmann, S. M. Krimigis, M. Kusterer, C. M. Lisse, D. G. Mitchell, M. Piquette, A. R. Poppe, D. F. Strobel, J. R. Szalay, P. Valek, J. Vandegriff, S. Weidner, E. J. Zirnstein, S. A. Stern, K. Ennico, C. B. Olkin, H. A. Weaver, L. A. Young, New Horizons Sci Team, (2016), Pluto's interaction with its space environment: Solar wind, energetic particles, and dust, Science, 351

Tholins as coloring agents on solar system bodies: New results from Pluto

Abstracts of Papers of the American Chemical Society, 2016
Dale Cruikshank, Christopher Materese, Scott Sandford, Hiroshi Imanaka, Michel Nuevo, S. Alan Stern, Harold Weaver, Catherine Olkin, Leslie Young, Kimberly Ennico-Smith, New Horizons COMP Team, (2016), Tholins as coloring agents on solar system bodies: New results from Pluto, Abstracts of Papers of the American Chemical Society, 252

Emerging trends and a comet taxonomy based on the volatile chemistry measured in thirty comets with high-resolution infrared spectroscopy between 1997 and 2013

Icarus, 2016
Neil Dello Russo, Hideyo Kawakita, Ronald J. Vervack, Harold A. Weaver, (2016), Emerging trends and a comet taxonomy based on the volatile chemistry measured in thirty comets with high-resolution infrared spectroscopy between 1997 and 2013, Icarus, 278, 301-332

THE NATURE AND FREQUENCY OF THE GAS OUTBURSTS IN COMET 67P/CHURYUMOV-GERASIMENKO OBSERVED BY THE ALICE FAR-ULTRAVIOLET SPECTROGRAPH ON ROSETTA

Astrophysical Journal Letters, 2016
Paul D. Feldman, Michael F. A'Hearn, Lori M. Feaga, Jean-Loup Bertaux, John Noonan, Joel Wm. Parker, Eric Schindhelm, Andrew J. Steffl, S. Alan Stern, Harold A. Weaver, (2016), THE NATURE AND FREQUENCY OF THE GAS OUTBURSTS IN COMET 67P/CHURYUMOV-GERASIMENKO OBSERVED BY THE ALICE FAR-ULTRAVIOLET SPECTROGRAPH ON ROSETTA, Astrophysical Journal Letters, 825

Destination pluto: New horizons performance during the approach phase

Acta Astronautica, 2016
Sarah H. Flanigan, Gabe D. Rogers, Yanping Guo, Madeline N. Kirk, Harold A. Weaver, William M. Owen, Coralie D. Jackman, Jeremy Bauman, Frederic Pelletier, Derek Nelson, Dale Stanbridge, Phillip J. Dumont, Bobby Williams, S. Alan Stern, Cathy B. Olkin, Leslie A. Young, Kimberly Ennico, (2016), Destination pluto: New horizons performance during the approach phase, Acta Astronautica, 128, 33-43

The atmosphere of Pluto as observed by New Horizons

Science, 2016
G. Randall Gladstone, S. Alan Stern, Kimberly Ennico, Catherine B. Olkin, Harold A. Weaver, Leslie A. Young, Michael E. Summers, Darrell F. Strobel, David P. Hinson, Joshua A. Kammer, Alex H. Parker, Andrew J. Steffl, Ivan R. Linscott, Joel Wm. Parker, Andrew F. Cheng, David C. Slater, Maarten H. Versteeg, Thomas K. Greathouse, Kurt D. Retherford, Henry Throop, Nathaniel J. Cunningham, William W. Woods, Kelsi N. Singer, Constantine C. C. Tsang, Eric Schindhelm, Carey M. Lisse, Michael L. Wong, Yuk L. Yung, Xun Zhu, Werner Curdt, Panayotis Lavvas, Eliot F. Young, G. Leonard Tyler, New Horizons Sci Team, (2016), The atmosphere of Pluto as observed by New Horizons, Science, 351

The 2016 Feb 19 outburst of comet 67P/CG: an ESA Rosetta multi-instrument study

Monthly Notices of the Royal Astronomical Society, 2016
E. Grun, J. Agarwal, N. Altobelli, K. Altwegg, M. S. Bentley, N. Biver, V. Della Corte, N. Edberg, P. D. Feldman, M. Galand, B. Geiger, C. Goetz, B. Grieger, C. Guettler, P. Henri, M. Hofstadter, M. Horanyi, E. Jehin, H. Krueger, S. Lee, T. Mannel, E. Morales, O. Mousis, M. Mueller, C. Opitom, A. Rotundi, R. Schmied, F. Schmidt, H. Sierks, C. Snodgrass, R. H. Soja, M. Sommer, R. Srama, C. -Y. Tzou, J. -B. Vincent, P. Yanamandra-Fisher, M. F. A'Hearn, A. I. Erikson, C. Barbieri, M. A. Barucci, J. -L. Bertaux, I. Bertini, J. Burch, L. Colangeli, G. Cremonese, V. Da Deppo, B. Davidsson, S. Debei, M. De Cecco, J. Deller, L. M. Feaga, M. Ferrari, S. Fornasier, M. Fulle, A. Gicquel, M. Gillon, S. F. Green, O. Groussin, P. J. Gutierrez, M. Hofmann, S. F. Hviid, W. -H. Ip, S. Ivanovski, L. Jorda, H. U. Keller, M. M. Knight, J. Knollenberg, D. Koschny, J. -R. Kramm, E. Kuehrt, M. Kuppers, P. L. Lamy, L. M. Lara, M. Lazzarin, J. J. Lopez-Moreno, J. Manfroid, E. Mazzotta Epifani, F. Marzari, G. Naletto, N. Oklay, P. Palumbo, J. Wm. Parker, H. Rickman, R. Rodrigo, J. Rodriguez, E. Schindhelm, X. Shi, R. Sordini, A. J. Steffl, S. A. Stern, N. Thomas, C. Tubiana, H. A. Weaver, P. Weissman, V. V. Zakharov, (2016), The 2016 Feb 19 outburst of comet 67P/CG: an ESA Rosetta multi-instrument study, Monthly Notices of the Royal Astronomical Society, 462, S220-S234

Surface compositions across Pluto and Charon

Science, 2016
W. M. Grundy, R. P. Binzel, B. J. Buratti, J. C. Cook, D. P. Cruikshank, C. M. Dalle Ore, A. M. Earle, K. Ennico, C. J. A. Howett, A. W. Lunsford, C. B. Olkin, A. H. Parker, S. Philippe, S. Protopapa, E. Quirico, D. C. Reuter, B. Schmitt, K. N. Singer, A. J. Verbiscer, R. A. Beyer, M. W. Buie, A. F. Cheng, D. E. Jennings, I. R. Linscott, J. Wm. Parker, P. M. Schenk, J. R. Spencer, J. A. Stansberry, S. A. Stern, H. B. Throop, C. C. C. Tsang, H. A. Weaver, G. E. Weigle, L. A. Young, New Horizons Sci Team, (2016), Surface compositions across Pluto and Charon, Science, 351

The formation of Charon's red poles from seasonally cold-trapped volatiles

Nature, 2016
W. M. Grundy, D. P. Cruikshank, G. R. Gladstone, C. J. A. Howett, T. R. Lauer, J. R. Spencer, M. E. Summers, M. W. Buie, A. M. Earle, K. Ennico, J. Wm. Parker, S. B. Porter, K. N. Singer, S. A. Stern, A. J. Verbiscer, R. A. Beyer, R. P. Binzel, B. J. Buratti, J. C. Cook, C. M. Dalle Ore, C. B. Olkin, A. H. Parker, S. Protopapa, E. Quirico, K. D. Retherford, S. J. Robbins, B. Schmitt, J. A. Stansberry, O. M. Umurhan, H. A. Weaver, L. A. Young, A. M. Zangari, V. J. Bray, A. F. Cheng, W. B. McKinnon, R. L. McNutt, J. M. Moore, F. Nimmo, D. C. Reuter, P. M. Schenk, New Horizons Sci Team, (2016), The formation of Charon's red poles from seasonally cold-trapped volatiles, Nature, 539, 65-+

Compositions in the Pluto system as Investigated by New Horizons

Abstracts of Papers of the American Chemical Society, 2016
Will Grundy, Dale Cruikshank, Catherine Olkin, S. Alan Stern, Kimberly Ennico-Smith, Leslie Young, Harold Weaver, Kristin Berry, Richard Binzel, Alissa Earle, Donald Jennings, Ralf Kaiser, (2016), Compositions in the Pluto system as Investigated by New Horizons, Abstracts of Papers of the American Chemical Society, 252

HUBBLE SPACE TELESCOPE OBSERVATIONS OF ACTIVE ASTEROID 324P/La SAGRA

Astronomical Journal, 2016
David Jewitt, Jessica Agarwal, Harold Weaver, Max Mutchler, Jing Li, Stephen Larson, (2016), HUBBLE SPACE TELESCOPE OBSERVATIONS OF ACTIVE ASTEROID 324P/La SAGRA, Astronomical Journal, 152

FRAGMENTATION KINEMATICS IN COMET 332P/IKEYA-MURAKAMI

Astrophysical Journal Letters, 2016
David Jewitt, Max Mutchler, Harold Weaver, Man-To Hui, Jessica Agarwal, Masateru Ishiguro, Jan Kleyna, Jing Li, Karen Meech, Marco Micheli, Richard Wainscoat, Robert Weryk, (2016), FRAGMENTATION KINEMATICS IN COMET 332P/IKEYA-MURAKAMI, Astrophysical Journal Letters, 829

THE PROGRESSIVE FRAGMENTATION OF 332P/IKEYA-MURAKAMI

Astrophysical Journal Letters, 2016
J. T. Kleyna, Q. -Z. Ye, M. -T. Hui, K. J. Meech, R. Wainscoat, M. Micheli, J. V. Keane, H. A. Weaver, R. Weryk, (2016), THE PROGRESSIVE FRAGMENTATION OF 332P/IKEYA-MURAKAMI, Astrophysical Journal Letters, 827

FAR-ULTRAVIOLET OBSERVATIONS OF COMET C/2012 S1 (ISON) FROM FORTIS

Astronomical Journal, 2016
Stephan R. McCandliss, Paul D. Feldman, Harold Weaver, Brian Fleming, Keith Redwine, Mary J. Li, Alexander Kutyrev, S. Harvey Moseley, (2016), FAR-ULTRAVIOLET OBSERVATIONS OF COMET C/2012 S1 (ISON) FROM FORTIS, Astronomical Journal, 152

Pluto's interaction with the solar wind

Journal of Geophysical Research-Space Physics, 2016
D. J. McComas, H. A. Elliott, S. Weidner, P. Valek, E. J. Zirnstein, F. Bagenal, P. A. Delamere, R. W. Ebert, H. O. Funsten, M. Horanyi, R. L. McNutt, C. Moser, N. A. Schwadron, D. F. Strobel, L. A. Young, K. Ennico, C. B. Olkin, S. A. Stern, H. A. Weaver, (2016), Pluto's interaction with the solar wind, Journal of Geophysical Research-Space Physics, 121, 4232-4246

Convection in a volatile nitrogen-ice-rich layer drives Pluto's geological vigour

Nature, 2016
William B. McKinnon, Francis Nimmo, Teresa Wong, Paul M. Schenk, Oliver L. White, J. H. Roberts, J. M. Moore, J. R. Spencer, A. D. Howard, O. M. Umurhan, S. A. Stern, H. A. Weaver, C. B. Olkin, L. A. Young, K. E. Smith, New Horizons Geology Geophys, (2016), Convection in a volatile nitrogen-ice-rich layer drives Pluto's geological vigour, Nature, 534, 82-+

Convection in a volatile nitrogen-ice-rich layer drives Pluto's geological vigour (vol 534, pg 82, 2016)

Nature, 2016
William B. McKinnon, Francis Nimmo, Teresa Wong, Paul M. Schenk, Oliver L. White, J. H. Roberts, J. M. Moore, J. R. Spencer, A. D. Howard, O. M. Umurhan, S. A. Stern, H. A. Weaver, C. B. Olkin, L. A. Young, K. E. Smith, New Horizons Geology, Geophysics & Imaging Theme Team, (2016), Convection in a volatile nitrogen-ice-rich layer drives Pluto's geological vigour (vol 534, pg 82, 2016), Nature, 537, 122

The geology of Pluto and Charon through the eyes of New Horizons

Science, 2016
Jeffrey M. Moore, William B. McKinnon, John R. Spencer, Alan D. Howard, Paul M. Schenk, Ross A. Beyer, Francis Nimmo, Kelsi N. Singer, Orkan M. Umurhan, Oliver L. White, S. Alan Stern, Kimberly Ennico, Cathy B. Olkin, Harold A. Weaver, Leslie A. Young, Richard P. Binzel, Marc W. Buie, Bonnie J. Buratti, Andrew F. Cheng, Dale P. Cruikshank, Will M. Grundy, Ivan R. Linscott, Harold J. Reitsema, Dennis C. Reuter, Mark R. Showalter, Veronica J. Bray, Carrie L. Chavez, Carly J. A. Howett, Tod R. Lauer, Carey M. Lisse, Alex Harrison Parker, S. B. Porter, Stuart J. Robbins, Kirby Runyon, Ted Stryk, Henry B. Throop, Constantine C. C. Tsang, Anne J. Verbiscer, Amanda M. Zangari, Andrew L. Chaikin, Don E. Wilhelms, New Horizons Sci Team, (2016), The geology of Pluto and Charon through the eyes of New Horizons, Science, 351, 1284-1293

Reorientation of Sputnik Planitia implies a subsurface ocean on Pluto

Nature, 2016
F. Nimmo, D. P. Hamilton, W. B. . McKinnon, P. M. Schenk, R. P. Binzel, C. J. Bierson, R. A. Beyer, J. M. Moore, S. A. Stern, H. A. Weaver, C. B. Olkin, L. A. Young, K. E. Smith, New Horizons Geology Geophys, (2016), Reorientation of Sputnik Planitia implies a subsurface ocean on Pluto, Nature, 540, 94-+

THE FIRST HIGH-PHASE OBSERVATIONS OF A KBO: NEW HORIZONS IMAGING OF (15810) 1994 JR(1) FROM THE KUIPER BELT

Astrophysical Journal Letters, 2016
Simon B. Porter, John R. Spencer, Susan Benecchi, Anne J. Verbiscer, Amanda M. Zangari, H. A. Weaver, Tod R. Lauer, Alex H. Parker, Marc W. Buie, Andrew F. Cheng, Leslie A. Young, Cathy B. Olkin, Kimberly Ennico, S. Alan Stern, New Horizons Sci Team, (2016), THE FIRST HIGH-PHASE OBSERVATIONS OF A KBO: NEW HORIZONS IMAGING OF (15810) 1994 JR(1) FROM THE KUIPER BELT, Astrophysical Journal Letters, 828

The small satellites of Pluto as observed by New Horizons

Science, 2016
H. A. Weaver, M. W. Buie, B. J. Buratti, W. M. Grundy, T. R. Lauer, C. B. Olkin, A. H. Parker, S. B. Porter, M. R. Showalter, J. R. Spencer, S. A. Stern, A. J. Verbiscer, W. B. McKinnon, J. M. Moore, S. J. Robbins, P. Schenk, K. N. Singer, O. S. Barnouin, A. F. Cheng, C. M. Ernst, C. M. Lisse, D. E. Lennings, A. W. Lunsford, D. C. Reuter, D. P. Hamilton, D. E. Kaufmann, K. Ennico, L. A. Young, R. A. Beyer, R. P. Binzel, V. J. Bray, A. L. Chaikin, J. C. Cook, D. P. Cruiksh, C. M. Dalle Ore, A. M. Earle, G. R. Gladstone, C. J. A. Howett, I. R. Linscott, F. Nimmo, J. Wm. Parker, S. Philippe, S. Protopapa, H. J. Reitsema, B. Schmitt, T. Stryk, M. E. Summers, C. C. C. Tsang, H. H. B. Throop, O. L. White, A. M. Zangari, (2016), The small satellites of Pluto as observed by New Horizons, Science, 351

Exploration of Pluto and the Kuiper Belt by New Horizons

Abstracts of Papers of the American Chemical Society, 2016
Harold Weaver, (2016), Exploration of Pluto and the Kuiper Belt by New Horizons, Abstracts of Papers of the American Chemical Society, 252

INTERPLANETARY MAGNETIC FIELD SECTOR FROM SOLAR WIND AROUND PLUTO (SWAP) MEASUREMENTS OF HEAVY ION PICKUP NEAR PLUTO

Astrophysical Journal Letters, 2016
E. J. Zirnstein, D. J. McComas, H. A. Elliott, S. Weidner, P. W. Valek, F. Bagenal, S. A. Stern, K. Ennico, C. B. Olkin, H. A. Weaver, L. A. Young, (2016), INTERPLANETARY MAGNETIC FIELD SECTOR FROM SOLAR WIND AROUND PLUTO (SWAP) MEASUREMENTS OF HEAVY ION PICKUP NEAR PLUTO, Astrophysical Journal Letters, 823

New Horizons: Long-range Kuiper Belt targets observed by the Hubble Space Telescope

Icarus, 2015
S. D. Benecchi, K. S. Noll, H. A. Weaver, J. R. Spencer, S. A. Stern, M. W. Buie, A. H. Parker, (2015), New Horizons: Long-range Kuiper Belt targets observed by the Hubble Space Telescope, Icarus, 246, 369-374

The surface compositions of Pluto and Charon

Icarus, 2015
D. P. Cruikshank, W. M. Grundy, F. E. DeMeo, M. W. Buie, R. P. Binzel, D. E. Jennings, C. B. Olkin, J. W. Parker, D. C. Reuter, J. R. Spencer, S. A. Stern, L. A. Young, H. A. Weaver, (2015), The surface compositions of Pluto and Charon, Icarus, 246, 82-92

Far-UV phase dependence and surface characteristics of comet 67P/Churyumov-Gerasimenko as observed with Rosetta Alice

Astronomy & Astrophysics, 2015
L. M. Feaga, S. Protopapa, E. Schindhelm, S. A. Stern, M. F. A'Hearn, J. -L. Bertaux, P. D. Feldman, J. Wm. Parker, A. J. Stetffl, H. A. Weaver, (2015), Far-UV phase dependence and surface characteristics of comet 67P/Churyumov-Gerasimenko as observed with Rosetta Alice, Astronomy & Astrophysics, 583

Measurements of the near-nucleus coma of comet 67P/Churyumov-Gerasimenko with the Alice far-ultraviolet spectrograph on Rosetta

Astronomy & Astrophysics, 2015
Paul D. Feldman, Michael F. A'Hearn, Jean-Loup Bertaux, Lori M. Feaga, Joel Wm. Parker, Eric Schindhelm, Andrew J. Steffl, S. Alan Stern, Harold A. Weaver, Holger Sierks, Jean-Baptiste Vincent, (2015), Measurements of the near-nucleus coma of comet 67P/Churyumov-Gerasimenko with the Alice far-ultraviolet spectrograph on Rosetta, Astronomy & Astrophysics, 583

NEW ACTIVE ASTEROID 313P/GIBBS

Astronomical Journal, 2015
David Jewitt, Jessica Agarwal, Nuno Peixinho, Harold Weaver, Max Mutchler, Man-To Hui, Jing Li, Stephen Larson, (2015), NEW ACTIVE ASTEROID 313P/GIBBS, Astronomical Journal, 149

EPISODIC EJECTION FROM ACTIVE ASTEROID 311P/PANSTARRS

Astrophysical Journal, 2015
David Jewitt, Jessica Agarwal, Harold Weaver, Max Mutchler, Stephen Larson, (2015), EPISODIC EJECTION FROM ACTIVE ASTEROID 311P/PANSTARRS, Astrophysical Journal, 798

NUCLEUS AND MASS LOSS FROM ACTIVE ASTEROID 313P/GIBBS

Astronomical Journal, 2015
David Jewitt, Jing Li, Jessica Agarwal, Harold Weaver, Max Mutchler, Stephen Larson, (2015), NUCLEUS AND MASS LOSS FROM ACTIVE ASTEROID 313P/GIBBS, Astronomical Journal, 150

Geology before Pluto: Pre-encounter considerations

Icarus, 2015
Jeffrey M. Moore, Alan D. Howard, Paul M. Schenk, William B. McKinnon, Robert T. Pappalardo, Ryan C. Ewing, Edward B. Bierhaus, Veronica J. Bray, John R. Spencer, Richard P. Binzel, Bonnie Buratti, William M. Grundy, Catherine B. Olkin, Harold J. Reitsema, Dennis C. Reuter, S. Alan Stern, Harold Weaver, Leslie A. Young, Ross A. Beyer, (2015), Geology before Pluto: Pre-encounter considerations, Icarus, 246, 65-81

The Pluto system: Initial results from its exploration by New Horizons.

Science (New York, N.Y.), 2015
S A Stern, F Bagenal, K Ennico, G R Gladstone, W M Grundy, W B McKinnon, J M Moore, C B Olkin, J R Spencer, H A Weaver, L A Young, T Andert, J Andrews, M Banks, B Bauer, J Bauman, O S Barnouin, P Bedini, K Beisser, R A Beyer, S Bhaskaran, R P Binzel, E Birath, M Bird, D J Bogan, A Bowman, V J Bray, M Brozovic, C Bryan, M R Buckley, M W Buie, B J Buratti, S S Bushman, A Calloway, B Carcich, A F Cheng, S Conard, C A Conrad, J C Cook, D P Cruikshank, O S Custodio, C M Dalle Ore, C Deboy, Z J B Dischner, P Dumont, A M Earle, H A Elliott, J Ercol, C M Ernst, T Finley, S H Flanigan, G Fountain, M J Freeze, T Greathouse, J L Green, Y Guo, M Hahn, D P Hamilton, S A Hamilton, J Hanley, A Harch, H M Hart, C B Hersman, A Hill, M E Hill, D P Hinson, M E Holdridge, M Horanyi, A D Howard, C J A Howett, C Jackman, R A Jacobson, D E Jennings, J A Kammer, H K Kang, D E Kaufmann, P Kollmann, S M Krimigis, D Kusnierkiewicz, T R Lauer, J E Lee, K L Lindstrom, I R Linscott, C M Lisse, A W Lunsford, V A Mallder, N Martin, D J McComas, R L Jr McNutt, D Mehoke, T Mehoke, E D Melin, M Mutchler, D Nelson, F Nimmo, J I Nunez, A Ocampo, W M Owen, M Paetzold, B Page, A H Parker, J W Parker, F Pelletier, J Peterson, N Pinkine, M Piquette, S B Porter, S Protopapa, J Redfern, H J Reitsema, D C Reuter, J H Roberts, S J Robbins, G Rogers, D Rose, K Runyon, K D Retherford, M G Ryschkewitsch, P Schenk, E Schindhelm, B Sepan, M R Showalter, K N Singer, M Soluri, D Stanbridge, A J Steffl, D F Strobel, T Stryk, M E Summers, J R Szalay, M Tapley, A Taylor, H Taylor, H B Throop, C C C Tsang, G L Tyler, O M Umurhan, A J Verbiscer, M H Versteeg, M Vincent, R Webbert, S Weidner, G E 2nd Weigle, O L White, K Whittenburg, B G Williams, K Williams, S Williams, W W Woods, A M Zangari, E Zirnstein, (2015), The Pluto system: Initial results from its exploration by New Horizons., Science (New York, N.Y.), 350, aad1815

The Pluto system: Initial results from its exploration by New Horizons

Science, 2015
S. A. Stern, F. Bagenal, K. Ennico, G. R. Gladstone, W. M. Grundy, W. B. McKinnon, J. M. Moore, C. B. Olkin, J. R. Spencer, H. A. Weaver, L. A. Young, T. Andert, J. Andrews, M. Banks, B. Bauer, J. Bauman, O. S. Barnouin, P. Bedini, K. Beisser, R. A. Beyer, S. Bhaskaran, R. P. Binzel, E. Birath, M. Bird, D. J. Bogan, A. Bowman, V. J. Bray, M. Brozovic, C. Bryan, M. R. Buckley, M. W. Buie, B. J. Buratti, S. S. Bushman, A. Calloway, B. Carcich, A. F. Cheng, S. Conard, C. A. Conrad, J. C. Cook, D. P. Cruikshank, O. S. Custodio, C. M. Dalle Ore, C. Deboy, Z. J. B. Dischner, P. Dumont, A. M. Earle, H. A. Elliott, J. Ercol, C. M. Ernst, T. Finley, S. H. Flanigan, G. Fountain, M. J. Freeze, T. Greathouse, J. L. Green, Y. Guo, M. Hahn, D. P. Hamilton, S. A. Hamilton, J. Hanley, A. Harch, H. M. Hart, C. B. Hersman, A. Hill, M. E. Hill, D. P. Hinson, M. E. Holdridge, M. Horanyi, A. D. Howard, C. J. A. Howett, C. Jackman, R. A. Jacobson, D. E. Jennings, J. A. Kammer, H. K. Kang, D. E. Kaufmann, P. Kollmann, S. M. Krimigis, D. Kusnierkiewicz, T. R. Lauer, J. E. Lee, K. L. Lindstrom, I. R. Linscott, C. M. Lisse, A. W. Lunsford, V. A. Mallder, N. Martin, D. J. McComas, R. L. McNutt, D. Mehoke, T. Mehoke, E. D. Melin, M. Mutchler, D. Nelson, F. Nimmo, J. I. Nunez, A. Ocampo, W. M. Owen, M. Paetzold, B. Page, A. H. Parker, J. W. Parker, F. Pelletier, J. Peterson, N. Pinkine, M. Piquette, S. B. Porter, S. Protopapa, J. Redfern, H. J. Reitsema, D. C. Reuter, J. H. Roberts, S. J. Robbins, G. Rogers, D. Rose, K. Runyon, K. D. Retherford, M. G. Ryschkewitsch, P. Schenk, E. Schindhelm, B. Sepan, M. K. Showalter, K. N. Singer, M. Soluri, D. Stanbridge, A. J. Steffl, D. F. Strobel, T. Stryk, M. E. Summers, J. R. Szalay, M. Tapley, A. Taylor, H. Taylor, H. B. Throop, C. C. C. Tsang, G. L. Tyler, O. M. Umurhan, A. J. Verbiscer, M. H. Versteeg, M. Vincent, R. Webber, S. Weidner, G. E. Weigle, O. L. White, K. Whittenburg, B. G. Williams, K. Williams, S. Williams, W. W. Woods, A. M. Zangari, E. Zirnstein, (2015), The Pluto system: Initial results from its exploration by New Horizons, Science, 350

First extreme and far ultraviolet spectrum of a Comet Nucleus: Results from 67P/Churyumov-Gerasimenko

Icarus, 2015
S. A. Stern, L. M. Feaga, E. Schindhelm, A. Steffl, J. Wm. Parker, P. D. Feldman, H. A. Weaver, M. F. A'Hearn, J. Cook, J-L Bertaux, (2015), First extreme and far ultraviolet spectrum of a Comet Nucleus: Results from 67P/Churyumov-Gerasimenko, Icarus, 256, 117-119

Complex organic molecules in comets C/2012 F6 (Lemmon) and C/2013 R1 (Lovejoy): detection of ethylene glycol and formamide

Astronomy & Astrophysics, 2014
N. Biver, D. Bockelee-Morvan, V. Debout, J. Crovisier, J. Boissier, D. C. Lis, N. Dello Russo, R. Moreno, P. Colom, G. Paubert, R. Vervack, H. A. Weaver, (2014), Complex organic molecules in comets C/2012 F6 (Lemmon) and C/2013 R1 (Lovejoy): detection of ethylene glycol and formamide, Astronomy & Astrophysics, 566

The volatile composition of 81P/Wild 2 from ground-based high-resolution infrared spectroscopy

Icarus, 2014
N. Dello Russo, R. J. Vervack, H. Kawakita, H. Kobayashi, H. A. Weaver, W. M. Harris, A. Cochran, N. Biver, D. Bockelee-Morvan, J. Crovisier, (2014), The volatile composition of 81P/Wild 2 from ground-based high-resolution infrared spectroscopy, Icarus, 238, 125-136

DISINTEGRATING ASTEROID P/2013 R3

Astrophysical Journal Letters, 2014
David Jewitt, Jessica Agarwal, Jing Li, Harold Weaver, Max Mutchler, Stephen Larson, (2014), DISINTEGRATING ASTEROID P/2013 R3, Astrophysical Journal Letters, 784

HUBBLE SPACE TELESCOPE INVESTIGATION OF MAIN-BELT COMET 133P/ELST-PIZARRO

Astronomical Journal, 2014
David Jewitt, Masateru Ishiguro, Harold Weaver, Jessica Agarwal, Max Mutchler, Steven Larson, (2014), HUBBLE SPACE TELESCOPE INVESTIGATION OF MAIN-BELT COMET 133P/ELST-PIZARRO, Astronomical Journal, 147

EXTREMELY ORGANIC-RICH COMA OF COMET C/2010 G2 ( HILL) DURING ITS OUTBURST IN 2012

Astrophysical Journal, 2014
Hideyo Kawakita, Neil Dello Russo, Ron Vervack, Hitomi Kobayashi, Mike A. DiSanti, Cyrielle Opitom, Emmanuel Jehin, Harold A. Weaver, Anita L. Cochran, Walter M. Harris, Dominique Bockelee-Morvan, Nicolas Biver, Jacques Crovisier, Adam J. Mckay, Jean Manfroid, Michael Gillon, (2014), EXTREMELY ORGANIC-RICH COMA OF COMET C/2010 G2 ( HILL) DURING ITS OUTBURST IN 2012, Astrophysical Journal, 788

HUBBLE SPACE TELESCOPE OBSERVATIONS OF THE NUCLEUS OF COMET C/2012 S1 (ISON)

Astrophysical Journal Letters, 2014
Philippe L. Lamy, Imre Toth, Harold A. Weaver, (2014), HUBBLE SPACE TELESCOPE OBSERVATIONS OF THE NUCLEUS OF COMET C/2012 S1 (ISON), Astrophysical Journal Letters, 794

DYNAMICS OF LARGE FRAGMENTS IN THE TAIL OF ACTIVE ASTEROID P/2010 A2

Astrophysical Journal, 2013
Jessica Agarwal, David Jewitt, Harold Weaver, (2013), DYNAMICS OF LARGE FRAGMENTS IN THE TAIL OF ACTIVE ASTEROID P/2010 A2, Astrophysical Journal, 769

A high-resolution infrared spectral survey of 103P/Hartley 2 on the night of the EPOXI closest approach

Icarus, 2013
Neil Dello Russo, Ronald J. Vervack, Harold A. Weaver, Carey M. Lisse, Hideyo Kawakita, Hitomi Kobayashi, Anita L. Cochran, Walter M. Harris, Dominique Bockelee-Morvan, Nicolas Biver, Jacques Crovisier, Adam J. McKay, (2013), A high-resolution infrared spectral survey of 103P/Hartley 2 on the night of the EPOXI closest approach, Icarus, 222, 707-722

THE EXTRAORDINARY MULTI-TAILED MAIN-BELT COMET P/2013 P5

Astrophysical Journal Letters, 2013
David Jewitt, Jessica Agarwal, Harold Weaver, Max Mutchler, Stephen Larson, (2013), THE EXTRAORDINARY MULTI-TAILED MAIN-BELT COMET P/2013 P5, Astrophysical Journal Letters, 778

Parent volatiles in Comet 103P/Hartley 2 observed by Keck II with NIRSPEC during the 2010 apparition

Icarus, 2013
Hideyo Kawakita, Hitomi Kobayashi, Neil Dello Russo, Ronald J. Vervack, Mio Hashimoto, Harold A. Weaver, Carey M. Lisse, Anita L. Cochran, Walter M. Harris, Dominique Bockelee-Morvan, Nicolas Biver, Jacques Crovisier, Adam J. McKay, (2013), Parent volatiles in Comet 103P/Hartley 2 observed by Keck II with NIRSPEC during the 2010 apparition, Icarus, 222, 723-733

The persistent activity of Jupiter-family comets at 3-7 AU

Icarus, 2013
Michael S. Kelley, Yanga R. Fernandez, Javier Licandro, Carey M. Lisse, William T. Reach, Michael F. A'Hearn, James Bauer, Humberto Campins, Alan Fitzsimmons, Olivier Groussin, Philippe L. Lamy, Stephen C. Lowry, Karen J. Meech, Jana Pittichova, Colin Snodgrass, Imre Toth, Harold A. Weaver, (2013), The persistent activity of Jupiter-family comets at 3-7 AU, Icarus, 225, 475-494

CHARACTERIZING THE DUST COMA OF COMET C/2012 S1 (ISON) AT 4.15 AU FROM THE SUN

Astrophysical Journal Letters, 2013
Jian-Yang Li, Michael S. P. Kelley, Matthew M. Knight, Tony L. Farnham, Harold A. Weaver, Michael F. A'Hearn, Max J. Mutchler, Ludmilla Kolokolova, Philippe Lamy, Imre Toth, (2013), CHARACTERIZING THE DUST COMA OF COMET C/2012 S1 (ISON) AT 4.15 AU FROM THE SUN, Astrophysical Journal Letters, 779

On the possible noble gas deficiency of Pluto's atmosphere

Icarus, 2013
Olivier Mousis, Jonathan I. Lunine, Kathleen E. Mandt, Eric Schindhelm, Harold A. Weaver, S. Alan Stern, J. Hunter Waite, Randy Gladstone, Audrey Moudens, (2013), On the possible noble gas deficiency of Pluto's atmosphere, Icarus, 225, 856-861

Thermal properties, sizes, and size distribution of Jupiter-family cometary nuclei

Icarus, 2013
Y. R. Fernandez, M. S. Kelley, P. L. Lamy, I. Toth, O. Groussin, C. M. Lisse, M. F. A'Hearn, J. M. Bauer, H. Campins, A. Fitzsimmons, J. Licandro, S. C. Lowry, K. J. Meech, J. Pittichova, W. T. Reach, C. Snodgrass, H. A. Weaver, (2013), Thermal properties, sizes, and size distribution of Jupiter-family cometary nuclei, Icarus, 226, 1138-1170

Ammonia and other parent molecules in comet 10P/Tempel 2 from Herschel/HIFI and ground-based radio observations

Astronomy & Astrophysics, 2012
N. Biver, J. Crovisier, D. Bockelee-Morvan, S. Szutowicz, D. C. Lis, P. Hartogh, M. de Val-Borro, R. Moreno, J. Boissier, M. Kidger, M. Kuppers, G. Paubert, N. Dello Russo, R. Vervack, H. Weaver, HssO team, (2012), Ammonia and other parent molecules in comet 10P/Tempel 2 from Herschel/HIFI and ground-based radio observations, Astronomy & Astrophysics, 539

The Rosetta campaign to detect an exosphere at Lutetia

Planetary and Space Science, 2012
A. D. Morse, K. Altwegg, D. J. Andrews, H. U. Auster, C. M. Carr, M. Galand, F. Goesmann, S. Gulkis, S. Lee, I. Richter, S. Sheridan, S. A. Stern, M. F. A'Hearn, P. Feldman, J. Parker, K. D. Retherford, H. A. Weaver, I. P. Wright, (2012), The Rosetta campaign to detect an exosphere at Lutetia, Planetary and Space Science, 66, 165-172

THE VOLATILE COMPOSITION AND ACTIVITY OF COMET 103P/HARTLEY 2 DURING THE EPOXI CLOSEST APPROACH

Astrophysical Journal Letters, 2011
N. Dello Russo, R. J. Vervack, C. M. Lisse, H. A. Weaver, H. Kawakita, H. Kobayashi, A. L. Cochran, W. M. Harris, A. J. McKay, N. Biver, D. Bockelee-Morvan, J. Crovisier, (2011), THE VOLATILE COMPOSITION AND ACTIVITY OF COMET 103P/HARTLEY 2 DURING THE EPOXI CLOSEST APPROACH, Astrophysical Journal Letters, 734

Rosetta-Alice observations of exospheric hydrogen and oxygen on Mars

Icarus, 2011
Paul D. Feldman, Andrew J. Steffl, Joel Wm. Parker, Michael F. A'Hearn, Jean-Loup Bertaux, S. Alan Stern, Harold A. Weaver, David C. Slater, Maarten Versteeg, Henry B. Throop, Nathaniel J. Cunningham, Lori M. Feaga, (2011), Rosetta-Alice observations of exospheric hydrogen and oxygen on Mars, Icarus, 214, 394-399

HUBBLE SPACE TELESCOPE OBSERVATIONS OF MAIN-BELT COMET (596) SCHEILA

Astrophysical Journal Letters, 2011
David Jewitt, Harold Weaver, Max Mutchler, Stephen Larson, Jessica Agarwal, (2011), HUBBLE SPACE TELESCOPE OBSERVATIONS OF MAIN-BELT COMET (596) SCHEILA, Astrophysical Journal Letters, 733

ON THE FORMATION LOCATION OF URANUS AND NEPTUNE AS CONSTRAINED BY DYNAMICAL AND CHEMICAL MODELS OF COMETS

Astrophysical Journal Letters, 2011
J. J. Kavelaars, Olivier Mousis, Jean-Marc Petit, Harold A. Weaver, (2011), ON THE FORMATION LOCATION OF URANUS AND NEPTUNE AS CONSTRAINED BY DYNAMICAL AND CHEMICAL MODELS OF COMETS, Astrophysical Journal Letters, 734

Properties of the nuclei and comae of 10 ecliptic comets from Hubble Space Telescope multi-orbit observations star

Monthly Notices of the Royal Astronomical Society, 2011
P. L. Lamy, I. Toth, H. A. Weaver, M. F. A'Hearn, L. Jorda, (2011), Properties of the nuclei and comae of 10 ecliptic comets from Hubble Space Telescope multi-orbit observations star, Monthly Notices of the Royal Astronomical Society, 412, 1573-1590

On the stability of clathrate hydrates in comets 67P/Churyumov-Gerasimenko and 46P/Wirtanen

Astronomy & Astrophysics, 2011
U. Marboeuf, O. Mousis, J. -M. Petit, B. Schmitt, A. L. Cochran, H. A. Weaver, (2011), On the stability of clathrate hydrates in comets 67P/Churyumov-Gerasimenko and 46P/Wirtanen, Astronomy & Astrophysics, 525

EPOXI: COMET 103P/HARTLEY 2 OBSERVATIONS FROM A WORLDWIDE CAMPAIGN

Astrophysical Journal Letters, 2011
K. J. Meech, M. F. A'Hearn, J. A. Adams, P. Bacci, J. Bai, L. Barrera, M. Battelino, J. M. Bauer, E. Becklin, B. Bhatt, N. Biver, D. Bockelee-Morvan, D. Bodewits, H. Boehnhardt, J. Boissier, B. P. Bonev, W. Borghini, J. R. Brucato, E. Bryssinck, M. W. Buie, H. Canovas, D. Castellano, S. B. Charnley, W. P. Chen, P. Chiang, Y-J Choi, D. J. Christian, Y-L Chuang, A. L. Cochran, P. Colom, M. R. Combi, I. M. Coulson, J. Crovisier, N. Dello Russo, K. Dennerl, K. DeWahl, M. A. DiSanti, M. Facchini, T. L. Farnham, Y. Fernandez, H. G. Floren, U. Frisk, T. Fujiyoshi, R. Furusho, T. Fuse, G. Galli, D. A. Garcia-Hernandez, A. Gersch, Z. Getu, E. L. Gibb, M. Gillon, E. Guido, R. A. Guillermo, E. Hadamcik, O. Hainaut, H. B. Hammel, D. E. Harker, J. K. Harmon, W. M. Harris, P. Hartogh, M. Hashimoto, B. Haeusler, T. Herter, A. Hjalmarson, S. T. Holland, M. Honda, S. Hosseini, E. S. Howell, N. Howes, H. H. Hsieh, H-Y Hsiao, D. Hutsemekers, S. M. Immler, W. M. Jackson, S. V. Jeffers, E. Jehin, T. J. Jones, M. de Juan Ovelar, H. M. Kaluna, T. Karlsson, H. Kawakita, J. V. Keane, L. D. Keller, M. S. Kelley, D. Kinoshita, N. N. Kiselev, J. Kleyna, M. M. Knight, H. Kobayashi, H. A. Kobulnicky, L. Kolokolova, M. Kreiny, Y-J Kuan, M. Kueppers, J. M. Lacruz, W. B. Landsman, L. M. Lara, A. Lecacheux, A. C. Levasseur-Regourd, B. Li, J. Licandro, R. Ligustri, Z-Y Lin, M. Lippi, D. C. Lis, C. M. Lisse, A. J. Lovell, S. C. Lowry, H. Lu, S. Lundin, K. Magee-Sauer, P. Magain, J. Manfroid, E. Mazzotta Epifani, A. McKay, M. D. Melita, H. Mikuz, S. N. Milam, G. Milani, M. Min, R. Moreno, B. E. A. Mueller, M. J. Mumma, M. Nicolini, M. C. Nolan, H. L. Nordh, P. B. Nowajewski, Odin Team, T. Ootsubo, L. Paganini, C. Perrella, J. Pittichova, E. Prosperi, Y. L. Radeva, W. T. Reach, A. J. Remijan, M. Rengel, T. E. Riesen, M. Rodenhuis, D. P. Rodriguez, R. W. Russell, D. K. Sahu, N. H. Samarasinha, A. Sanchez Caso, A. Sandqvist, G. Sarid, M. Sato, D. G. Schleicher, E. W. Schwieterman, A. K. Sen, D. Shenoy, J-C Shi, Y. Shinnaka, J. Skvarc, C. Snodgrass, M. L. Sitko, S. Sonnett, S. Sosseini, G. Sostero, S. Sugita, B. M. Swinyard, S. Szutowicz, N. Takato, P. Tanga, P. A. Taylor, G-P Tozzi, R. Trabatti, J. M. Trigo-Rodriguez, C. Tubiana, M. de Val-Borro, W. Vacca, B. Vandenbussche, J. Vaubaillion, F. P. Velichko, S. F. Velichko, R. J. Vervack, M. J. Vidal-Nunez, G. L. Villanueva, C. Vinante, J-B Vincent, M. Wang, L. H. Wasserman, J. Watanabe, H. A. Weaver, P. R. Weissman, S. Wolk, D. H. Wooden, C. E. Woodward, M. Yamaguchi, T. Yamashita, P. A. Yanamandra-Fischer, B. Yang, J-S Yao, D. K. Yeomans, T. Zenn, H. Zhao, J. E. Ziffer, (2011), EPOXI: COMET 103P/HARTLEY 2 OBSERVATIONS FROM A WORLDWIDE CAMPAIGN, Astrophysical Journal Letters, 734

GALEX FUV OBSERVATIONS OF COMET C/2004 Q2 (MACHHOLZ): THE IONIZATION LIFETIME OF CARBON

Astrophysical Journal, 2011
Jeffrey P. Morgenthaler, Walter M. Harris, Michael R. Combi, Paul D. Feldman, Harold A. Weaver, (2011), GALEX FUV OBSERVATIONS OF COMET C/2004 Q2 (MACHHOLZ): THE IONIZATION LIFETIME OF CARBON, Astrophysical Journal, 726

ULTRAVIOLET DISCOVERIES AT ASTEROID (21) LUTETIA BY THE ROSETTA ALICE ULTRAVIOLET SPECTROGRAPH

Astronomical Journal, 2011
S. A. Stern, J. Wm. Parker, P. D. Feldman, H. A. Weaver, A. Steffl, M. F. A'Hearn, L. Feaga, E. Birath, A. Graps, J. -L. Bertaux, D. C. Slater, N. Cunningham, M. Versteeg, J. R. Scherrer, (2011), ULTRAVIOLET DISCOVERIES AT ASTEROID (21) LUTETIA BY THE ROSETTA ALICE ULTRAVIOLET SPECTROGRAPH, Astronomical Journal, 141

THE CARBON MONOXIDE ABUNDANCE IN COMET 103P/HARTLEY 2 DURING THE EPOXI FLYBY

Astrophysical Journal Letters, 2011
H. A. Weaver, P. D. Feldman, M. F. A'Hearn, N. Dello Russo, S. A. Stern, (2011), THE CARBON MONOXIDE ABUNDANCE IN COMET 103P/HARTLEY 2 DURING THE EPOXI FLYBY, Astrophysical Journal Letters, 734

The far-ultraviolet albedo of Steins measured with Rosetta-ALICE

Planetary and Space Science, 2010
Michael F. A'Hearn, Lori M. Feaga, Jean-Loup Bertaux, Paul D. Feldman, Joel Wm. Parker, David C. Slater, Andrew J. Steffl, S. Alan Stern, Henry Throop, Maarten Versteeg, Harold A. Weaver, H. Uwe Keller, (2010), The far-ultraviolet albedo of Steins measured with Rosetta-ALICE, Planetary and Space Science, 58, 1088-1096

Physical properties of the ESA Rosetta target asteroid (21) Lutetia II. Shape and flyby geometry

Astronomy & Astrophysics, 2010
B. Carry, M. Kaasalainen, C. Leyrat, W. J. Merline, J. D. Drummond, A. Conrad, H. A. Weaver, P. M. Tamblyn, C. R. Chapman, C. Dumas, F. Colas, J. C. Christou, E. Dotto, D. Perna, S. Fornasier, L. Bernasconi, R. Behrend, F. Vachier, A. Kryszczynska, M. Polinska, M. Fulchignoni, R. Roy, R. Naves, R. Poncy, P. Wiggins, (2010), Physical properties of the ESA Rosetta target asteroid (21) Lutetia II. Shape and flyby geometry, Astronomy & Astrophysics, 523

Stray Light Performance of the Long Range Reconnaissance Imager (LORRI) on the New Horizons Mission

Space Telescopes and Instrumentation 2010: Optical, Infrared, and Millimeter Wave, 2010
A. F. Cheng, S. J. Conard, H. A. Weaver, F. Morgan, M. Noble, JM Oschmann, MC Clampin, HA MacEwen, (2010), Stray Light Performance of the Long Range Reconnaissance Imager (LORRI) on the New Horizons Mission, Space Telescopes and Instrumentation 2010: Optical, Infrared, and Millimeter Wave, 7731

Physical properties of the ESA Rosetta target asteroid (21) Lutetia I. The triaxial ellipsoid dimensions, rotational pole, and bulk density

Astronomy & Astrophysics, 2010
J. D. Drummond, A. Conrad, W. J. Merline, B. Carry, C. R. Chapman, H. A. Weaver, P. M. Tamblyn, J. C. Christou, C. Dumas, (2010), Physical properties of the ESA Rosetta target asteroid (21) Lutetia I. The triaxial ellipsoid dimensions, rotational pole, and bulk density, Astronomy & Astrophysics, 523

GALAXY EVOLUTION EXPLORER OBSERVATIONS OF CS AND OH EMISSION IN COMET 9P/TEMPEL 1 DURING DEEP IMPACT

Astrophysical Journal, 2010
Paul D. Feldman, Stephan R. McCandliss, Jeffrey P. Morgenthaler, Carey M. Lisse, Harold A. Weaver, Michael F. A'Hearn, (2010), GALAXY EVOLUTION EXPLORER OBSERVATIONS OF CS AND OH EMISSION IN COMET 9P/TEMPEL 1 DURING DEEP IMPACT, Astrophysical Journal, 711, 1051-1056

A recent disruption of the main-belt asteroid P/2010 A2

Nature, 2010
David Jewitt, Harold Weaver, Jessica Agarwal, Max Mutchler, Michal Drahus, (2010), A recent disruption of the main-belt asteroid P/2010 A2, Nature, 467, 817-819

High-dispersion infrared spectroscopic observations of comet 8P/Tuttle with VLT/CRIRES

Astronomy & Astrophysics, 2010
H. Kobayashi, D. Bockelee-Morvan, H. Kawakita, N. Dello Russo, E. Jehin, J. Manfroid, A. Smette, D. Hutsemekers, J. Stuwe, M. Weiler, C. Arpigny, N. Biver, A. Cochran, J. Crovisier, P. Magain, H. Sana, R. Schulz, R. J. Vervack, H. Weaver, J-M. Zucconi, (2010), High-dispersion infrared spectroscopic observations of comet 8P/Tuttle with VLT/CRIRES, Astronomy & Astrophysics, 509

The organic composition of Comet C/2000 WM(1) (LINEAR) revealed through infrared spectroscopy

Icarus, 2010
Yana L. Radeva, Michael J. Mumma, Boncho P. Bonev, Michael A. DiSanti, Geronimo L. Villanueva, Karen Magee-Sauer, Erika L. Gibb, Harold A. Weaver, (2010), The organic composition of Comet C/2000 WM(1) (LINEAR) revealed through infrared spectroscopy, Icarus, 206, 764-777

Ultraviolet and visible photometry of asteroid (21) Lutetia using the Hubble Space Telescope

Astronomy & Astrophysics, 2010
H. A. Weaver, P. D. Feldman, W. J. Merline, M. J. Mutchler, M. F. A'Hearn, J-L Bertaux, L. M. Feaga, J. W. Parker, D. C. Slater, A. J. Steffl, C. R. Chapman, J. D. Drummond, S. A. Stern, (2010), Ultraviolet and visible photometry of asteroid (21) Lutetia using the Hubble Space Telescope, Astronomy & Astrophysics, 518

THE PARENT VOLATILE COMPOSITION OF 6P/d'ARREST AND A CHEMICAL COMPARISON OF JUPITER-FAMILY COMETS MEASURED AT INFRARED WAVELENGTHS

Astrophysical Journal, 2009
N. Dello Russo, R. J. Vervack, H. A. Weaver, H. Kawakita, H. Kobayashi, N. Biver, D. Bockelee-Morvan, J. Crovisier, (2009), THE PARENT VOLATILE COMPOSITION OF 6P/d'ARREST AND A CHEMICAL COMPARISON OF JUPITER-FAMILY COMETS MEASURED AT INFRARED WAVELENGTHS, Astrophysical Journal, 703, 187-197

Infrared measurements of the chemical composition of C/2006 P1 McNaught

Icarus, 2009
Neil Dello Russo, Ronald J. Vervack, Harold A. Weaver, Carey M. Lisse, (2009), Infrared measurements of the chemical composition of C/2006 P1 McNaught, Icarus, 200, 271-279

THE FAR-ULTRAVIOLET SPECTRAL SIGNATURES OF FORMALDEHYDE AND CARBON DIOXIDE IN COMETS

Astrophysical Journal, 2009
Paul D. Feldman, Roxana E. Lupu, Stephan R. McCandliss, Harold A. Weaver, (2009), THE FAR-ULTRAVIOLET SPECTRAL SIGNATURES OF FORMALDEHYDE AND CARBON DIOXIDE IN COMETS, Astrophysical Journal, 699, 1104-1112

A Multi-Wavelength Simultaneous Study of the Composition of the Halley Family Comet 8P/Tuttle

Earth Moon and Planets, 2009
E. Jehin, D. Bockelee-Morvan, N. Dello Russo, J. Manfroid, D. Hutsemekers, H. Kawakita, H. Kobayashi, R. Schulz, A. Smette, J. Stuwe, M. Weiler, C. Arpigny, N. Biver, A. Cochran, J. Crovisier, P. Magain, H. Rauer, H. Sana, R. J. Vervack, H. Weaver, J. -M. Zucconi, (2009), A Multi-Wavelength Simultaneous Study of the Composition of the Halley Family Comet 8P/Tuttle, Earth Moon and Planets, 105, 343-349

Properties of the nuclei and comae of 13 ecliptic comets from Hubble Space Telescope snapshot observations

Astronomy & Astrophysics, 2009
P. L. Lamy, I. Toth, H. A. Weaver, M. F. A'Hearn, L. Jorda, (2009), Properties of the nuclei and comae of 13 ecliptic comets from Hubble Space Telescope snapshot observations, Astronomy & Astrophysics, 508, 1045-1056

Spitzer observations of the asteroid-comet transition object and potential spacecraft target 107P (4015) Wilson-Harrington

Astronomy & Astrophysics, 2009
J. Licandro, H. Campins, M. Kelley, Y. Fernandez, M. Delbo, W. T. Reach, O. Groussin, P. L. Lamy, I. Toth, M. F. A'Hearn, J. M. Bauer, S. C. Lowry, A. Fitzsimmons, C. M. Lisse, K. J. Meech, J. Pittichova, C. Snodgrass, H. A. Weaver, (2009), Spitzer observations of the asteroid-comet transition object and potential spacecraft target 107P (4015) Wilson-Harrington, Astronomy & Astrophysics, 507, 1667-1670

Changing characteristics of Jupiter's little red spot

Astronomical Journal, 2008
A. F. Cheng, A. A. Simon-Miller, H. A. Weaver, K. H. Baines, G. S. Orton, P. A. Yanamandra-Fisher, O. Mousis, E. Pantin, L. Vanzi, L. N. Fletcher, J. R. Spencer, S. A. Stern, J. T. Clarke, M. J. Mutchler, K. S. Noll, (2008), Changing characteristics of Jupiter's little red spot, Astronomical Journal, 135, 2446-2452

Long-Range Reconnaissance Imager on New Horizons

Space Science Reviews, 2008
A. F. Cheng, H. A. Weaver, S. J. Conard, M. F. Morgan, O. Barnouin-Jha, J. D. Boldt, K. A. Cooper, E. H. Darlington, M. P. Grey, J. R. Hayes, K. E. Kosakowski, T. Magee, E. Rossano, D. Sampath, C. Schlemm, H. W. Taylor, (2008), Long-Range Reconnaissance Imager on New Horizons, Space Science Reviews, 140, 189-215

The volatile composition of comet 17P/Holmes after its extraordinary outburst

Astrophysical Journal, 2008
N. Dello Russo, R. J. Vervack, H. A. Weaver, M. M. Montgomery, R. Deshpande, Y. R. Fernandez, E. L. Martin, (2008), The volatile composition of comet 17P/Holmes after its extraordinary outburst, Astrophysical Journal, 680, 793-802

Overview of the New Horizons Science Payload

Space Science Reviews, 2008
H. A. Weaver, W. C. Gibson, M. B. Tapley, L. A. Young, S. A. Stern, (2008), Overview of the New Horizons Science Payload, Space Science Reviews, 140, 75-91

New Horizons: Anticipated Scientific Investigations at the Pluto System

Space Science Reviews, 2008
Leslie A. Young, S. Alan Stern, Harold A. Weaver, Fran Bagenal, Richard P. Binzel, Bonnie Buratti, Andrew F. Cheng, Dale Cruikshank, G. Randall Gladstone, William M. Grundy, David P. Hinson, Mihaly Horanyi, Donald E. Jennings, Ivan R. Linscott, David J. McComas, William B. McKinnon, Ralph McNutt, Jeffery M. Moore, Scott Murchie, Catherine B. Olkin, Carolyn C. Porco, Harold Reitsema, Dennis C. Reuter, John R. Spencer, David C. Slater, Darrell Strobel, Michael E. Summers, G. Leonard Tyler, (2008), New Horizons: Anticipated Scientific Investigations at the Pluto System, Space Science Reviews, 140, 93-127

Polar lightning and decadal-scale cloud variability on Jupiter

Science, 2007
Kevin H. Baines, Amy A. Simon-Miller, Glenn S. Orton, Harold A. Weaver, Allen Lunsford, Thomas W. Momary, John Spencer, Andrew F. Cheng, Dennis C. Reuter, Donald E. Jennings, G. R. Gladstone, Jeffrey Moore, S. Alan Stern, Leslie A. Young, Henry Throop, Padma Yanamandra-Fisher, Brendan M. Fisher, Joseph Hora, Michael E. Ressler, (2007), Polar lightning and decadal-scale cloud variability on Jupiter, Science, 318, 226-229

Compositional homogeneity in the fragmented comet 73P/Schwassmann-Wachmann 3

Nature, 2007
N. Dello Russo, R. J. Vervack, H. A. Weaver, N. Biver, D. Bockelee-Morvan, J. Crovisier, C. M. Lisse, (2007), Compositional homogeneity in the fragmented comet 73P/Schwassmann-Wachmann 3, Nature, 448, 172-175

Hubble Space Telescope observations of Comet 9P/Tempel 1 during the Deep Impact Encounter

Icarus, 2007
Paul D. Feldman, Stephan R. McCandliss, Matthew Route, Harold A. Weaver, Michael F. A'Hearn, Michael J. S. Belton, Karen J. Meech, (2007), Hubble Space Telescope observations of Comet 9P/Tempel 1 during the Deep Impact Encounter, Icarus, 187, 113-122

Jupiter's nightside airglow and aurora

Science, 2007
G. Randall Gladstone, S. Alan Stern, David C. Slater, Maarten Versteeg, Michael W. Davis, Kurt D. Retherford, Leslie A. Young, Andrew J. Steffl, Henry Throop, Joel Wm. Parker, Harold A. Weaver, Andrew F. Cheng, Glenn S. Orton, John T. Clarke, Jonathan D. Nichols, (2007), Jupiter's nightside airglow and aurora, Science, 318, 229-231

New horizons mapping of Europa and Ganymede

Science, 2007
W. M. Grundy, B. J. Buratti, A. F. Cheng, J. P. Emery, A. Lunsford, W. B. McKinnon, J. M. Moore, S. F. Newman, C. B. Olkin, D. C. Reuter, P. M. Schenk, J. R. Spencer, S. A. Stern, H. B. Throop, H. A. Weaver, New Horizons Team, (2007), New horizons mapping of Europa and Ganymede, Science, 318, 234-237

Rotational state of the nucleus of Comet 9P/Tempel 1: Results from Hubble Space Telescope observations in 2004

Icarus, 2007
Philippe L. Lamy, Imre Toth, Michael E. A'Hearn, Harold A. Weaver, Laurent Jorda, (2007), Rotational state of the nucleus of Comet 9P/Tempel 1: Results from Hubble Space Telescope observations in 2004, Icarus, 187, 132-143

Extreme non-LTE H-2 in comets C/2000 WM1 (LINEAR) and C/2001 A2 (LINEAR)

Astrophysical Journal Supplement Series, 2007
Xianming Liu, Donald E. Shemansky, Janet T. Hallett, Harold A. Weaver, (2007), Extreme non-LTE H-2 in comets C/2000 WM1 (LINEAR) and C/2001 A2 (LINEAR), Astrophysical Journal Supplement Series, 169, 458-471

The fourth positive system of carbon monoxide in the Hubble Space Telescope spectra of comets

Astrophysical Journal, 2007
Roxana E. Lupu, Paul D. Feldman, Harold A. Weaver, Gian-Paolo Tozzi, (2007), The fourth positive system of carbon monoxide in the Hubble Space Telescope spectra of comets, Astrophysical Journal, 670, 1473-1484

Energetic particles in the Jovian magnetotail

Science, 2007
R. L. McNutt, D. K. Haggerty, M. E. Hill, S. M. Krimigis, S. Livi, G. C. Ho, R. S. Gurnee, B. H. Mauk, D. G. Mitchell, E. C. Roelof, D. J. McComas, F. Bagenal, H. A. Elliott, L. E. Brown, M. Kusterer, J. Vandegriff, S. A. Stern, H. A. Weaver, J. R. Spencer, J. M. Moore, (2007), Energetic particles in the Jovian magnetotail, Science, 318, 220-222

Io's atmospheric response to eclipse: UV Aurorae observations

Science, 2007
K. D. Retherford, J. R. Spencer, S. A. Stern, J. Saur, D. F. Strobel, A. J. Steffl, G. R. Gladstone, H. A. Weaver, A. F. Cheng, J. Wm. Parker, D. C. Slater, M. H. Versteeg, M. W. Davis, F. Bagenal, H. B. Throop, R. M. C. Lopes, D. C. Reuter, A. Lunsford, S. J. Conard, L. A. Young, J. M. Moore, (2007), Io's atmospheric response to eclipse: UV Aurorae observations, Science, 318, 237-240

Jupiter cloud composition, stratification, convection, and wave motion: A view from new horizons

Science, 2007
D. C. Reuter, A. A. Simon-Miller, A. Lunsford, K. H. Baines, A. F. Cheng, D. E. Jennings, C. B. Olkin, J. R. Spencer, S. A. Stern, H. A. Weaver, L. A. Young, (2007), Jupiter cloud composition, stratification, convection, and wave motion: A view from new horizons, Science, 318, 223-225

Clump detections and limits on moons in Jupiter's ring system

Science, 2007
Mark R. Showalter, Andrew F. Cheng, Harold A. Weaver, S. Alan Stern, John R. Spencer, Henry B. Throop, Emma M. Birath, Debi Rose, Jeffrey M. Moore, (2007), Clump detections and limits on moons in Jupiter's ring system, Science, 318, 232-234

Io volcanism seen by New Horizons: A major eruption of the Tvashtar volcano

Science, 2007
J. R. Spencer, S. A. Stern, A. F. Cheng, H. A. Weaver, D. C. Reuter, K. Retherford, A. Lunsford, J. M. Moore, O. Abramov, R. M. C. Lopes, J. E. Perry, L. Kamp, M. Showalter, K. L. Jessup, F. Marchis, P. M. Schenk, C. Dumas, (2007), Io volcanism seen by New Horizons: A major eruption of the Tvashtar volcano, Science, 318, 240-243

Comet chemistry: Obtaining clues to the formation and evolution of the solar system with high-resolution infrared spectroscopy

Johns Hopkins Apl Technical Digest, 2006
Neil Dello Russo, Harold A. Weaver, Carey M. Lisse, Ronald J. Vervack, (2006), Comet chemistry: Obtaining clues to the formation and evolution of the solar system with high-resolution infrared spectroscopy, Johns Hopkins Apl Technical Digest, 27, 121-132

Carbon monoxide in comet 9P/Tempel 1 before and after the Deep Impact encounter

Astrophysical Journal, 2006
Paul D. Feldman, Roxana E. Lupu, Stephan R. McCandliss, Harold A. Weaver, Michael F. A'Hearn, Michael J. S. Belton, Karen J. Meech, (2006), Carbon monoxide in comet 9P/Tempel 1 before and after the Deep Impact encounter, Astrophysical Journal, 647, L61-L64

Hubble Space Telescope observations of the nucleus and inner coma of comet 67P/Churyumov-Gerasimenko

Astronomy & Astrophysics, 2006
P. L. Lamy, I. Toth, H. A. Weaver, L. Jorda, M. Kaasalainen, P. J. Gutierrez, (2006), Hubble Space Telescope observations of the nucleus and inner coma of comet 67P/Churyumov-Gerasimenko, Astronomy & Astrophysics, 458, 669-U22

New constraints on additional satellites of the Pluto system

Astronomical Journal, 2006
A. J. Steffl, M. J. Mutchler, H. A. Weaver, S. A. Stern, D. D. Durda, D. Terrell, W. J. Merline, L. A. Young, E. F. Young, M. W. Buie, J. R. Spencer, (2006), New constraints on additional satellites of the Pluto system, Astronomical Journal, 132, 614-619

A giant impact origin for Pluto's small moons and satellite multiplicity in the Kuiper belt

Nature, 2006
SA Stern, HA Weaver, AJ Steffl, MJ Mutchler, WJ Merline, MW Buie, EF Young, LA Young, JR Spencer, (2006), A giant impact origin for Pluto's small moons and satellite multiplicity in the Kuiper belt, Nature, 439, 946-948

Planetary science at APL takes off

Johns Hopkins Apl Technical Digest, 2006
Harold A. Weaver, Andrew F. Cheng, (2006), Planetary science at APL takes off, Johns Hopkins Apl Technical Digest, 27, 98-99

Discovery of two new satellites of Pluto

Nature, 2006
HA Weaver, SA Stern, MJ Mutchler, AJ Steffl, MW Buie, WJ Merline, JR Spencer, EF Young, LA Young, (2006), Discovery of two new satellites of Pluto, Nature, 439, 943-945

Chandra observations of comet 2P/Encke 2003: First detection of a collisionally thin, fast solar wind charge exchange system

Astrophysical Journal, 2005
CM Lisse, DJ Christian, K Dennerl, SJ Wolk, D Bodewits, R Hoekstra, MR Combi, T Makinen, M Dryer, CD Fry, H Weaver, (2005), Chandra observations of comet 2P/Encke 2003: First detection of a collisionally thin, fast solar wind charge exchange system, Astrophysical Journal, 635, 1329-1347

The Deep Impact earth-based campaign

Space Science Reviews, 2005
KJ Meech, MA A'Hearn, YR Fernandez, CM Lisse, HA Weaver, N Biver, LM Woodney, (2005), The Deep Impact earth-based campaign, Space Science Reviews, 117, 297-334

Deep Impact: Observations from a worldwide Earth-based campaign

Science, 2005
KJ Meech, N Ageorges, MF A'Hearn, C Arpigny, A Ates, J Aycock, S Bagnulo, J Bailey, R Barber, L Barrera, R Barrena, JM Bauer, MJS Belton, F Bensch, B Bhattacharya, N Biver, G Blake, D Bocklee-Morvan, H Boehnhardt, BP Bonev, T Bonev, MW Buie, MG Burton, HM Butner, R Cabanac, R Campbell, H Campins, MT Capria, T Carroll, F Chaffee, SB Charnley, R Cleis, A Coates, A Cochran, P Colom, A Conrad, IM Coulson, J Crovisier, J deBuizer, R Dekany, J de Leon, N Dello Russo, A Delsanti, M DiSanti, J Drummond, L Dundon, PB Etzel, TL Farnham, P Feldman, YR Fernandez, MD Filipovic, S Fisher, A Fitzsimmons, D Fong, R Fugate, H Fujiwara, T Fujiyoshi, R Furusho, T Fuse, E Gibb, O Groussin, S Gulkis, M Gurwell, H Hadamcik, O Hainaut, D Harker, D Harrington, M Harwit, S Hasegawa, CW Hergenrother, P Hirst, K Hodapp, M Honda, ES Howell, D Hutsemekers, D Iono, WH Ip, W Jackson, E Jehin, ZJ Jiang, GH Jones, PA Jones, T Kadono, UW Kamath, HU Kaufl, T Kasuga, H Kawakita, MS Kelley, F Kerber, M Kidger, D Kinoshita, M Knight, L Lara, SM Larson, S Lederer, CF Lee, AC Levasseur-Regourd, JY Li, QS Li, J Licandro, ZY Lin, CM Lisse, G LoCurto, AJ Lovell, SC Lowry, J Lyke, D Lynch, J Ma, K Magee-Sauer, G Maheswar, J Manfroid, O Marco, P Martin, G Melnick, S Miller, T Miyata, GH Moriarty-Schieven, N Moskovitz, BEA Mueller, MJ Mumma, S Muneer, DA Neufeld, T Ootsubo, D Osip, SK Pandea, E Pantin, R Paterno-Mahler, B Patten, BE Penprase, A Peck, G Petitas, N Pinilla-Alonso, J Pittichova, E Pompei, TP Prabhu, C Qi, R Rao, H Rauer, H Reitsema, SD Rodgers, P Rodriguez, R Ruane, G Ruch, W Rujopakarn, DK Sahu, S Sako, I Sakon, N Samarasinha, JM Sarkissian, I Saviane, M Schirmer, P Schultz, R Schulz, P Seitzer, T Sekiguchi, F Selman, M Serra-Ricart, R Sharp, RL Snell, C Snodgrass, T Stallard, G Stecklein, C Sterken, JA Stuwe, S Sugita, M Sumner, N Suntzeff, R Swaters, S Takakuwa, N Takata, J Thomas-Osip, E Thompson, AT Tokunaga, GP Tozzi, H Tran, M Troy, C Trujillo, J Van Cleve, R Vasundhara, R Vazquez, F Vilas, G Villanueva, K von Braun, P Vora, RJ Wainscoat, K Walsh, J Watanabe, HA Weaver, W Weaver, M Weiler, PR Weissman, WF Welsh, D Wilner, S Wolk, M Womack, D Wooden, LM Woodney, C Woodward, ZY Wu, JH Wu, T Yamashita, B Yang, YB Yang, S Yokogawa, AC Zook, A Zauderer, X Zhao, X Zhou, JM Zucconi, (2005), Deep Impact: Observations from a worldwide Earth-based campaign, Science, 310, 265-269

Hubble Space Telescope observations of the nucleus fragment 73P/Schwassmann-Wachmann 3-C

Icarus, 2005
I Toth, P Lamy, HA Weaver, (2005), Hubble Space Telescope observations of the nucleus fragment 73P/Schwassmann-Wachmann 3-C, Icarus, 178, 235-247

The new horizons mission to Pluto-Charon and the Kuiper Belt

Highlights of Astronomy, Vol 13, 2005
G. Leonard Tyler, S. Alan Stern, Harold A. Weaver, O Engvold, (2005), The new horizons mission to Pluto-Charon and the Kuiper Belt, Highlights of Astronomy, Vol 13, 13, 910-911

In memoriam - Michel C. Festou (1945-2005)

Icarus, 2005
SA Stern, PD Feldman, HA Weaver, (2005), In memoriam - Michel C. Festou (1945-2005), Icarus, 178, 1-3

The outgassing and composition of Comet 19P/Borrelly from radio observations

Icarus, 2004
D Bockelee-Morvan, N Biver, P Colom, J Crovisier, F Henry, A Lecacheux, JK Davies, WRF Dent, HA Weaver, (2004), The outgassing and composition of Comet 19P/Borrelly from radio observations, Icarus, 167, 113-128

The composition of cometary volatiles

Comets Ii, 2004
D Bockelee-Morvan, J Crovisier, MJ Mumma, HA Weaver, MC Festou, HU Keller, (2004), The composition of cometary volatiles, Comets Ii, 391-423

The far-ultraviolet spectrum of the Io plasma torus

Astrophysical Journal, 2004
PD Feldman, DF Strobel, HW Moos, HA Weaver, (2004), The far-ultraviolet spectrum of the Io plasma torus, Astrophysical Journal, 601, 583-591

A brief conceptual history of cometary science

Comets Ii, 2004
MC Festou, HU Keller, HA Weaver, (2004), A brief conceptual history of cometary science, Comets Ii, 3-16

Jovian auroral spectroscopy with FUSE: analysis of self-absorption and implications for electron precipitation

Icarus, 2004
J Gustin, PD Feldman, JC Gerard, D Grodent, A Vidal-Madjar, L Ben Jaffel, JM Desert, HW Moos, DJ Sahnow, HA Weaver, BC Wolven, JM Ajello, JH Waite, E Roueff, H Abgrall, (2004), Jovian auroral spectroscopy with FUSE: analysis of self-absorption and implications for electron precipitation, Icarus, 171, 336-355

The sizes, shapes, albedos, and colors of cometary nuclei

Comets Ii, 2004
PL Lamy, M Toth, YR Fernandez, HA Weaver, MC Festou, HU Keller, (2004), The sizes, shapes, albedos, and colors of cometary nuclei, Comets Ii, 223-264

The deep space 1 encounter with Comet 19P/Borrelly

Icarus, 2004
RM Nelson, MD Rayman, HA Weaver, (2004), The deep space 1 encounter with Comet 19P/Borrelly, Icarus, 167, 1-3

Not a rubble pile?

Science, 2004
HA Weaver, (2004), Not a rubble pile?, Science, 304, 1760-1762

Physical properties of cometary dust from light scattering and thermal emission

Comets Ii, 2004
L Kolokolova, MS Hanner, AC Levasseur-Regourd, BAS Gustafson, (2004), Physical properties of cometary dust from light scattering and thermal emission, Comets Ii, 577-604

Spectroscopy of Comet Hale-Bopp in the infrared

Icarus, 2003
TY Brooke, HA Weaver, G Chin, D Bockele-Morvan, (2003), Spectroscopy of Comet Hale-Bopp in the infrared, Icarus, 166, 167-187

Hubble Space Telescope STIS observations of comet 19P/Borrelly during the Deep Space 1 encounter

Astronomical Journal, 2003
HA Weaver, SA Stern, JW Parker, (2003), Hubble Space Telescope STIS observations of comet 19P/Borrelly during the Deep Space 1 encounter, Astronomical Journal, 126, 444-451

Radio investigations of 19P/Borrelly in support to the Deep Space 1 flyby

Earth Moon and Planets, 2002
D Bockelee-Morvan, N Biver, MC Festou, F Henry, A Lecacheux, HA Weaver, (2002), Radio investigations of 19P/Borrelly in support to the Deep Space 1 flyby, Earth Moon and Planets, 90, 459-461

Far Ultraviolet Spectroscopic Explorer observations of CO and H-2 emission in comet C/2001 A2 (LINEAR)

Astrophysical Journal, 2002
PD Feldman, HA Weaver, EB Burgh, (2002), Far Ultraviolet Spectroscopic Explorer observations of CO and H-2 emission in comet C/2001 A2 (LINEAR), Astrophysical Journal, 576, L91-L94

The nucleus of Comet 22P/Kopff and its inner coma

Icarus, 2002
PL Lamy, I Toth, L Jorda, O Groussin, MF A'hearn, HA Weaver, (2002), The nucleus of Comet 22P/Kopff and its inner coma, Icarus, 156, 442-455

A search for argon and OVI in three comets using the Far Ultraviolet Spectroscopic Explorer

Astrophysical Journal, 2002
HA Weaver, PD Feldman, MR Combi, V Krasnopolsky, CM Lisse, DE Shemansky, (2002), A search for argon and OVI in three comets using the Far Ultraviolet Spectroscopic Explorer, Astrophysical Journal, 576, L95-L98

Outgassing behavior and composition of comet C/1999 S4 (LINEAR) during its disruption

Science, 2001
D Bockelee-Morvan, N Biver, R Moreno, P Colom, J Crovisier, E Gerard, F Henry, DC Lis, H Matthews, HA Weaver, M Womack, MC Festou, (2001), Outgassing behavior and composition of comet C/1999 S4 (LINEAR) during its disruption, Science, 292, 1339-1343

Detection of chlorine ions in the Far Ultraviolet Spectroscopic Explorer spectrum of the Io plasma torus

Astrophysical Journal, 2001
PD Feldman, TB Ake, AF Berman, HW Moos, DJ Sahnow, DF Strobel, HA Weaver, PR Young, (2001), Detection of chlorine ions in the Far Ultraviolet Spectroscopic Explorer spectrum of the Io plasma torus, Astrophysical Journal, 554, L123-L126

Hubble space telescope observations of the nucleus of Comet 9P/Tempel 1

Icarus, 2001
PL Lamy, I Toth, MF A'Hearn, HA Weaver, PR Weissman, (2001), Hubble space telescope observations of the nucleus of Comet 9P/Tempel 1, Icarus, 154, 337-344

Charge exchange-induced X-ray emission from comet C/1999 S4 (LINEAR)

Science, 2001
CM Lisse, DJ Christian, K Dennerl, KJ Meech, R Petre, HA Weaver, SJ Wolk, (2001), Charge exchange-induced X-ray emission from comet C/1999 S4 (LINEAR), Science, 292, 1343-1348

HST and VLT investigations of the fragments of comet C/1999 S4 (LINEAR)

Science, 2001
HA Weaver, Z Sekanina, I Toth, CE Delahodde, OR Hainaut, PL Lamy, JM Bauer, MF A'Hearn, C Arpigny, MR Combi, JK Davies, PD Feldman, MC Festou, R Hook, L Jorda, MSW Keesey, CM Lisse, BG Marsden, KJ Meech, GP Tozzi, R West, (2001), HST and VLT investigations of the fragments of comet C/1999 S4 (LINEAR), Science, 292, 1329-1333

Spectroscopic observations of comet C/1999 H1 (Lee) with the SEST, JCMT, CSO, IRAM, and Nancay radio telescopes

Astronomical Journal, 2000
N Biver, D Bockelee-Morvan, J Crovisier, F Henry, JK Davies, HE Matthews, P Colom, E Gerard, DC Lis, TG Phillips, F Rantakyro, L Haikala, HA Weaver, (2000), Spectroscopic observations of comet C/1999 H1 (Lee) with the SEST, JCMT, CSO, IRAM, and Nancay radio telescopes, Astronomical Journal, 120, 1554-1570

Physical properties of the nucleus of Comet 2P/Encke

Icarus, 2000
YR Fernandez, CM Lisse, HU Kaufl, SB Peschke, HA Weaver, MF A'Hearn, PP Lamy, TA Livengood, T Kostiuk, (2000), Physical properties of the nucleus of Comet 2P/Encke, Icarus, 147, 145-160

Overview of the Far Ultraviolet Spectroscopic Explorer Mission

Astrophysical Journal, 2000
HW Moos, WC Cash, LL Cowie, AF Davidsen, AK Dupree, PD Feldman, SD Friedman, JC Green, RF Green, C Gry, JB Hutchings, EB Jenkins, JL Linsky, RF Malina, AG Michalitsianos, BD Savage, JM Shull, OHW Siegmund, TP Snow, G Sonneborn, A Vidal-Madjar, AJ Willis, BE Woodgate, DG York, TB Ake, BG Andersson, JP Andrews, RH Barkhouser, L Bianchi, WP Blair, KR Brownsberger, AN Cha, P Chayer, SJ Conard, AW Fullerton, GA Gaines, R Grange, MA Gummin, G Hebrard, GA Kriss, JW Kruk, D Mark, DK McCarthy, CL Morbey, R Murowinski, EM Murphy, WR Oegerle, RG Ohl, C Oliveira, SN Osterman, DJ Sahnow, M Saisse, KR Sembach, HA Weaver, BY Welsh, E Wilkinson, W Zheng, FUSE Sci Team, FUSE Instrument Team, FUSE Sci Operations Team, (2000), Overview of the Far Ultraviolet Spectroscopic Explorer Mission, Astrophysical Journal, 538, L1-L6

On-orbit performance of the Far Ultraviolet Spectroscopic Explorer satellite

Astrophysical Journal, 2000
DJ Sahnow, HW Moos, TB Ake, J Andersen, BG Andersson, M Andre, D Artis, AF Berman, WP Blair, KR Brownsberger, HM Calvani, P Chayer, SJ Conard, PD Feldman, SD Friedman, AW Fullerton, GA Gaines, WC Gawne, JC Green, MA Gummin, TB Jennings, JB Joyce, ME Kaiser, JW Kruk, DJ Lindler, D Massa, EM Murphy, WR Oegerle, RG Ohl, BA Roberts, ML Romelfanger, KC Roth, R Sankrit, KR Sembach, RL Shelton, OHW Siegmund, CJ Silva, G Sonneborn, SR Vaclavik, HA Weaver, E Wilkinson, (2000), On-orbit performance of the Far Ultraviolet Spectroscopic Explorer satellite, Astrophysical Journal, 538, L7-L11

An infrared investigation of volatiles in Comet 21P/Giacobini-Zinner (vol 142, pg 482, 1999)

Icarus, 2000
HA Weaver, G Chin, D Bockelee-Morvan, J Crovisier, TY Brooks, DP Cruikshank, TR Geballe, SJ Kim, R Meier, (2000), An infrared investigation of volatiles in Comet 21P/Giacobini-Zinner (vol 142, pg 482, 1999), Icarus, 144, 203

Hubble Space Telescope observations of the nucleus of comet 45P/Honda-Mrkos-Pajdusakova and its inner coma

Icarus, 1999
PL Lamy, I Toth, MF A'Hearn, HA Weaver, (1999), Hubble Space Telescope observations of the nucleus of comet 45P/Honda-Mrkos-Pajdusakova and its inner coma, Icarus, 140, 424-438

An infrared investigation of volatiles in Comet 21P/Giacobini-Zinner

Icarus, 1999
HA Weaver, G Chin, D Bockelee-Morvan, J Crovisier, TY Brooke, DP Cruikshank, TR Geballe, SJ Kim, R Meier, (1999), An infrared investigation of volatiles in Comet 21P/Giacobini-Zinner, Icarus, 142, 482-497

Post-perihelion HST observations of Comet Hale-Bopp (C/1995 O1)

Icarus, 1999
HA Weaver, PD Feldman, MF A'Hearn, C Arpigny, JC Brandt, SA Stern, (1999), Post-perihelion HST observations of Comet Hale-Bopp (C/1995 O1), Icarus, 141, 1-12

The nucleus and inner coma of comet 46P/Wirtanen

Astronomy & Astrophysics, 1998
PL Lamy, I Toth, L Jorda, HA Weaver, M A'Hearn, (1998), The nucleus and inner coma of comet 46P/Wirtanen, Astronomy & Astrophysics, 335, L25-L29

Hubble Space Telescope observations of the nucleus and inner coma of comet 19P 1904 Y2 (Borrelly)

Astronomy & Astrophysics, 1998
PL Lamy, I Toth, HA Weaver, (1998), Hubble Space Telescope observations of the nucleus and inner coma of comet 19P 1904 Y2 (Borrelly), Astronomy & Astrophysics, 337, 945-954

Thermal infrared spectra of comet Hale-Bopp at heliocentric distances of 4 and 2.9 AU

Earth Moon and Planets, 1997
JK Davies, TR Geballe, MS Hanner, HA Weaver, J Crovisier, D Bockelee-Morvan, (1997), Thermal infrared spectra of comet Hale-Bopp at heliocentric distances of 4 and 2.9 AU, Earth Moon and Planets, 78, 293-298

The CO2/CO abundance ratio in 1P/Halley and several other comets observed by IUE and HST

Astrophysical Journal, 1997
PD Feldman, MC Festou, GP Tozzi, HA Weaver, (1997), The CO2/CO abundance ratio in 1P/Halley and several other comets observed by IUE and HST, Astrophysical Journal, 475, 829-&

Using photochemistry to explain the formation and observation of C-2 in comets

Planetary and Space Science, 1997
O Sorkhabi, VM Blunt, H Lin, MF AHearn, HA Weaver, C Arpigny, WM Jackson, (1997), Using photochemistry to explain the formation and observation of C-2 in comets, Planetary and Space Science, 45, 721-730

The activity and size of the nucleus of Comet Hale-Bopp (C/1995 01) (vol 275, pg 1900, 1997)

Science, 1997
HA Weaver, (1997), The activity and size of the nucleus of Comet Hale-Bopp (C/1995 01) (vol 275, pg 1900, 1997), Science, 276, 1777

Infrared spectroscopy of comet Hale-Bopp

Earth Moon and Planets, 1997
HA Weaver, TY Brooke, G Chin, SJ Kim, D Bockelee-Morvan, JK Davies, (1997), Infrared spectroscopy of comet Hale-Bopp, Earth Moon and Planets, 78, 71-80

The activity and size of the nucleus of comet Hale-Bopp (C/1995 01)

Science, 1997
HA Weaver, PD Feldman, MF AHearn, C Arpigny, JC Brandt, MC Festou, M Haken, JB McPhate, SA Stern, GP Tozzi, (1997), The activity and size of the nucleus of comet Hale-Bopp (C/1995 01), Science, 275, 1900-1904

Estimating the size of Hale-Bopp's nucleus

Earth Moon and Planets, 1997
HA Weaver, PL Lamy, (1997), Estimating the size of Hale-Bopp's nucleus, Earth Moon and Planets, 79, 17-33

The impact of comet D Shoemaker-Levy 9 with Jupiter

Molecules in Astrophysics: Probes and Processes, 1997
HA Weaver, EF vanDishoeck, (1997), The impact of comet D Shoemaker-Levy 9 with Jupiter, Molecules in Astrophysics: Probes and Processes, 205-218

Detection of acetylene in the infrared spectrum of comet Hyakutake

Nature, 1996
TY Brooke, AT Tokunaga, HA Weaver, J Crovisier, D BockeleeMorvan, D Crisp, (1996), Detection of acetylene in the infrared spectrum of comet Hyakutake, Nature, 383, 606-608

HST observation of Mg+ in outburst from Comet D/Shoemaker-Levy 9

Icarus, 1996
PD Feldman, HA Weaver, DC Boice, SA Stern, (1996), HST observation of Mg+ in outburst from Comet D/Shoemaker-Levy 9, Icarus, 121, 442-449

Unusual comets (?) as observed from the Hubble Space Telescope

Earth Moon and Planets, 1996
KJ Meech, HA Weaver, (1996), Unusual comets (?) as observed from the Hubble Space Telescope, Earth Moon and Planets, 72, 119-131

Detection of ozone on Ganymede

Science, 1996
KS Noll, RE Johnson, AL Lane, DL Domingue, HA Weaver, (1996), Detection of ozone on Ganymede, Science, 273, 341-343

Comets - Hale-Bopp looks like a winner

Nature, 1996
HA Weaver, (1996), Comets - Hale-Bopp looks like a winner, Nature, 380, 107-108

ABUNDANCES OF AMMONIA AND CARBON-DISULFIDE IN THE JOVIAN STRATOSPHERE FOLLOWING THE IMPACT OF COMET SHOEMAKER-LEVY-9

Geophysical Research Letters, 1995
SK ATREYA, SG EDGINGTON, LM TRAFTON, JJ CALDWELL, KS NOLL, HA WEAVER, (1995), ABUNDANCES OF AMMONIA AND CARBON-DISULFIDE IN THE JOVIAN STRATOSPHERE FOLLOWING THE IMPACT OF COMET SHOEMAKER-LEVY-9, Geophysical Research Letters, 22, 1625-1628

HST FAR-ULTRAVIOLET IMAGING OF JUPITER DURING THE IMPACTS OF COMET SHOEMAKER-LEVY-9

Science, 1995
JT CLARKE, R PRANGE, GE BALLESTER, J TRAUGER, R EVANS, D REGO, K STAPELFELDT, W IP, JC GERARD, H HAMMEL, M BALLAV, L BENJAFFEL, JL BERTAUX, D CRISP, C EMERICH, W HARRIS, M HORANYI, S MILLER, A STORRS, H WEAVER, (1995), HST FAR-ULTRAVIOLET IMAGING OF JUPITER DURING THE IMPACTS OF COMET SHOEMAKER-LEVY-9, Science, 267, 1302-1307

DETECTION OF AN OXYGEN ATMOSPHERE ON JUPITER MOON EUROPA

Nature, 1995
DT HALL, DF STROBEL, PD FELDMAN, MA MCGRATH, HA WEAVER, (1995), DETECTION OF AN OXYGEN ATMOSPHERE ON JUPITER MOON EUROPA, Nature, 373, 677-679

RESPONSE OF THE IO-PLASMA TORUS TO COMET SHOEMAKER-LEVY-9

Science, 1995
MA MCGRATH, DT HALL, PL MATHESON, HA WEAVER, JT TRAUGER, TE SMITH, N THOMAS, R GLADSTONE, NM SCHNEIDER, WM HARRIS, TA LIVENGOOD, R PRANGE, MC FESTOU, (1995), RESPONSE OF THE IO-PLASMA TORUS TO COMET SHOEMAKER-LEVY-9, Science, 267, 1313-1317

HST SPECTROSCOPIC OBSERVATIONS OF JUPITER AFTER THE COLLISION OF COMET SHOEMAKER-LEVY-9

Science, 1995
KS NOLL, MA MCGRATH, LM TRAFTON, SK ATREYA, JJ CALDWELL, HA WEAVER, RV YELLE, C BARNET, S EDGINGTON, (1995), HST SPECTROSCOPIC OBSERVATIONS OF JUPITER AFTER THE COLLISION OF COMET SHOEMAKER-LEVY-9, Science, 267, 1307-1313

THE ALBEDO SPECTRUM OF EUROPA FROM 2200 ANGSTROM TO 3300 ANGSTROM

Journal of Geophysical Research-Planets, 1995
KS NOLL, HA WEAVER, AM GONELLA, (1995), THE ALBEDO SPECTRUM OF EUROPA FROM 2200 ANGSTROM TO 3300 ANGSTROM, Journal of Geophysical Research-Planets, 100, 19057-19059

IMAGING OF ASTEROID 4179-TOUTATIS WITH THE HUBBLE-SPACE-TELESCOPE

Icarus, 1995
KS NOLL, HA WEAVER, AD STORRS, B ZELLNER, (1995), IMAGING OF ASTEROID 4179-TOUTATIS WITH THE HUBBLE-SPACE-TELESCOPE, Icarus, 113, 353-359

THE HUBBLE-SPACE-TELESCOPE (HST) OBSERVING CAMPAIGN ON COMET SHOEMAKER-LEVY-9

Science, 1995
HA WEAVER, MF AHEARN, C ARPIGNY, DC BOICE, PD FELDMAN, SM LARSON, P LAMY, DH LEVY, BG MARSDEN, KJ MEECH, KS NOLL, JV SCOTTI, Z SEKANINA, CS SHOEMAKER, EM SHOEMAKER, TE SMITH, SA STERN, AD STORRS, JT TRAUGER, DK YEOMANS, B ZELLNER, (1995), THE HUBBLE-SPACE-TELESCOPE (HST) OBSERVING CAMPAIGN ON COMET SHOEMAKER-LEVY-9, Science, 267, 1282-1288

OBSERVATIONS OF THE OH MEINEL SYSTEM IN COMET P/SWIFT-TUTTLE

Astronomy & Astrophysics, 1994
GP TOZZI, PD FELDMAN, HA WEAVER, (1994), OBSERVATIONS OF THE OH MEINEL SYSTEM IN COMET P/SWIFT-TUTTLE, Astronomy & Astrophysics, 285, L9-L12

HUBBLE-SPACE-TELESCOPE OBSERVATIONS OF COMET-P/SHOEMAKER-LEVY-9 (1993E)

Science, 1994
HA WEAVER, PD FELDMAN, MF AHEARN, C ARPIGNY, RA BROWN, EF HELIN, DH LEVY, BG MARSDEN, KJ MEECH, SM LARSON, KS NOLL, JV SCOTTI, Z SEKANINA, CS SHOEMAKER, EM SHOEMAKER, TE SMITH, AD STORRS, DK YEOMANS, B ZELLNER, (1994), HUBBLE-SPACE-TELESCOPE OBSERVATIONS OF COMET-P/SHOEMAKER-LEVY-9 (1993E), Science, 263, 787-791

DETECTION OF CO CAMERON BAND EMISSION IN COMET P/HARTLEY-2 (1991 XV) WITH THE HUBBLE-SPACE-TELESCOPE

Astrophysical Journal, 1994
HA WEAVER, PD FELDMAN, JB MCPHATE, MF AHEARN, C ARPIGNY, TE SMITH, (1994), DETECTION OF CO CAMERON BAND EMISSION IN COMET P/HARTLEY-2 (1991 XV) WITH THE HUBBLE-SPACE-TELESCOPE, Astrophysical Journal, 422, 374-380

THE INFRARED (3.2-3.6 MU-M) SPECTRUM OF COMET P/SWIFT-TUTTLE - DETECTION OF METHANOL AND OTHER ORGANICS

Monthly Notices of the Royal Astronomical Society, 1993
JK DAVIES, MJ MUMMA, DC REUTER, S HOBAN, HA WEAVER, PJ PUXLEY, SL LUMSDEN, (1993), THE INFRARED (3.2-3.6 MU-M) SPECTRUM OF COMET P/SWIFT-TUTTLE - DETECTION OF METHANOL AND OTHER ORGANICS, Monthly Notices of the Royal Astronomical Society, 265, 1022-1026

TITAN - EVIDENCE FOR SEASONAL CHANGE - A COMPARISON OF HUBBLE-SPACE-TELESCOPE AND VOYAGER IMAGES

Icarus, 1992
J CALDWELL, CC CUNNINGHAM, D ANTHONY, HP WHITE, EJ GROTH, H HASAN, K NOLL, PH SMITH, MG TOMASKO, HA WEAVER, (1992), TITAN - EVIDENCE FOR SEASONAL CHANGE - A COMPARISON OF HUBBLE-SPACE-TELESCOPE AND VOYAGER IMAGES, Icarus, 97, 1-9

INNER COMA IMAGING OF COMET LEVY (1990C) WITH THE HUBBLE SPACE TELESCOPE

Icarus, 1992
HA WEAVER, MF AHEARN, PD FELDMAN, C ARPIGNY, WA BAUM, JC BRANDT, RM LIGHT, JA WESTPHAL, (1992), INNER COMA IMAGING OF COMET LEVY (1990C) WITH THE HUBBLE SPACE TELESCOPE, Icarus, 97, 85-98

A SENSITIVE UPPER LIMIT ON THE METHANE ABUNDANCE IN COMET LEVY (1990C)

Astrophysical Journal, 1991
TY BROOKE, AT TOKUNAGA, HA WEAVER, G CHIN, TR GEBALLE, (1991), A SENSITIVE UPPER LIMIT ON THE METHANE ABUNDANCE IN COMET LEVY (1990C), Astrophysical Journal, 372, L113-L116

DESCRIPTIONS OF THE NEUTRAL GAS OUTFLOW IN COMETS P/HALLEY AND WILSON (1987-VII) FROM ANALYSES OF VELOCITY-RESOLVED H2O LINE-PROFILES

Icarus, 1991
HP LARSON, HY HU, KC HSIEH, HA WEAVER, MJ MUMMA, (1991), DESCRIPTIONS OF THE NEUTRAL GAS OUTFLOW IN COMETS P/HALLEY AND WILSON (1987-VII) FROM ANALYSES OF VELOCITY-RESOLVED H2O LINE-PROFILES, Icarus, 91, 251-269

OUTBURSTS OF H2O IN COMET-P HALLEY

Icarus, 1990
HP LARSON, HY HU, MJ MUMMA, HA WEAVER, (1990), OUTBURSTS OF H2O IN COMET-P HALLEY, Icarus, 86, 129-151

AIRBORNE INFRARED-SPECTROSCOPY OF COMET WILSON (19861) AND COMPARISONS WITH COMET HALLEY

Astrophysical Journal, 1989
HP LARSON, HA WEAVER, MJ MUMMA, S DRAPATZ, (1989), AIRBORNE INFRARED-SPECTROSCOPY OF COMET WILSON (19861) AND COMPARISONS WITH COMET HALLEY, Astrophysical Journal, 338, 1106-1114

BODY BUILDING IN THE SOLAR NEBULA

Nature, 1988
CA NORMAN, HA WEAVER, (1988), BODY BUILDING IN THE SOLAR NEBULA, Nature, 334, 474-475

IUE OBSERVATIONS OF COMET P/HALLEY - EVOLUTION OF THE ULTRAVIOLET-SPECTRUM BETWEEN SEPTEMBER 1985 AND JULY 1986

Astronomy & Astrophysics, 1987
PD FELDMAN, MC FESTOU, MF AHEARN, C ARPIGNY, PS BUTTERWORTH, CB COSMOVICI, AC DANKS, R GILMOZZI, WM JACKSON, LA MCFADDEN, P PATRIARCHI, DG SCHLEICHER, GP TOZZI, MK WALLIS, HA WEAVER, TN WOODS, (1987), IUE OBSERVATIONS OF COMET P/HALLEY - EVOLUTION OF THE ULTRAVIOLET-SPECTRUM BETWEEN SEPTEMBER 1985 AND JULY 1986, Astronomy & Astrophysics, 187, 325-328

KINEMATIC PROPERTIES OF THE NEUTRAL GAS OUTFLOW FROM COMET P/HALLEY

Astronomy & Astrophysics, 1987
HP LARSON, MJ MUMMA, HA WEAVER, (1987), KINEMATIC PROPERTIES OF THE NEUTRAL GAS OUTFLOW FROM COMET P/HALLEY, Astronomy & Astrophysics, 187, 391-397

INFRARED INVESTIGATION OF WATER IN COMET P/HALLEY

Astronomy & Astrophysics, 1987
HA WEAVER, MJ MUMMA, HP LARSON, (1987), INFRARED INVESTIGATION OF WATER IN COMET P/HALLEY, Astronomy & Astrophysics, 187, 411-418

THE ORTHO-PARA RATIO OF WATER-VAPOR IN COMET P/HALLEY

Astronomy & Astrophysics, 1987
MJ MUMMA, HA WEAVER, HP LARSON, (1987), THE ORTHO-PARA RATIO OF WATER-VAPOR IN COMET P/HALLEY, Astronomy & Astrophysics, 187, 419-424

IS CO2 RESPONSIBLE FOR THE OUTBURSTS OF COMET HALLEY

Nature, 1986
PD FELDMAN, MF AHEARN, MC FESTOU, LA MCFADDEN, HA WEAVER, TN WOODS, (1986), IS CO2 RESPONSIBLE FOR THE OUTBURSTS OF COMET HALLEY, Nature, 324, 433-436

IUE OBSERVATIONS OF COMET HALLEY DURING THE VEGA AND GIOTTO ENCOUNTERS

Nature, 1986
MC FESTOU, PD FELDMAN, MF AHEARN, C ARPIGNY, CB COSMOVICI, AC DANKS, LA MCFADDEN, R GILMOZZI, P PATRIARCHI, GP TOZZI, MK WALLIS, HA WEAVER, (1986), IUE OBSERVATIONS OF COMET HALLEY DURING THE VEGA AND GIOTTO ENCOUNTERS, Nature, 321, 361-363

VELOCITY-RESOLVED OBSERVATIONS OF WATER IN COMET HALLEY

Astrophysical Journal, 1986
HP LARSON, DS DAVIS, MJ MUMMA, HA WEAVER, (1986), VELOCITY-RESOLVED OBSERVATIONS OF WATER IN COMET HALLEY, Astrophysical Journal, 309, L95-L99

DETECTION OF WATER-VAPOR IN HALLEYS-COMET

Science, 1986
MJ MUMMA, HA WEAVER, HP LARSON, DS DAVIS, M WILLIAMS, (1986), DETECTION OF WATER-VAPOR IN HALLEYS-COMET, Science, 232, 1523-1528

POSTPERIHELION OBSERVATIONS OF WATER IN COMET HALLEY

Nature, 1986
HA WEAVER, MJ MUMMA, HP LARSON, DS DAVIS, (1986), POSTPERIHELION OBSERVATIONS OF WATER IN COMET HALLEY, Nature, 324, 441-444

VIBRATIONAL AND ROTATIONAL-EXCITATION OF CO IN COMETS - NONEQUILIBRIUM CALCULATIONS

Astrophysical Journal, 1984
G CHIN, HA WEAVER, (1984), VIBRATIONAL AND ROTATIONAL-EXCITATION OF CO IN COMETS - NONEQUILIBRIUM CALCULATIONS, Astrophysical Journal, 285, 858-869

THE ULTRAVIOLET-SPECTRUM OF PERIODIC COMET ENCKE (1980-XI)

Icarus, 1984
PD FELDMAN, HA WEAVER, MC FESTOU, (1984), THE ULTRAVIOLET-SPECTRUM OF PERIODIC COMET ENCKE (1980-XI), Icarus, 60, 455-463

CORRECTION

Astrophysical Journal, 1984
HA WEAVER, (1984), CORRECTION, Astrophysical Journal, 285, 872-873

INFRARED MOLECULAR-EMISSIONS FROM COMETS

Astrophysical Journal, 1984
HA WEAVER, MJ MUMMA, (1984), INFRARED MOLECULAR-EMISSIONS FROM COMETS, Astrophysical Journal, 276, 782-797

ROCKET DETECTION OF ULTRAVIOLET EMISSION FROM NEUTRAL OXYGEN AND SULFUR IN THE IO TORUS

Astrophysical Journal, 1983
ST DURRANCE, PD FELDMAN, HA WEAVER, (1983), ROCKET DETECTION OF ULTRAVIOLET EMISSION FROM NEUTRAL OXYGEN AND SULFUR IN THE IO TORUS, Astrophysical Journal, 267, L125-L129

INFRARED HETERODYNE SPECTROSCOPY OF 7 GASES IN THE VICINITY OF CHLORINE MONOXIDE LINES

Applied Optics, 1983
HA WEAVER, MJ MUMMA, JL FARIS, T KOSTIUK, JJ HILLMAN, (1983), INFRARED HETERODYNE SPECTROSCOPY OF 7 GASES IN THE VICINITY OF CHLORINE MONOXIDE LINES, Applied Optics, 22, 1562-1567

THE ULTRAVIOLET BANDS OF THE CO-2+ ION IN COMETS

Astrophysical Journal, 1982
MC FESTOU, PD FELDMAN, HA WEAVER, (1982), THE ULTRAVIOLET BANDS OF THE CO-2+ ION IN COMETS, Astrophysical Journal, 256, 331-338

WATER PRODUCTION MODELS FOR COMET BRADFIELD (1979-X)

Astrophysical Journal, 1981
HA WEAVER, PD FELDMAN, MC FESTOU, MF AHEARN, (1981), WATER PRODUCTION MODELS FOR COMET BRADFIELD (1979-X), Astrophysical Journal, 251, 809-819

IUE OBSERVATIONS OF FAINT COMETS

Icarus, 1981
HA WEAVER, PD FELDMAN, MC FESTOU, MF AHEARN, HU KELLER, (1981), IUE OBSERVATIONS OF FAINT COMETS, Icarus, 47, 449-463

IUE OBSERVATIONS OF THE UV SPECTRUM OF COMET BRADFIELD

Nature, 1980
PD FELDMAN, HA WEAVER, MC FESTOU, MF AHEARN, WM JACKSON, B DONN, J RAHE, AM SMITH, P BENVENUTI, (1980), IUE OBSERVATIONS OF THE UV SPECTRUM OF COMET BRADFIELD, Nature, 286, 132-135