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On the nucleus structure and activity of comet 67P/Churyumov-Gerasimenko

Sierks, Holger and Barbieri, Cesare and Lamy, Philippe and Rodrigo, Rafael and Koschny, Detlef and Rickman, Hans and Keller, Horst Uwe and Agarwal, J. and A’Hearn, Michael and Angrilli, Francesco and Auger, Anne-Therese and Barucci, Antonella and Bertaux, J.-L. and Bertini, Ivano and Besse, Sebastien and Bodewits, Dennis and Capanna, Claire and Cremonese, Gabriele and Da Deppo, Vania and Davidsson, Björn and Debei, Stefan and De Cecco, Mariolino and Ferri, Francesca and Fornasier, Sonia and Fulle, Marco and Gaskell, Robert W and Giacomini, L. and Groussin, Olivier and Gutierrez-Marques, Pablo and Gutierrez Buenestado, Pedro and Güttler, Carsten and Hoekzema, Nick and Hviid, Stubbe and Ip, Wing-Huen and Jorda, Laurent and Knollenberg, Jörg and Kovács, Gabor and Kramm, Rainer and Kührt, Ekkehard and Küppers, Michael and La Forgia, Fiorangela and Lara, Luisa M. and Lazzarin, Monica and Leyrat, Cédric and Lopez Moreno, Josè and Magrin, Sara and Marchi, Simone and Marzari, Francesco and Massironi, Matteo and Michalik, Harald and Moissl, Richard and Mottola, Stefano and Naletto, Giampiero and Oklay, Nilda and Pajola, Maurizio and Pertile, Marco and Preusker, Frank and Sabau, Lola and Scholten, Frank and Snodgrass, Colin and Thomas, Nicolas and Tubiana, Cecilia and Vincent, Jean-Baptiste and Wenzel, Klaus-Peter and Zaccariotto, Mirco and Pätzold, Martin (2015) On the nucleus structure and activity of comet 67P/Churyumov-Gerasimenko. Science, 347 (6220), aaa1044-1. American Association for the Advancement of Science (AAAS). doi: 10.1126/science.aaa1044. ISSN 0036-8075.

Full text not available from this repository.

Official URL: http://www.sciencemag.org/content/347/6220/aaa1044.full.html

Abstract

Images from the OSIRIS scientific imaging system onboard Rosetta show that the nucleus of 67P/Churyumov-Gerasimenko consists of two lobes connected by a short neck. The nucleus has a bulk density less than half that of water. Activity at a distance from the Sun of >3 astronomical units is predominantly from the neck, where jets have been seen consistently. The nucleus rotates about the principal axis of momentum. The surface morphology suggests that the removal of larger volumes of material, possibly via explosive release of subsurface pressure or via creation of overhangs by sublimation, may be a major mass loss process. The shape raises the question of whether the two lobes represent a contact binary formed 4.5 billion years ago, or a single body where a gap has evolved via mass loss.

Item URL in elib:https://elib.dlr.de/98643/
Document Type:Article
Title:On the nucleus structure and activity of comet 67P/Churyumov-Gerasimenko
Authors:
AuthorsInstitution or Email of AuthorsAuthor's ORCID iDORCID Put Code
Sierks, HolgerUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Barbieri, CesareUniversity of Padua, Dept. of Astronomy, Padova, ItalyUNSPECIFIEDUNSPECIFIED
Lamy, PhilippeLaboratoire d'Astrophysique MarseilleUNSPECIFIEDUNSPECIFIED
Rodrigo, RafaelInstituto de Astrofisica de AndaluciaUNSPECIFIEDUNSPECIFIED
Koschny, DetlefResearch and Scientific Support Dept, ESA, Noordwik, The NetherlandsUNSPECIFIEDUNSPECIFIED
Rickman, HansDepartment of Astronomy and Space Physics, Uppsala University, Box 515, SE-75120 Uppsala, SwedenUNSPECIFIEDUNSPECIFIED
Keller, Horst UweMax-Planck-Institute for Solar System Research, Katlenburg-LindauUNSPECIFIEDUNSPECIFIED
Agarwal, J.Max-Planck-Institut für SonnensystemforschungUNSPECIFIEDUNSPECIFIED
A’Hearn, MichaelMax-Planck-Institut für Sonnensystemforschung, 37077 Göttingen, GermanyUNSPECIFIEDUNSPECIFIED
Angrilli, FrancescoUniv. of Padova, ItalyUNSPECIFIEDUNSPECIFIED
Auger, Anne-ThereseAix Marseille Université, CNRS, Laboratoire d’Astrophysique de Marseille, UMR 7326, 13388 Marseille, FranceUNSPECIFIEDUNSPECIFIED
Barucci, AntonellaObservatoire de Paris-Meudon, FranceUNSPECIFIEDUNSPECIFIED
Bertaux, J.-L.LATMOS, Université Versailles Saint-Quentin-en-Yvelines (UVSQ), Guyancourt, FranceUNSPECIFIEDUNSPECIFIED
Bertini, IvanoUniversita di PadovaUNSPECIFIEDUNSPECIFIED
Besse, SebastienDepartment of Astronomy, University of Maryland, MD 20742-2421, USAUNSPECIFIEDUNSPECIFIED
Bodewits, DennisDepartment of Astronomy, University of Maryland, College Park, MD 20742, USAUNSPECIFIEDUNSPECIFIED
Capanna, ClaireLaboratoire d'Astrophysique de Marseille, FranceUNSPECIFIEDUNSPECIFIED
Cremonese, GabrieleINAF Osservatorio Astronomico di PadovaUNSPECIFIEDUNSPECIFIED
Da Deppo, VaniaConsiglio Nazionale delle Ricerche-Istituto Nazionale per la Fisica della Materia, Luxor, Padova, ItalyUNSPECIFIEDUNSPECIFIED
Davidsson, BjörnDepartment of Physics and Astronomy, Uppsala University, Uppsala, SwedenUNSPECIFIEDUNSPECIFIED
Debei, StefanUniversità di Padova, Center of Studies and Activities of Space (CISAS) "G.Colombo", Padova, ItalyUNSPECIFIEDUNSPECIFIED
De Cecco, MariolinoUniversità di Padova, Center of Studies and Activities of Space (CISAS) "G.Colombo", Padova, ItalyUNSPECIFIEDUNSPECIFIED
Ferri, FrancescaCISAS, Università di Padova, Padua, ItalyUNSPECIFIEDUNSPECIFIED
Fornasier, SoniaObservatoire de Paris-Meudon, FranceUNSPECIFIEDUNSPECIFIED
Fulle, MarcoINAF - Osservatorio Astronomico di Trieste, 34014 Trieste, ItalyUNSPECIFIEDUNSPECIFIED
Gaskell, Robert WPlanetary Science Institute, Tucson, CA, United States.UNSPECIFIEDUNSPECIFIED
Giacomini, L.University of PadovaUNSPECIFIEDUNSPECIFIED
Groussin, OlivierLab. d'Astrophysique de Marseille, FranceUNSPECIFIEDUNSPECIFIED
Gutierrez-Marques, PabloMax Planck Institute for Solar System ResearchUNSPECIFIEDUNSPECIFIED
Gutierrez Buenestado, PedroIAA-CSIC Granada, SpainUNSPECIFIEDUNSPECIFIED
Güttler, CarstenMax-Planck-Institut für SonnensystemforschungUNSPECIFIEDUNSPECIFIED
Hoekzema, NickMPS Katlenburg-LindauUNSPECIFIEDUNSPECIFIED
Hviid, StubbeMPI für SonnensystemforschungUNSPECIFIEDUNSPECIFIED
Ip, Wing-HuenInstitute for Space Science, National Central University, Chung Li, TaiwanUNSPECIFIEDUNSPECIFIED
Jorda, LaurentLaboratoire d'Astrophysique MarseilleUNSPECIFIEDUNSPECIFIED
Knollenberg, JörgUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Kovács, GaborMTA-SE Research Group for Biophysics, Hungarian Academy of Sciences, H-1088 Budapest, Puskin u. 9, HungaryUNSPECIFIEDUNSPECIFIED
Kramm, RainerMax-Planck-Institut für SonnensystemforschungUNSPECIFIEDUNSPECIFIED
Kührt, EkkehardUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Küppers, MichaelMax-Planck Institut für SonnensystemforschungUNSPECIFIEDUNSPECIFIED
La Forgia, FiorangelaDepartment of Physics and Astronomy, University of Padova, 35122 Padova, ItalyUNSPECIFIEDUNSPECIFIED
Lara, Luisa M.IAA-CSIC Granada, SpainUNSPECIFIEDUNSPECIFIED
Lazzarin, MonicaDepartment of Astronomy, University of PaduaUNSPECIFIEDUNSPECIFIED
Leyrat, CédricUniversità di Padova, Via Venezia 15, 35131 Padova, Italy)UNSPECIFIEDUNSPECIFIED
Lopez Moreno, JosèInstituto de Astrofifica de Andalucia-Consejo Superior de Investigaciones Cientificas, Granada, SpainUNSPECIFIEDUNSPECIFIED
Magrin, SaraDipartimento di Astronomia, Università di Padova, Padova, ItalyUNSPECIFIEDUNSPECIFIED
Marchi, SimoneDepartment of Astronomy, University of PaduaUNSPECIFIEDUNSPECIFIED
Marzari, FrancescoUniversità di Padova, Departimento di Fisica, Padova, ItalyUNSPECIFIEDUNSPECIFIED
Massironi, MatteoINAF, Padova, IUNSPECIFIEDUNSPECIFIED
Michalik, HaraldInstitut für Datentechnik und Kommunikationsnetze (IDA), Technische Universität Braunschweig, Hans-Sommer-Str. 66, 38106 Braunschweig, GermanyUNSPECIFIEDUNSPECIFIED
Moissl, RichardMax-Planck-Institut für Sonnensystemforschung, Katlenburg-LindauUNSPECIFIEDUNSPECIFIED
Mottola, StefanoUNSPECIFIEDhttps://orcid.org/0000-0002-0457-3872UNSPECIFIED
Naletto, GiampieroUniversità di Padova, Departimento di Elettronica et Informatica, Padova, ItalyUNSPECIFIEDUNSPECIFIED
Oklay, NildaMax-Planck-Institut für SonnensystemforschungUNSPECIFIEDUNSPECIFIED
Pajola, MaurizioCISAS - Center for Studies and Activities for Space, University of PadovaUNSPECIFIEDUNSPECIFIED
Pertile, MarcoCISAS - Center for Studies and Activities for Space, University of PadovaUNSPECIFIEDUNSPECIFIED
Preusker, FrankUNSPECIFIEDhttps://orcid.org/0000-0001-9005-4202UNSPECIFIED
Sabau, LolaInstituto Nacional de Técnica Aérospacial, Torrejon de Ardoz, SpainUNSPECIFIEDUNSPECIFIED
Scholten, FrankUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Snodgrass, ColinMax-Planck-Institut für Sonnensystemforschung, Göttingen, GermanyUNSPECIFIEDUNSPECIFIED
Thomas, NicolasMax-Planck-Institut für Aeronomie, Katlenburg-LindauUNSPECIFIEDUNSPECIFIED
Tubiana, CeciliaMPI für Sonnensystemforschung, Katlenburg-Lindau, GermanyUNSPECIFIEDUNSPECIFIED
Vincent, Jean-BaptisteMPI für SonnensystemforschungUNSPECIFIEDUNSPECIFIED
Wenzel, Klaus-PeterResearch and Scientific Support Department, European Space Agency, 2201 Noordwijk, The NetherlandsUNSPECIFIEDUNSPECIFIED
Zaccariotto, MircoCISAS, Padova Univ., Padova, ItalyUNSPECIFIEDUNSPECIFIED
Pätzold, MartinUniv. Cologne, GermanyUNSPECIFIEDUNSPECIFIED
Date:23 January 2015
Journal or Publication Title:Science
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In SCOPUS:Yes
In ISI Web of Science:Yes
Volume:347
DOI:10.1126/science.aaa1044
Page Range:aaa1044-1
Publisher:American Association for the Advancement of Science (AAAS)
Series Name:Comtary Science
ISSN:0036-8075
Status:Published
Keywords:comets, comet 67P, nucleus strcutcure, activity
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)
Location: Berlin-Adlershof
Institutes and Institutions:Institute of Planetary Research > Asteroids and Comets
Institute of Planetary Research > Planetary Geodesy
Deposited By: Bründl, Tara-Marie
Deposited On:19 Oct 2015 10:50
Last Modified:08 Mar 2018 18:51

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