Journal articles
Nitrogen-to-carbon atomic ratio measured by COSIMA in the particles of comet 67P/Churyumov–Gerasimenko
Nicolas Fray
1
Anaïs Bardyn
1, 2
Hervé Cottin
1
Donia Baklouti
3
Christelle Briois
2
Cécile Engrand
4
Henning Fischer
5
Klaus Hornung
5
Robin Isnard
6, 2
Yves Langevin
3
Harry Lehto
7
Léna Le Roy
8
Eva Maria Mellado
9
Sihane Merouane
5
Paola Modica
6, 2
François-Regis Orthous-Daunay
10
John Paquette
5
Jouni Ryno
11
Rita Schulz
Johan Silen
11
Sandra Siljeström
12
Oliver Stenzel
5
Laurent Thirkell
2
Kurt Varmuza
13
Boris Zaprudin
7
Jochen Kissel
5
Martin Hilchenbach
5
Robin Isnard 6, 2
Author
Yves Langevin 3
Author
Harry Lehto 7
Author
Léna Le Roy 8
Author IdHAL : lena-le-roy ORCID : https://orcid.org/0000-0002-5984-6153
Eva Maria Mellado 9
Author
Sihane Merouane 5
Author
Paola Modica 6, 2
Author
François-Regis Orthous-Daunay 10
Author
Sandra Siljeström 12
Author
Oliver Stenzel 5
Author
Laurent Thirkell 2
Author
Kurt Varmuza 13
Author
1
LISA (UMR_7583) - Laboratoire Interuniversitaire des Systèmes Atmosphériques ( Université Paris-Est Créteil Val de Marne - Bât. Lamarck case postale 7059 - Faculté des Sciences et Technologie 61 avenue du Général de Gaulle 94010 Créteil Cedex - France)
- CNRS - Centre National de la Recherche Scientifique : UMR_7583 (France)
- INSU - CNRS - Institut national des sciences de l'Univers : UMR_7583 (INSU-CNRS 3 rue Michel-Ange, 75794 Paris Cedex 16 - France)
- UP - Université de Paris : UMR_7583 (85 boulevard Saint-Germain 75006 Paris - France)
- UPEC UP12 - Université Paris-Est Créteil Val-de-Marne - Paris 12 : UMR_7583 (61 avenue du Général de Gaulle - 94010 Créteil cedex - France)
2
LPC2E - Laboratoire de Physique et Chimie de l'Environnement et de l'Espace (3A, Avenue de la Recherche Scientifique 45071 Orléans cedex 2 - France)
- OSUC - Observatoire des Sciences de l'Univers en région Centre : UMS3116 (Campus Géosciences, 1A rue de la Férollerie, 45071 Orléans - France)
- INSU - CNRS - Institut national des sciences de l'Univers (INSU-CNRS 3 rue Michel-Ange, 75794 Paris Cedex 16 - France)
- Observatoire de Paris (61 Av de l'Observatoire 75014 PARIS - France)
- PSL - Université Paris sciences et lettres (60 rue Mazarine 75006 Paris - France)
- UO - Université d'Orléans (Château de la Source - Avenue du Parc Floral - BP 6749 - 45067 Orléans cedex 2 - France)
- CNRS - Centre National de la Recherche Scientifique : UMS3116 (France)
- CNES - Centre National d’Études Spatiales [Paris] : UMR 7328 (Siège social : 2 place Maurice Quentin, 75039 Paris - France)
3
IAS - Institut d'astrophysique spatiale (bat. 121 91405 ORSAY CEDEX - France)
- UP11 - Université Paris-Sud - Paris 11 (Bâtiment 300 - 91405 Orsay cedex - France)
- INSU - CNRS - Institut national des sciences de l'Univers (INSU-CNRS 3 rue Michel-Ange, 75794 Paris Cedex 16 - France)
- CNRS - Centre National de la Recherche Scientifique : UMR8617 (France)
4
CSNSM - Centre de Sciences Nucléaires et de Sciences de la Matière (Bâtiments 104 et 108 91405 Orsay Campus - France)
- UP11 - Université Paris-Sud - Paris 11 (Bâtiment 300 - 91405 Orsay cedex - France)
- IN2P3 - Institut National de Physique Nucléaire et de Physique des Particules du CNRS (France)
- CNRS - Centre National de la Recherche Scientifique : UMR8609 (France)
5
MPS - Max-Planck-Institut für Sonnensystemforschung (Göttingen, Allemagne - Germany)
- Max-Planck-Gesellschaft (Jägerstrasse, 10-11, D-10117 Berlin - Germany)
6
LISA - Laboratoire Imagerie et Systèmes d'Acquisition (France)
- CEA - Commissariat à l'énergie atomique et aux énergies alternatives : DRT/DTBS/STD/LISA (Centre de Saclay Centre de Grenoble Centre de Cadarache etc - France)
7
University of Turku (20014 Turun yliopisto, Finland - Finland)
8
Universität Bern [Bern] (Hochschulstrasse 4 - CH-3012 Bern - Switzerland)
9
Universität der Bundeswehr München [Neubiberg] (Werner-Heisenberg-Weg 39, 85577 Neubiberg - Germany)
10
IPAG - Institut de Planétologie et d'Astrophysique de Grenoble (414, Rue de la Piscine BP 53 38041 Grenoble Cedex 9 - France)
- INSU - CNRS - Institut national des sciences de l'Univers (INSU-CNRS 3 rue Michel-Ange, 75794 Paris Cedex 16 - France)
- CNES - Centre National d'Études Spatiales [Toulouse] (18 avenue Edouard Belin 31401 Toulouse - France)
- CNRS - Centre National de la Recherche Scientifique (France)
- OSUG - Observatoire des Sciences de l'Univers de Grenoble (414 Rue de la piscine - BP 53 38041 GRENOBLE CEDEX 9 - France)
- Grenoble INP - Institut polytechnique de Grenoble - Grenoble Institute of Technology (46 avenue Félix Viallet 38031 Grenoble Cedex 1 - France)
- INSU - CNRS - Institut national des sciences de l'Univers (INSU-CNRS 3 rue Michel-Ange, 75794 Paris Cedex 16 - France)
- IRSTEA - Institut national de recherche en sciences et technologies pour l'environnement et l'agriculture (France)
- USMB [Université de Savoie] [Université de Chambéry] - Université Savoie Mont Blanc (27, rue Marcoz - 73000 Chambéry - France)
- CNRS - Centre National de la Recherche Scientifique : UMS832 (France)
- UGA [2016-2019] - Université Grenoble Alpes [2016-2019] (CS 40700 - 38058 Grenoble cedex - France)
11
FMI - Finnish Meteorological Institute (Erik Palmenin aukio 1, P.O. Box 503, 00 101 Helsinki, Finland - Finland)
12
RISE Research Institutes of Sweden (111 21 Stockholm - Sweden)
13
TU Wien - Technische Universität Wien (Karlsplatz 13, 1040 Vienna, Austria - Austria)
Abstract : The COmetary Secondary Ion Mass Analyzer (COSIMA) on board the Rosetta mission has analysed numerous cometary dust particles collected at very low velocities (a few m s(-1)) in the environment of comet 67P/Churyumov-Gerasimenko (hereafter 67P). In these particles, carbon and nitrogen are expected mainly to be part of the organic matter. We have measured the nitrogen-to-carbon (N/C) atomic ratio of 27 cometary particles. It ranges from 0.018 to 0.06 with an averaged value of 0.035 +/- 0.011. This is compatible with the measurements of the particles of comet 1P/Halley and is in the lower range of the values measured in comet 81P/Wild 2 particles brought back to Earth by the Stardust mission. Moreover, the averaged value found in 67P particles is also similar to the one found in the insoluble organic matter extracted from CM, CI and CR carbonaceous chondrites and to the bulk values measured in most interplanetary dust particles and micrometeorites. The close agreement of the N/C atomic ratio in all these objects indicates that their organic matters share some similarities and could have a similar chemical origin. Furthermore, compared to the abundances of all the detected elements in the particles of 67P and to the elemental solar abundances, the nitrogen is depleted in the particles and the nucleus of 67P as was previously inferred also for comet 1P/Halley. This nitrogen depletion could constrain the formation scenarios of cometary nuclei.
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Journal articles
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https://hal-insu.archives-ouvertes.fr/insu-02766152
Contributor : Nathalie Pothier <>
Submitted on : Thursday, June 4, 2020 - 9:01:42 AM
Last modification on : Thursday, April 15, 2021 - 3:08:15 PM
Long-term archiving on: : Thursday, December 3, 2020 - 12:24:58 PM
Contributor : Nathalie Pothier <>
Submitted on : Thursday, June 4, 2020 - 9:01:42 AM
Last modification on : Thursday, April 15, 2021 - 3:08:15 PM
Long-term archiving on: : Thursday, December 3, 2020 - 12:24:58 PM
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- HAL Id : insu-02766152, version 1
- DOI : 10.1093/mnras/stx2002
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Nicolas Fray, Anaïs Bardyn, Hervé Cottin, Donia Baklouti, Christelle Briois, et al.. Nitrogen-to-carbon atomic ratio measured by COSIMA in the particles of comet 67P/Churyumov–Gerasimenko. Monthly Notices of the Royal Astronomical Society, Oxford University Press (OUP): Policy P - Oxford Open Option A, 2017, 469 (Suppl_2), pp.S506-S516. ⟨10.1093/mnras/stx2002⟩. ⟨insu-02766152⟩
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