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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. ISSN 0019-1035

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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
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Jorda, Llam, marseilleUNSPECIFIED
Gaskell, R.W.planetary science institute, tucson, az, usaUNSPECIFIED
Capanna, C.laboratoire d'astrophysique de marseille, franceUNSPECIFIED
Hviid, S.stubbe.hviid (at) dlr.deUNSPECIFIED
Lamy, P.laboratoire d'astronomie spatiale, marseille, franceUNSPECIFIED
Durech, J.astronomical institute, charles university in prague, faculty of mathematics and physics, v holesovickach 2, 18000 prague, czech republicUNSPECIFIED
Faury, G.laboratoire d'astrophysique de marseille, franceUNSPECIFIED
Groussin, Olivierlab. d'astrophysique de marseille, franceUNSPECIFIED
Gutierrez, P.J.iaa-csic, granada, spainUNSPECIFIED
Jackman, C.H.nasa goddard space flight center, md, usaUNSPECIFIED
Keihm, S.Jet Propulsion Laboratory, California Institute of Technology, Pasadena, USAUNSPECIFIED
Keller, H. U.max-planck-institut für sonnensystemforschung, katlenburg-lindauUNSPECIFIED
Knollenberg, J.joerg.knollenberg (at) dlr.deUNSPECIFIED
Kührt, E.ekkehard.kuehrt (at) dlr.deUNSPECIFIED
Marchi, S.department of astronomy, university of paduaUNSPECIFIED
Mottola, S.stefano.mottola (at) dlr.deUNSPECIFIED
Palmer, E.planetary science institute, tucson, az, usaUNSPECIFIED
Schloerb, P.university of massachusetts, amherst, usaUNSPECIFIED
Sierks, H.max-planck-institut für sonnensystemforschung, katlenburg-lindau, germanyUNSPECIFIED
Vincent, J.B.max-planck-institut fuer sonnensystemforschung, germanyUNSPECIFIED
A'Hearn, M. F.university of maryland, department of astronomy, maryland, usaUNSPECIFIED
Barbieri, C.university of padova, padova, italyUNSPECIFIED
Rodrigo, Rafaelinstituto de astrofisica de andaluciaUNSPECIFIED
Koschny, Detlefestec, the netherlandsUNSPECIFIED
Rickman, Hansuppsala astronomical observatoryUNSPECIFIED
Barucci, M. A.observatoire de paris, meudon, franceUNSPECIFIED
Bartaux, J.-L.laboratoire atmosphères, milieux, observations spatiales, cnrs/uvsq/upmc, 11 boulevard d’alembert, 78280 guyancourt, franceUNSPECIFIED
Bertini, I.dipartimento di astronomia, università di padova, padova, italyUNSPECIFIED
Cremonese, G.osservatorio astronomico, padova, italyUNSPECIFIED
Da Deppo, V.consiglio nazionale delle ricerche-istituto nazionale per la fisica della materia, luxor, padova, italyUNSPECIFIED
Davidsson, B.astronomiska observatoriet, uppsala, swedenUNSPECIFIED
Debei, S.università di padova, center of studies and activities of space (cisas) "g.colombo", padova, italyUNSPECIFIED
De Cecco, M.università di padova, center of studies and activities of space (cisas) "g.colombo", padova, italyUNSPECIFIED
Fornasier, S.observatoire de paris-meudon, franceUNSPECIFIED
Fulle, M.inaf osservatorio astronomico di trieste, via tiepolo 11, 34143, trieste, italyUNSPECIFIED
Güttler, C.max-planck-institut für sonnensystemforschungUNSPECIFIED
Ip, W-H.institute for space science, national central university, chung li, taiwanUNSPECIFIED
Kramm, J. R.max planck institute for solar systems research, katlenburg-lindau, germanyUNSPECIFIED
Küppers, Michaelmax-planck-institut für sonnensystemforschungUNSPECIFIED
Lara López, Luisa M.iaa-csic granada, spainUNSPECIFIED
Lazzarin, M.department of astronomy, university of paduaUNSPECIFIED
Lopez Moreno, J.instituto de astrofifica de andalucia-consejo superior de investigaciones cientificas, granada, spainUNSPECIFIED
Marzari, F.università di padova, departimento di fisica, padova, italyUNSPECIFIED
Naletto, G.università di padova, departimento di elettronica et informatica, padova, italyUNSPECIFIED
Oklay, N.max-planck-institut für sonnensystemforschungUNSPECIFIED
Thomas, N.max-planck-institut für aeronomie, katlenburg-lindauUNSPECIFIED
Tubiana, C.max-planck-institut fuer sonnensystemforschung, germanyUNSPECIFIED
Wenzel, K.-P.Instituto de Astrofísica de Andalucía-CSIC, Granada, SpainUNSPECIFIED
Journal or Publication Title:Icarus
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In ISI Web of Science:Yes
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 Science and Exploration
DLR - Research area:Raumfahrt
DLR - Program:R EW - Erforschung des Weltraums
DLR - Research theme (Project):R - Projekt ROSETTA Instrumente, R - Projekt ROSETTA Lander
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:06 Sep 2019 15:26

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