Journal articles
Thermal modelling of water activity on comet 67P/Churyumov-Gerasimenko with global dust mantle and plural dust-to-ice ratio
Xuanyu Hu 1, 2 Xian Shi 1 Holger Sierks 1 Jürgen Blum 2 Jürgen Oberst 3, 4, 5 Marco Fulle 6 Ekkehard Kührt 7 Carsten Güttler 1 Bastian Gundlach 2 Horst Uwe Keller 2, 7 Stefano Mottola 7 Maurizio Pajola 8 Cesare Barbieri 9 Philippe L. Lamy 10 Rafael Rodrigo 11, 12 Detlef Koschny 13 Hans Rickman 14, 15 Jessica Agarwal 1 Michael F. A'Hearn 16 Maria Antonella Barucci 17 Jean-Loup Bertaux 18 Ivano Bertini 9 Steve Boudreault 1 Irene Büttner 1 Gabriele Cremonese 19 Vania da Deppo 20 Björn Davidsson 21 Stefano Debei 22 Mariolino de Cecco 23 Jakob Deller 1 Sonia Fornasier 17 Olivier Groussin 10 Pedro J. Gutiérrez 24 Pablo Gutiérrez-Marqués 1 Ian Hall 1 Marc Hofmann 1 Stubbe F. Hviid 25 Wing-Huen Ip 26 Laurent Jorda 10 Jörg Knollenberg 7 Gabor Kovacs 1 J.-Rainer Kramm 1 Michael Küppers 27 Luisa M. Lara 24 Monica Lazzarin 9 José J. López-Moreno 24 Francesco Marzari 9 Giampiero Naletto 28, 20, 29 Nilda Oklay 7 Michael L. Richards 1 Joachim Ripken 1 Nicolas Thomas 30, 31 Cécilia Tubiana 1 Jean-Baptiste Vincent 7
Bastian Gundlach 2
Author
Horst Uwe Keller 2, 7
Author
Stefano Mottola 7
Author
Maurizio Pajola 8
Author
ORCID : 0000-0002-3144-1277
Cesare Barbieri 9
Author
ORCID : 0000-0002-6257-9076
Philippe L. Lamy 10
Author
Rafael Rodrigo 11, 12
Author
Detlef Koschny 13
Author
Hans Rickman 14, 15
Author
Jessica Agarwal 1
Author
Michael F. A'Hearn 16
Author
Maria Antonella Barucci 17
Author
Gabriele Cremonese 19
Author
Vania da Deppo 20
Author
ORCID : 0000-0001-6273-8738
Björn Davidsson 21
Author
Stefano Debei 22
Author
Stubbe F. Hviid 25
Author
Wing-Huen Ip 26
Author
ORCID : 0000-0001-5368-386X
Laurent Jorda 10
Author
IdHAL : laurent-jordaORCID : 0000-0001-8735-3308IdRef : 180975161
Jörg Knollenberg 7
Author
Gabor Kovacs 1
Author
J.-Rainer Kramm 1
Author
Michael Küppers 27
Author
ORCID : 0000-0002-5666-8582
Luisa M. Lara 24
Author
Monica Lazzarin 9
Author
José J. López-Moreno 24
Author
Francesco Marzari 9
Author
Giampiero Naletto 28, 20, 29
Author
ORCID : 0000-0003-2007-3138
Nilda Oklay 7
Author
Michael L. Richards 1
Author
Joachim Ripken 1
Author
Nicolas Thomas 30, 31
Author
ORCID : 0000-0002-0146-0071
Cécilia Tubiana 1
Author
Jean-Baptiste Vincent 7
Author
1
MPS - Max-Planck-Institut für Sonnensystemforschung (Göttingen, Allemagne - Germany)
- Max-Planck-Gesellschaft (Jägerstrasse, 10-11, D-10117 Berlin - Germany)
2
IGEP - Institut für Geophysik und Extraterrestrische Physik [Braunschweig] (Mendelssohnstr. 3, D-38106 Braunschweig - Germany)
- Technische Universität Braunschweig = Technical University of Braunschweig [Braunschweig] (38092 Braunschweig - Germany)
3
TU - Technische Universität Berlin (Straße des 17. Juni 135 10623 Berlin - Germany)
4
Institut für Geodäsie und Geoinformationstechnik (Straße des 17. Juni 135, 10623 Berlin - Germany)
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5
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6
OAT - INAF - Osservatorio Astronomico di Trieste (Via G.B. Tiepolo 11 34143 TRIESTE, Italy - Italy)
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7
DLR Institut für Planetenforschung (Berlin - Germany)
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8
ARC - NASA Ames Research Center (Moffett Field, California 94035 - United States)
9
Dipartimento di Fisica e Astronomia "Galileo Galilei" (via Marzolo 8, I-35131 Padova - Italy)
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10
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11
ISSI - International Space Science Institute [Bern] (Hallerstrasse 6 3012 Bern - Switzerland)
12
CAB - Centro de Astrobiologia [Madrid] (28850 Torrejón de Ardoz, Madrid - Spain)
- INTA - Instituto Nacional de Técnica Aeroespacial ( Torrejón de Ardoz, Madrid - Spain)
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13
ESTEC - European Space Research and Technology Centre (Keplerlaan 1, 2201 Noordwijk - Netherlands)
- ESA - European Space Agency (France)
14
CBK - Space Research Centre of Polish Academy of Sciences (Bartycka 18A, 00-716 Warsaw, Poland - Poland)
15
Department of Physics and Astronomy [Uppsala] (751 05 Uppsala - Sweden)
- Uppsala University (Box 256, SE-751 05 Uppsala - Sweden)
16
Department of Astronomy [College Park] (United States)
- University of Maryland [College Park] (College Park, MD 20742 - United States)
- University of Maryland System (United States)
17
LESIA - Laboratoire d'études spatiales et d'instrumentation en astrophysique (5, place Jules Janssen 92190 MEUDON - France)
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- Observatoire de Paris (61 Av de l'Observatoire 75014 PARIS - France)
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- CNRS - Centre National de la Recherche Scientifique : UMR8109 (France)
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19
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20
IFN - CNR Institute for Photonics and Nanotechnologies (Italy)
- CNR - Consiglio Nazionale delle Ricerche [Roma] (Piazzale Aldo Moro,7 - 00185, Roma - Italy)
21
JPL - Jet Propulsion Laboratory (4800 Oak Grove Drive, Pasadena, CA 91109-8099, USA - United States)
- NASA (www.nasa.gov - United States)
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22
Department of Industrial Engineering [Padova] (Dipartimento di Ingegneria Industriale, Via Gradenigo, 6/a, 35131 Padova - Italy)
- Unipd - Università degli Studi di Padova = University of Padua (Via 8 Febbraio 2, 35122 Padova - Italy)
23
University of Trento [Trento] (via Calepina, 14 - I-38122 Trento
- Italy)
24
IAA - Instituto de Astrofísica de Andalucía (Granada E-18008 - Spain)
- CSIC - Consejo Superior de Investigaciones Científicas [Madrid] (Spanish National Research Council Serrano 117, 28006 Madrid - Spain)
26
Institute of Space Science [Taiwan] (Taoyuan City 32001, Taiwan - Taiwan)
- NCU - National Central University [Taiwan] (300, Zhongda Road, Zhongli District, Taoyuan City, Taïwan 320 - Taiwan)
27
Operations Department (ESAC) (PO Box 78, 28691 Villanueva de la Canada, Madrid - Spain)
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- Spain)
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28
CISAS - Centro di Ateneo di Studi e Attività Spaziali “Giuseppe Colombo” (Via Venezia 15, 35131 Padova, Italie - Italy)
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29
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35131 Padova - Italy)
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30
Physikalisches Institut [Bern] (Sidlerstr. 5, 3012 Bern - Switzerland)
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31
CSH - Center for Space and Habitability (University of Bern,
Hochschulstrasse 4,
3012 Bern - Switzerland)
- University of Bern (Hochschulstrasse 4, 3012 Bern, Switzerland - Switzerland)
Abstract : We perform a thermo-physical analysis on water activity of comet 67P/Churyumov-Gerasimenko (67P). The sublimation of water is assumed to occur from beneath a global, desiccated dust mantle over the irregular-shaped nucleus. The concept of two thermal models, the recipe of model formulation and the strategy of application to comet 67P are described. For an accurate and efficient evaluation of energy input by insolation and self-heating over the nucleus, a Landscape data base is devised based on polyhedral shape models of the nucleus. We apply the thermal models to investigate the impact of certain parameters of nucleus properties on water production. It is found that the measured water production of 67P can be overall attributed to sublimation of water ice with a mass abundance of a few to 10 per cent beneath a uniform dust mantle of several millimetres to one centimetre in thickness. Insofar as 67P is concerned, we argue against the necessity to invoke assumptions on localized water activity, or on the distinction of active/dormant surface areas.
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Journal articles
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https://hal-insu.archives-ouvertes.fr/insu-01574567
Contributor : Catherine Cardon Connect in order to contact the contributor
Submitted on : Wednesday, May 9, 2018 - 4:40:21 PM
Last modification on : Friday, November 25, 2022 - 7:07:32 PM
Long-term archiving on: : Tuesday, September 25, 2018 - 2:48:02 AM
Contributor : Catherine Cardon Connect in order to contact the contributor
Submitted on : Wednesday, May 9, 2018 - 4:40:21 PM
Last modification on : Friday, November 25, 2022 - 7:07:32 PM
Long-term archiving on: : Tuesday, September 25, 2018 - 2:48:02 AM
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- HAL Id : insu-01574567, version 1
- DOI : 10.1093/mnras/stx1607
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Citation
Xuanyu Hu, Xian Shi, Holger Sierks, Jürgen Blum, Jürgen Oberst, et al.. Thermal modelling of water activity on comet 67P/Churyumov-Gerasimenko with global dust mantle and plural dust-to-ice ratio. Monthly Notices of the Royal Astronomical Society, 2017, 469 (Suppl_2), pp.S295 - S311. ⟨10.1093/mnras/stx1607⟩. ⟨insu-01574567⟩
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