Reference : EPOXI: Comet 103P/Hartley 2 Observations from a Worldwide Campaign

	Document type :	Scientific journals : Article
	Discipline(s) :	Physical, chemical, mathematical & earth Sciences : Space science, astronomy & astrophysics
	To cite this reference:	http://hdl.handle.net/2268/95417

Title :	EPOXI: Comet 103P/Hartley 2 Observations from a Worldwide Campaign
Language :	English
Author, co-author :	Meech, K. J. [Institute for Astronomy, 2680 Woodlawn Drive, Honolulu, HI 96822, USA ; Author.]
	A'Hearn, M. F. [Department of Astronomy, University of Maryland, College Park, MD 20742-2421, USA]
	Adams, J. A. [Department of Astronomy, Cornell University, 202 Space Sciences Building, Ithaca, NY 14853, USA]
	Bacci, P. [Centro Astronomico di Libbiano, Peccioli Pisa, Italy ; CARA, Unione Astrofili Italani, vicolo Osservatorio 2, 35122, Padova, Italy]
	Bai, J. [Yunnan Astronomical Observatory, Chinese Academy of Sciences, P.O. Box 110, Kunming 65011, Yunnan, China]
	Barrera, L. [Universidad Metropolitana de Ciencias de la Educación, Av. J. P. Alessandri 774, Nunoa, Santiago, Chile]
	Battelino, M. [Swedish Space Corporation, P.O. Box 4207, 17104 Solna, Sweden]
	Bauer, J. M. [Jet Propulsion Laboratory, 4800 Oak Grove Drive, Pasadena, CA 91109, USA]
	Becklin, E. [Stratospheric Observatory for Infrared Astronomy, Universities Space Research Association, Mail Stop 211-3, Moffett Field, CA 94035, USA]
	Bhatt, B. [Indian Institute of Astrophysics, CREST Campus, Block-II, Koramangala, Sarjapur Road, Bangalore 560034, India]
	Biver, N. [LESIA, Observatoire de Paris, 5 place Jules Janssen, Meudon 92195, France]
	Bockelée-Morvan, D. [LESIA, Observatoire de Paris, 5 place Jules Janssen, Meudon 92195, France]
	Bodewits, D. [Department of Astronomy, University of Maryland, College Park, MD 20742-2421, USA]
	Böhnhardt, H. [Max-Planck Institute for Solar System Research, Max-Planck-Str. 2, Katlenburg-Lindau 37191, Germany]
	Boissier, J. [INAF—Inst. di Radioastronomia, Via P. Gobetti 101, 40129 Bologna, Italy ; ESO, Karl-Schwarzschild-Str. 2, 85748 Garching bei München, Germany]
	Bonev, B. P. [Department of Physics, Catholic University of America/GSFC, 620 Michigan Ave., N.E., Washington, DC 20064, USA]
	Borghini, W. [Osservatorio Astronomico Naturalistico di Casasco, Strada Ca'Simoni 15050, Casasco, Italy ; CARA, Unione Astrofili Italani, vicolo Osservatorio 2, 35122, Padova, Italy]
	Brucato, J. R. [INAF—Osservatorio Astrofisico di Arcetri, Largo E. Fermi 5, Firenze 50125, Italy]
	Bryssinck, E. [Brixiis Observatory, Eyckensbeekstraat 2, 9150 Kruibeke, Belgium ; CARA, Unione Astrofili Italani, vicolo Osservatorio 2, 35122, Padova, Italy]
	Buie, M. W. [Department of Space Studies, Southwest Research Institute, 1050 Walnut Street 400, Boulder, CO 80302, USA]
	Canovas, H. [Astronomical Institute, Utrecht University, Princetonplein 5, 3584 CC Utrecht, The Netherlands]
	Castellano, D. [Unione Astrofili Italiani, IASF INAF via Fosso del Cavaliere 100-00133 Roma, Italy ; CARA, Unione Astrofili Italani, vicolo Osservatorio 2, 35122, Padova, Italy]
	Charnley, S. B. [NASA GSFC, 8800 Greenbelt Rd., Greenbelt, MD 20771, USA]
	Chen, W. P. [Graduate Institute Astronomy, National Central University, 300 Jhongda Rd, Jhongli 32001, Taiwan]
	Chiang, P. [Korea Astronomy and Space Science Institute, Daejeon 305-348, Republic of Korea]
	Choi, Y*-J [Korea Astronomy and Space Science Institute, Daejeon 305-348, Republic of Korea]
	Christian, D. J. [Department of Physics and Astronomy, California State University, Northridge, CA 91330, USA]
	Chuang, Y*-L [Departmnet of Earth Sciences, National Taiwan Normal University, 88, Sec. 4, Ting-Chou Road, Taipei 11677, Taiwan]
	Cochran, A. L. [McDonald Observatory, University of Texas, 1 University Station, C1402, Austin, TX 78712, USA]
	Colom, P. [LESIA, Observatoire de Paris, 5 place Jules Janssen, Meudon 92195, France]
	Combi, M. R. [Department of Atm. Ocean and Space Sci., 2418B Space Research Bldg., University of Michigan, 2455 Hayward St., Ann Arbor, MI 48109-2143, USA]
	Coulson, I. M. [Joint Astronomy Centre, 660 N. Aohoku Place, University Park, Hilo, HI 96720, USA]
	Crovisier, J. [LESIA, Observatoire de Paris, 5 place Jules Janssen, Meudon 92195, France]
	Dello Russo, N. [JHU/APL, 11100 Johns Hopkins Road, Laurel, MD 20723, USA]
	Dennerl, K. [Max-Planck-Institut für Extraterrestrische Physik, Giessenbach-strasse, 85748 Garching, Germany]
	DeWahl, K. [Department of Astronomy, University of Minneapolis, 116 Church St. SE, Minneapolis, MN 55455, USA]
	DiSanti, M. A. [NASA GSFC, 8800 Greenbelt Rd., Greenbelt, MD 20771, USA]
	Facchini, M. [G. Montanari Observatory, via Concordia 200, 41032 Cavezzo, Italy ; CARA, Unione Astrofili Italani, vicolo Osservatorio 2, 35122, Padova, Italy]
	Farnham, T. L. [Department of Astronomy, University of Maryland, College Park, MD 20742-2421, USA]
	Fernández, Y. [Department of Physics, University of Central Florida, 4000 Central Florida Blvd., Orlando, FL 32816-2385, USA]
	Florén, H. G. [Stockholm Observatory, SCFAB AlbaNova, 10691 Stockholm, Sweden]
	Frisk, U. [Swedish Space Corporation, P.O. Box 4207, 17104 Solna, Sweden]
	Fujiyoshi, T. [Subaru Telescope, National Astronomical Observatory of Japan, 650 North A'ohoku Place, Hilo, HI 96720, USA]
	Furusho, R. [National Astronomical Observatory of Japan, Osawa 2-21-1, Mitaka, Tokyo 181-8588, Japan]
	Fuse, T. [Kashima Space Research Center, NICT, Ibaraki 314-8501, Japan]
	Galli, G. [GiaGa Observatory, Pogliano Milanese, Milano, Italy ; CARA, Unione Astrofili Italani, vicolo Osservatorio 2, 35122, Padova, Italy]
	García-Hernández, D. A. [Institute of Space Sciences (CSIC-IEEC), Campus UAB, Sciences Faculty, Tower C-5, Even, 2nd floor, Bellaterra (Barcelona) E-08193, Spain]
	Gersch, A. [Department of Astronomy, University of Maryland, College Park, MD 20742-2421, USA]
	Getu, Z. [Purple Mountain Observatory, 2 West Beijing Road, Nanjing 210008, China]
	Gibb, E. L. [Department of Physics and Astronomy, University of Missouri—St. Louis, 503 Benton Hall, One Univ. Blvd., St Louis, MO 63121, USA]
	Gillon, Michaël [Institut d'Astrophysique et de Géophysique, Université de Liège, Allée du 6 Août, 17, 4000 Liège, Belgium]
	Guido, E. [Remanzacco Observatory, via S. Stefano, 33047, Remanzacco, Italy ; CARA, Unione Astrofili Italani, vicolo Osservatorio 2, 35122, Padova, Italy]
	Guillermo, R. A. [Depto. de Física, Facultad de Ciencias, Universidad de Chile, Las Palmeras 3425, Ñuñoa, Casilla 653, Santiago, Chile]
	Hadamcik, E. [UPMC Univ. Paris 06/LATMOS-IPSL, 11 Blvd. d'Alembert, 78280 Guyancourt, France]
	Hainaut, O. [ESO, Karl-Schwarzschild-Str. 2, 85748 Garching bei München, Germany]
	Hammel, H. B. [AURA, 1212 New York Ave NW, Suite 450, Washington, DC 20005, USA ; Space Science Inst., 4750 Walnut Street, Suite 205, Boulder, CO 80301, USA]
	Harker, D. E. [Center for Astrophysics & Space Sciences, University of California, San Diego, 9500 Gilman Dr. Dept 0424, La Jolla, CA 92093-0424, USA]
	Harmon, J. K. [Arecibo Observatory, HC3 Box 53995, Arecibo, PR 00612, USA]
	Harris, W. M. [University of California, Department of Applied Sciences, One Shields Ave., Davis, CA 95616, USA]
	Hartogh, P. [Max-Planck Institute for Solar System Research, Max-Planck-Str. 2, Katlenburg-Lindau 37191, Germany]
	Hashimoto, M. [Saga Pref. Space and Science Museum, 16351, Nagashima, Takeo 843-0021, Japan]
	Häusler, B. [Maidbronn Observatory, Albin-Joerg-Str. D-97222, Maidbronn, Germany]
	Herter, T. [Department of Astronomy, Cornell University, 202 Space Sciences Building, Ithaca, NY 14853, USA]
	Hjalmarson, A. [Onsala Space Observatory, 43992 Onsala, Sweden]
	Holland, S. T. [NASA GSFC, 8800 Greenbelt Rd., Greenbelt, MD 20771, USA ; Centre for Research and Exploration in Space Science and Technology, Code 668.8, 8800 Greenbelt Road, Goddard Space Flight Center, Greenbelt, MD 20771, USA]
	Honda, M. [Department of Information Sciences, Kanagawa University, Kanagawa 259-1293, Japan]
	Hosseini, S. [University of California, Department of Applied Sciences, One Shields Ave., Davis, CA 95616, USA]
	Howell, E. S. [Arecibo Observatory, HC3 Box 53995, Arecibo, PR 00612, USA]
	Howes, N. [LCOGT/Faulkes Telescope North & Cherhill Observatory, UK ; CARA, Unione Astrofili Italani, vicolo Osservatorio 2, 35122, Padova, Italy]
	Hsieh, H. H. [Institute for Astronomy, 2680 Woodlawn Drive, Honolulu, HI 96822, USA]
	Hsiao, H*-Y [Graduate Institute Astronomy, National Central University, 300 Jhongda Rd, Jhongli 32001, Taiwan]
	Hutsemekers, Damien [Université de Liège - ULg > Département d'astrophys., géophysique et océanographie (AGO) > Astroph. extragalactique et observations spatiales (AEOS)]
	Immler, S. M. [NASA GSFC, 8800 Greenbelt Rd., Greenbelt, MD 20771, USA]
	Jackson, W. M. [University of California, Department of Applied Sciences, One Shields Ave., Davis, CA 95616, USA]
	Jeffers, S. V. [Astronomical Institute, Utrecht University, Princetonplein 5, 3584 CC Utrecht, The Netherlands]
	Jehin, Emmanuel [Université de Liège - ULg > Département d'astrophys., géophysique et océanographie (AGO) > Astrophysique et traitement de l'image]
	Jones, T. J. [Department of Astronomy, University of Minneapolis, 116 Church St. SE, Minneapolis, MN 55455, USA]
	Ovelar, M de Juan [Astronomical Institute, Utrecht University, Princetonplein 5, 3584 CC Utrecht, The Netherlands]
	Kaluna, H. M. [Institute for Astronomy, 2680 Woodlawn Drive, Honolulu, HI 96822, USA]
	Karlsson, T. [Swedish Space Corporation, P.O. Box 4207, 17104 Solna, Sweden]
	Kawakita, H. [Department of Physics, Facility of Science Kyoto Sangyo University, Motoyama, Kamigamo, Kita-ku, Kyoto 603-8555, Japan]
	Keane, J. V. [Institute for Astronomy, 2680 Woodlawn Drive, Honolulu, HI 96822, USA]
	Keller, L. D. [Ithaca College, Ithaca, NY 14850, USA]
	Kelley, M. S. [Department of Astronomy, University of Maryland, College Park, MD 20742-2421, USA]
	Kinoshita, D. [Graduate Institute Astronomy, National Central University, 300 Jhongda Rd, Jhongli 32001, Taiwan]
	Kiselev, N. N. [Main Astronomical Observatory of National Academy of Sciences of Ukraine, Zabolotnoho 27, Kiev 03680, Ukraine]
	Kleyna, J. [Institute for Astronomy, 2680 Woodlawn Drive, Honolulu, HI 96822, USA]
	Knight, M. M. [Lowell Observatory, 1400 W. Mars Hill Road, Flagstaff, AZ 86001, USA]
	Kobayashi, H. [Department of Physics, Facility of Science Kyoto Sangyo University, Motoyama, Kamigamo, Kita-ku, Kyoto 603-8555, Japan]
	Kobulnicky, H. A. [Department of Physics & Astronomy, University of Wyoming, Laramie, WY 82071, USA]
	Kolokolova, L. [Department of Astronomy, University of Maryland, College Park, MD 20742-2421, USA]
	Kreiny, M. [Department of Astronomy, University of Minneapolis, 116 Church St. SE, Minneapolis, MN 55455, USA]
	Kuan, Y*-J [Departmnet of Earth Sciences, National Taiwan Normal University, 88, Sec. 4, Ting-Chou Road, Taipei 11677, Taiwan]
	Küppers, M. [Rosetta Science Operations Centre, European Space Astronomy Centre, European Space Agency, Madrid, Spain]
	Lacruz, J. M. [La Cañada Observatory, c/Ramón Gómez de la Serna 83, 7-F, Madrid 28035, Spain]
	Landsman, W. B. [NASA GSFC, 8800 Greenbelt Rd., Greenbelt, MD 20771, USA]
	Lara, L. M. [IAA-CSIC, c/Glorieta de la Astrónoma s/n, Granada 18008, Spain]
	Lecacheux, A. [LESIA, Observatoire de Paris, 5 place Jules Janssen, Meudon 92195, France]
	Levasseur-Regourd, A. C. [UPMC Univ. Paris 06/LATMOS-IPSL, 11 Blvd. d'Alembert, 78280 Guyancourt, France]
	Li, B. [Purple Mountain Observatory, 2 West Beijing Road, Nanjing 210008, China]
	Licandro, J. [Instituto de Astrofísica de Canarias, c/Vıa Lactea s/n, 38200 La Laguna, Tenerife, Spain ; Depto. de Astrofísica, Univ. de La Laguna, E-38205 La Laguna, Tenerife, Spain]
	Ligustri, R. [Talmassons Observatory (C.A.S.T.), via Cadorna, 33030 Talmassons, Italy ; CARA, Unione Astrofili Italani, vicolo Osservatorio 2, 35122, Padova, Italy]
	Lin, Z*-Y [IAA-CSIC, c/Glorieta de la Astrónoma s/n, Granada 18008, Spain]
	Lippi, M. [Max-Planck Institute for Solar System Research, Max-Planck-Str. 2, Katlenburg-Lindau 37191, Germany]
	Lis, D. C. [Caltech, MC 301-17, Pasadena, CA 91125, USA]
	Lisse, C. M. [JHU/APL, 11100 Johns Hopkins Road, Laurel, MD 20723, USA]
	Lovell, A. J. [Department of Physics and Astronomy, Agnes Scott College, Decatur, GA 30030, USA]
	Lowry, S. C. [Centre for Astrophysics and Planetary Science, University of Kent, Canterbury, CT2 7NH, UK]
	Lu, H. [Purple Mountain Observatory, 2 West Beijing Road, Nanjing 210008, China]
	Lundin, S. [Swedish Space Corporation, P.O. Box 4207, 17104 Solna, Sweden]
	Magee-Sauer, K. [Department of Physics and Astronomy, Rowan University, Glassboro, NJ 08028-1701, USA]
	Magain, Pierre [Université de Liège - ULg > Département d'astrophys., géophysique et océanographie (AGO) > Astrophysique et traitement de l'image]
	Manfroid, Jean [Université de Liège - ULg > Département d'astrophys., géophysique et océanographie (AGO) > Département d'astrophys., géophysique et océanographie (AGO)]
	Mazzotta Epifani, E. [INAF-OAC, Via Moiariello 16, Napoli 80131, Italy]
	McKay, A. [Department of Astronomy New Mexico State University, P.O. Box, 20001, MSC 4500 Las Cruces, NM 88003-8001, USA]
	Melita, M. D. [Instituto de Astronomía y Física del Espacio, Buenos Aires, Argentina]
	Mikuz, H. [Astronomski obsevatorij, Predgriže 29a, 5274 Črni Vrh nad Idrigo, Črni Vrh, Slovenia ; CARA, Unione Astrofili Italani, vicolo Osservatorio 2, 35122, Padova, Italy]
	Milam, S. N. [NASA GSFC, 8800 Greenbelt Rd., Greenbelt, MD 20771, USA]
	Milani, G. [Dip. di Scienze Biomediche Sperimentali, Universita' di Padova, viale G. Colombo 3, 35121, Italy ; CARA, Unione Astrofili Italani, vicolo Osservatorio 2, 35122, Padova, Italy]
	Min, M. [Astronomical Institute, Utrecht University, Princetonplein 5, 3584 CC Utrecht, The Netherlands]
	Moreno, R. [LESIA, Observatoire de Paris, 5 place Jules Janssen, Meudon 92195, France]
	Mueller, B. E. A. [Planetary Space Institute, 1700 E. Ft. Lowell, 106, Tucson, AZ 85719, USA]
	Mumma, M. J. [NASA GSFC, 8800 Greenbelt Rd., Greenbelt, MD 20771, USA]
	Nicolini, M. [G. Montanari Observatory, via Concordia 200, 41032 Cavezzo, Italy ; CARA, Unione Astrofili Italani, vicolo Osservatorio 2, 35122, Padova, Italy]
	Nolan, M. C. [Arecibo Observatory, HC3 Box 53995, Arecibo, PR 00612, USA]
	Nordh, H. L. [Swedish National Space Board, P.O. Box 4006, 17104 Solna, Sweden]
	Nowajewski, P. B. [Astronomy Department, University of Chile, Camino el Observatorio #1515, Las Condes, Santiago, Chile]
	Odin, Team [Onsala Space Observatory, 43992 Onsala, Sweden]
	Ootsubo, T. [Astronomical Institute, Graduate School of Science, Tohoku University, Aramaki, Aoba-ku, Sendai 980-8578, Japan]
	Paganini, L. [NASA GSFC, 8800 Greenbelt Rd., Greenbelt, MD 20771, USA]
	Perrella, C. [Unione Astrofili Italiani, IASF INAF via Fosso del Cavaliere 100-00133 Roma, Italy ; CARA, Unione Astrofili Italani, vicolo Osservatorio 2, 35122, Padova, Italy]
	Pittichová, J. [Institute for Astronomy, 2680 Woodlawn Drive, Honolulu, HI 96822, USA]
	Prosperi, E. [Centro Astronomico di Libbiano, Peccioli Pisa, Italy ; CARA, Unione Astrofili Italani, vicolo Osservatorio 2, 35122, Padova, Italy]
	Radeva, Y. L. [NASA GSFC, 8800 Greenbelt Rd., Greenbelt, MD 20771, USA]
	Reach, W. T. [Stratospheric Observatory for Infrared Astronomy, Universities Space Research Association, Mail Stop 211-3, Moffett Field, CA 94035, USA]
	Remijan, A. J. [NRAO, 520 Edgemont Road, Charlottesville, VA 22903, USA]
	Rengel, M. [Max-Planck Institute for Solar System Research, Max-Planck-Str. 2, Katlenburg-Lindau 37191, Germany]
	Riesen, T. E. [Institute for Astronomy, 2680 Woodlawn Drive, Honolulu, HI 96822, USA]
	Rodenhuis, M. [Astronomical Institute, Utrecht University, Princetonplein 5, 3584 CC Utrecht, The Netherlands]
	Rodríguez, D. P. [Guadarrama Observatory, c/San Pablo 5, Alpedrete, Madrid 28400, Spain]
	Russell, R. W. [The Aerospace Corp., M2-266, P.O. Box 92957, Los Angeles, CA 90009-2957, USA]
	Sahu, D. K. [Indian Institute of Astrophysics, CREST Campus, Block-II, Koramangala, Sarjapur Road, Bangalore 560034, India]
	Samarasinha, N. H. [Planetary Space Institute, 1700 E. Ft. Lowell, 106, Tucson, AZ 85719, USA]
	Sánchez Caso, A. [Gualba Astronomical Observatory, Mas Cortinas-52, Gualba, Barcelona 08474, Spain]
	Sandqvist, A. [Stockholm Observatory, SCFAB AlbaNova, 10691 Stockholm, Sweden]
	Sarid, G. [Institute for Astronomy, 2680 Woodlawn Drive, Honolulu, HI 96822, USA]
	Sato, M. [National Astronomical Observatory of Japan, Osawa 2-21-1, Mitaka, Tokyo 181-8588, Japan]
	Schleicher, D. G. [Lowell Observatory, 1400 W. Mars Hill Road, Flagstaff, AZ 86001, USA]
	Schwieterman, E. W. [Lowell Observatory, 1400 W. Mars Hill Road, Flagstaff, AZ 86001, USA]
	Sen, A. K. [Department of Physics, Assam University, Silchar 788001, India]
	Shenoy, D. [Department of Astronomy, University of Minneapolis, 116 Church St. SE, Minneapolis, MN 55455, USA]
	Shi, J*-C [Purple Mountain Observatory, 2 West Beijing Road, Nanjing 210008, China]
	Shinnaka, Y. [Department of Physics, Facility of Science Kyoto Sangyo University, Motoyama, Kamigamo, Kita-ku, Kyoto 603-8555, Japan]
	Skvarc, J. [Astronomski obsevatorij, Predgriže 29a, 5274 Črni Vrh nad Idrigo, Črni Vrh, Slovenia ; CARA, Unione Astrofili Italani, vicolo Osservatorio 2, 35122, Padova, Italy]
	Snodgrass, C. [Max-Planck Institute for Solar System Research, Max-Planck-Str. 2, Katlenburg-Lindau 37191, Germany]
	Sitko, M. L. [Center for Astrophysics & Space Sciences, University of California, San Diego, 9500 Gilman Dr. Dept 0424, La Jolla, CA 92093-0424, USA]
	Sonnett, S. [Institute for Astronomy, 2680 Woodlawn Drive, Honolulu, HI 96822, USA]
	Sosseini, S. [University of California, Department of Applied Sciences, One Shields Ave., Davis, CA 95616, USA]
	Sostero, G. [Remanzacco Observatory, via S. Stefano, 33047, Remanzacco, Italy ; CARA, Unione Astrofili Italani, vicolo Osservatorio 2, 35122, Padova, Italy]
	Sugita, S. [Department of Complexity Science & Engineering, University of Tokyo, Kashiwanoha, Kashiwa, Chiba 277-8561, Japan]
	Swinyard, B. M. [Planets and Space Plasmas Group, Space Science and Technology Department, Rutherford Appleton Laboratory, Oxfordshire, UK ; Department of Physics and Astronomy, University College London, Gower Place, London #WC1E6BT, UK]
	Szutowicz, S. [Space Research Centre, Polish Academy of Science, Warszawa, Poland]
	Takato, N. [Subaru Telescope, National Astronomical Observatory of Japan, 650 North A'ohoku Place, Hilo, HI 96720, USA]
	Tanga, P. [UMR 6202 Cassiopée, University of Nice-Sophia Antipolis, CNRS, Observatoire de la Côte d'Azur, BP 4229, 06304 Nice Cedex 4, France]
	Taylor, P. A. [Arecibo Observatory, HC3 Box 53995, Arecibo, PR 00612, USA]
	Tozzi, G*-P [INAF—Osservatorio Astrofisico di Arcetri, Largo E. Fermi 5, Firenze 50125, Italy]
	Trabatti, R. [Stazione Astronomica Descartes, via Lambrinia 4, 27013, Chignolo Pó, Italy ; CARA, Unione Astrofili Italani, vicolo Osservatorio 2, 35122, Padova, Italy]
	Trigo-Rodríguez, J. M. [Institute of Space Sciences (CSIC-IEEC), Campus UAB, Sciences Faculty, Tower C-5, Even, 2nd floor, Bellaterra (Barcelona) E-08193, Spain]
	Tubiana, C. [Max-Planck Institute for Solar System Research, Max-Planck-Str. 2, Katlenburg-Lindau 37191, Germany]
	de Val-Borro, M. [Max-Planck Institute for Solar System Research, Max-Planck-Str. 2, Katlenburg-Lindau 37191, Germany]
	Vacca, W. [Stratospheric Observatory for Infrared Astronomy, Universities Space Research Association, Mail Stop 211-3, Moffett Field, CA 94035, USA]
	Vandenbussche, B. [Institute for Astronomy, KU, Leuven, Belgium]
	Vaubaillion, J. [IMCCE-Observatoire de Paris, 77 Avenue Denfert-Rochereau, F-75014 Paris, France]
	Velichko, F. P. [Astronomical Institute of Kharkiv University, Sums'ka 35, Kharkiv 61022, Ukraine]
	Velichko, S. F. [International Center for Astronomical, Medical and Ecological Research, 27 Akademika Zabolotnoho, Kiyv 03680, Ukraine]
	Vervack, R J, Jr [JHU/APL, 11100 Johns Hopkins Road, Laurel, MD 20723, USA]
	Vidal-Nunez, M. J. [National Astronomical Observatory of Japan, Osawa 2-21-1, Mitaka, Tokyo 181-8588, Japan]
	Villanueva, G. L. [NASA GSFC, 8800 Greenbelt Rd., Greenbelt, MD 20771, USA]
	Vinante, C. [Dipartimento di Geoscienze, Università di Padova via Gradengio, 6-35131 Padova, Italy]
	Vincent, J*-B [Max-Planck Institute for Solar System Research, Max-Planck-Str. 2, Katlenburg-Lindau 37191, Germany]
	Wang, M. [Purple Mountain Observatory, 2 West Beijing Road, Nanjing 210008, China]
	Wasserman, L. H. [Lowell Observatory, 1400 W. Mars Hill Road, Flagstaff, AZ 86001, USA]
	Watanabe, J. [National Astronomical Observatory of Japan, Osawa 2-21-1, Mitaka, Tokyo 181-8588, Japan]
	Weaver, H. A. [JHU/APL, 11100 Johns Hopkins Road, Laurel, MD 20723, USA]
	Weissman, P. R. [Jet Propulsion Laboratory, 4800 Oak Grove Drive, Pasadena, CA 91109, USA]
	Wolk, S. [Chandra X-Ray Center, Harvard-Smithsonian Center for Astrophysics, 60 Garden Street, Cambridge, MA 02138, USA]
	Wooden, D. H. [NASA-Ames Research Center, MS 245-3, Moffett Field, CA 94035-0001, USA]
	Woodward, C. E. [Department of Astronomy, University of Minneapolis, 116 Church St. SE, Minneapolis, MN 55455, USA]
	Yamaguchi, M. [LCOGT/Faulkes Telescope North & Cherhill Observatory, UK]
	Yamashita, T. [National Astronomical Observatory of Japan, Osawa 2-21-1, Mitaka, Tokyo 181-8588, Japan]
	Yanamandra-Fischer, P. A. [Jet Propulsion Laboratory, 4800 Oak Grove Drive, Pasadena, CA 91109, USA]
	Yang, B. [Institute for Astronomy, 2680 Woodlawn Drive, Honolulu, HI 96822, USA]
	Yao, J*-S [Purple Mountain Observatory, 2 West Beijing Road, Nanjing 210008, China]
	Yeomans, D. K. [Jet Propulsion Laboratory, 4800 Oak Grove Drive, Pasadena, CA 91109, USA]
	Zenn, T. [Institute for Astronomy, 2680 Woodlawn Drive, Honolulu, HI 96822, USA]
	Zhao, H. [Purple Mountain Observatory, 2 West Beijing Road, Nanjing 210008, China]
	Ziffer, J. E. [University of Southern Maine, 96 Falmouth Street, Portland, ME 04104-9300, USA]
Publication date :	1-Jun-2011
Journal title :	Astrophysical Journal
Publisher :	University of Chicago Press
Volume :	734
Issue/season :	Letters
Pages :	1, pp. 1-9
Audience :	International
ISSN :	0004-637X
e-ISSN :	1538-4357
City :	Chicago
Country :	IL
Keywords :	[en] comets: individual: 103P/Hartley 2
Abstract :	[en] Earth- and space-based observations provide synergistic information for space mission encounters by providing data over longer timescales, at different wavelengths and using techniques that are impossible with an in situ flyby. We report here such observations in support of the EPOXI spacecraft flyby of comet 103P/Hartley 2. The nucleus is small and dark, and exhibited a very rapidly changing rotation period. Prior to the onset of activity, the period was ~16.4 hr. Starting in 2010 August the period changed from 16.6 hr to near 19 hr in December. With respect to dust composition, most volatiles and carbon and nitrogen isotope ratios, the comet is similar to other Jupiter-family comets. What is unusual is the dominance of CO[SUB]2[/SUB]-driven activity near perihelion, which likely persists out to aphelion. Near perihelion the comet nucleus was surrounded by a large halo of water-ice grains that contributed significantly to the total water production.
Permalink :	http://hdl.handle.net/2268/95417
DOI :	10.1088/2041-8205/734/1/L1
Other URL :	http://adsabs.harvard.edu/abs/2011ApJ...734L...1M
Commentary :	http://de.arxiv.org/abs/1106.0367

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