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The global shape, density and rotation of Comet 67P/Churyumov-Gerasimenko from preperihelion Rosetta/OSIRIS observations

Jorda, L and Gaskell, R.W. and Capanna, C. and Hviid, S. and Lamy, P. and Durech, J. and Faury, G. and Groussin, Olivier and Gutierrez, P.J. and Jackman, C.H. and Keihm, S. and Keller, H. U. and Knollenberg, J. and Kührt, E. and Marchi, S. and Mottola, S. and Palmer, E. and Schloerb, P. and Sierks, H. and Vincent, J.B. and A'Hearn, M. F. and Barbieri, C. and Rodrigo, Rafael and Koschny, Detlef and Rickman, Hans and Barucci, M. A. and Bartaux, J.-L. and Bertini, I. and Cremonese, G. and Da Deppo, V. and Davidsson, B. and Debei, S. and De Cecco, M. and Fornasier, S. and Fulle, M. and Güttler, C. and Ip, W-H. and Kramm, J. R. and Küppers, Michael and Lara López, Luisa M. and Lazzarin, M. and Lopez Moreno, J. and Marzari, F. and Naletto, G. and Oklay, N. and Thomas, N. and Tubiana, C. and Wenzel, K.-P. (2016) The global shape, density and rotation of Comet 67P/Churyumov-Gerasimenko from preperihelion Rosetta/OSIRIS observations. Icarus. Elsevier. doi: 10.1016/j.icarus.2016.05.002. ISSN 0019-1035.

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Abstract

Comets constitute a large population of objects formed at the early stage of the formation of the Solar System and partially preserved in the Kuiper belt and in the Oort cloud. The present physico-chemical properties of these bodies result from a long and complex history of dynamical, collisional, and chemical evolution. In particular, the sublimation of ices trapped in the nuclei is expected to significantly alter their surface properties as they periodically come close to the Sun. The detailed study of individual comets is therefore expected to give new insights into these processes and to shed light on the processes which led to their formation in the solar nebula. Rosetta is an ESA-led mission, one of the cornerstone missions of ESA’s “Horizon 2000” scientific program, whose ultimate aim is the in-depth physico-chemical characterization of the surface and interior of a comet nucleus in order to understand the processes which led to the formation of the planetesimals in the early Solar System. In complement, the Rosetta mission has also been designed to shed light on the physical processes at the origin of cometary activity and on those which drive the evolution of comet nuclei. The Rosetta spacecraft was launched in March 2004 to perform a rendezvous with the Jupiter-family Comet 67P/Churyumov-Gerasimenko (hereafter “67P/C-G”) in 2014 and to escort it throughout its 2015 perihelion passage and beyond. After two encounters with Asteroids 2867 Steins and 21 Lutetia, the spacecraft was put in hibernation between June 2011 and January 2014, and successfully re-activated on January 21, 2014.

Item URL in elib:https://elib.dlr.de/108494/
Document Type:Article
Title:The global shape, density and rotation of Comet 67P/Churyumov-Gerasimenko from preperihelion Rosetta/OSIRIS observations
Authors:
AuthorsInstitution or Email of AuthorsAuthor's ORCID iDORCID Put Code
Jorda, Llam, marseilleUNSPECIFIEDUNSPECIFIED
Gaskell, R.W.planetary science institute, tucson, az, usaUNSPECIFIEDUNSPECIFIED
Capanna, C.laboratoire d'astrophysique de marseille, franceUNSPECIFIEDUNSPECIFIED
Hviid, S.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Lamy, P.laboratoire d'astronomie spatiale, marseille, franceUNSPECIFIEDUNSPECIFIED
Durech, J.astronomical institute, charles university in prague, faculty of mathematics and physics, v holesovickach 2, 18000 prague, czech republicUNSPECIFIEDUNSPECIFIED
Faury, G.laboratoire d'astrophysique de marseille, franceUNSPECIFIEDUNSPECIFIED
Groussin, Olivierlab. d'astrophysique de marseille, franceUNSPECIFIEDUNSPECIFIED
Gutierrez, P.J.iaa-csic, granada, spainUNSPECIFIEDUNSPECIFIED
Jackman, C.H.nasa goddard space flight center, md, usaUNSPECIFIEDUNSPECIFIED
Keihm, S.Jet Propulsion Laboratory, California Institute of Technology, Pasadena, USAUNSPECIFIEDUNSPECIFIED
Keller, H. U.max-planck-institut für sonnensystemforschung, katlenburg-lindauUNSPECIFIEDUNSPECIFIED
Knollenberg, J.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Kührt, E.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Marchi, S.department of astronomy, university of paduaUNSPECIFIEDUNSPECIFIED
Mottola, S.UNSPECIFIEDhttps://orcid.org/0000-0002-0457-3872UNSPECIFIED
Palmer, E.planetary science institute, tucson, az, usaUNSPECIFIEDUNSPECIFIED
Schloerb, P.university of massachusetts, amherst, usaUNSPECIFIEDUNSPECIFIED
Sierks, H.max-planck-institut für sonnensystemforschung, katlenburg-lindau, germanyUNSPECIFIEDUNSPECIFIED
Vincent, J.B.max-planck-institut fuer sonnensystemforschung, germanyUNSPECIFIEDUNSPECIFIED
A'Hearn, M. F.university of maryland, department of astronomy, maryland, usaUNSPECIFIEDUNSPECIFIED
Barbieri, C.university of padova, padova, italyUNSPECIFIEDUNSPECIFIED
Rodrigo, Rafaelinstituto de astrofisica de andaluciaUNSPECIFIEDUNSPECIFIED
Koschny, Detlefestec, the netherlandsUNSPECIFIEDUNSPECIFIED
Rickman, Hansuppsala astronomical observatoryUNSPECIFIEDUNSPECIFIED
Barucci, M. A.observatoire de paris, meudon, franceUNSPECIFIEDUNSPECIFIED
Bartaux, J.-L.laboratoire atmosphères, milieux, observations spatiales, cnrs/uvsq/upmc, 11 boulevard d’alembert, 78280 guyancourt, franceUNSPECIFIEDUNSPECIFIED
Bertini, I.dipartimento di astronomia, università di padova, padova, italyUNSPECIFIEDUNSPECIFIED
Cremonese, G.osservatorio astronomico, padova, italyUNSPECIFIEDUNSPECIFIED
Da Deppo, V.consiglio nazionale delle ricerche-istituto nazionale per la fisica della materia, luxor, padova, italyUNSPECIFIEDUNSPECIFIED
Davidsson, B.astronomiska observatoriet, uppsala, swedenUNSPECIFIEDUNSPECIFIED
Debei, S.università di padova, center of studies and activities of space (cisas) "g.colombo", padova, italyUNSPECIFIEDUNSPECIFIED
De Cecco, M.università di padova, center of studies and activities of space (cisas) "g.colombo", padova, italyUNSPECIFIEDUNSPECIFIED
Fornasier, S.observatoire de paris-meudon, franceUNSPECIFIEDUNSPECIFIED
Fulle, M.inaf osservatorio astronomico di trieste, via tiepolo 11, 34143, trieste, italyUNSPECIFIEDUNSPECIFIED
Güttler, C.max-planck-institut für sonnensystemforschungUNSPECIFIEDUNSPECIFIED
Ip, W-H.institute for space science, national central university, chung li, taiwanUNSPECIFIEDUNSPECIFIED
Kramm, J. R.max planck institute for solar systems research, katlenburg-lindau, germanyUNSPECIFIEDUNSPECIFIED
Küppers, Michaelmax-planck-institut für sonnensystemforschungUNSPECIFIEDUNSPECIFIED
Lara López, Luisa M.iaa-csic granada, spainUNSPECIFIEDUNSPECIFIED
Lazzarin, M.department of astronomy, university of paduaUNSPECIFIEDUNSPECIFIED
Lopez Moreno, J.instituto de astrofifica de andalucia-consejo superior de investigaciones cientificas, granada, spainUNSPECIFIEDUNSPECIFIED
Marzari, F.università di padova, departimento di fisica, padova, italyUNSPECIFIEDUNSPECIFIED
Naletto, G.università di padova, departimento di elettronica et informatica, padova, italyUNSPECIFIEDUNSPECIFIED
Oklay, N.max-planck-institut für sonnensystemforschungUNSPECIFIEDUNSPECIFIED
Thomas, N.max-planck-institut für aeronomie, katlenburg-lindauUNSPECIFIEDUNSPECIFIED
Tubiana, C.max-planck-institut fuer sonnensystemforschung, germanyUNSPECIFIEDUNSPECIFIED
Wenzel, K.-P.Instituto de Astrofísica de Andalucía-CSIC, Granada, SpainUNSPECIFIEDUNSPECIFIED
Date:2016
Journal or Publication Title:Icarus
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In SCOPUS:Yes
In ISI Web of Science:Yes
DOI:10.1016/j.icarus.2016.05.002
Publisher:Elsevier
ISSN:0019-1035
Status:Published
Keywords:Comets, nucleus; Comets, dynamics; Comets, origin; Image processing; Data reduction techniques
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:Space Exploration
DLR - Research area:Raumfahrt
DLR - Program:R EW - Space Exploration
DLR - Research theme (Project):R - Project ROSETTA Instruments (old), R - Projekt ROSETTA Lander (old)
Location: Berlin-Adlershof
Institutes and Institutions:Institute of Planetary Research > Asteroids and Comets
Deposited By: Schubert, Renate
Deposited On:30 Nov 2016 08:26
Last Modified:14 Jun 2023 15:56

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