Zobrazeno 1 - 10 of 31 pro vyhledávání: '"Thierry Sémon"'
1
A comparison between the two lobes of comet 67P/Churyumov–Gerasimenko based on D/H ratios in H2O measured with the Rosetta/ROSINA DFMS
Autor: Michael R. Combi, Thierry Sémon, Susanne F. Wampfler, Yinsi Shou, Peter Wurz, Hans Balsiger, Martin Rubin, Kenneth C. Hansen, Isaac R. H. G. Schroeder I, Valeriy Tenishev, Johan De Keyser, Tamas I. Gombosi, S. A. Fuselier, Kathrin Altwegg, Björn Fiethe, Jean-Jacques Berthelier
Publikováno v: Monthly Notices of the Royal Astronomical Society
Monthly Notices of the Royal Astronomical Society, Oxford University Press (OUP): Policy P-Oxford Open Option A, 2019, 489, pp.4734-4740. ⟨10.1093/mnras/stz2482⟩
The nucleus of the Jupiter-family comet 67P/Churyumov–Gerasimenko was discovered to be bi-lobate in shape when the European Space Agency spacecraft Rosetta first approached it in 2014 July. The bi-lobate structure of the cometary nucleus has led to
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::12c25bb77cdd933bfcdadff578769af0
https://doi.org/10.1093/mnras/stz2482
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2
CHO-Bearing Molecules in Comet 67P/Churyumov-Gerasimenko
Autor: Chia-Yu Tzou, Sébastien Gasc, Johan De Keyser, Thierry Sémon, Stephen A. Fuselier, Tamas I. Gombosi, Hans Balsiger, Martin Rubin, Jean-Jacques Berthelier, Kathrin Altwegg, Markus Schuhmann, Nora Hänni, Susanne F. Wampfler
Publikováno v: ACS Earth and Space Chemistry
ACS Earth and Space Chemistry, ACS, 2019, 3 (9), pp.1854-1861. ⟨10.1021/acsearthspacechem.9b00094⟩
In 2004, the Rosetta spacecraft was sent to comet 67P/Churyumov-Gerasimenko for the first ever long-term investigation of a comet. After its arrival in 2014, the spacecraft spent more than two years in immediate proximity to the comet. During these t
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4f51586faae05eb34a442b771d6e7a02
https://doi.org/10.1021/acsearthspacechem.9b00094
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3
Evidence of ammonium salts in comet 67P as explanation for the nitrogen depletion in cometary comae
Autor: Frederik Dhooghe, Thierry Sémon, S. A. Fuselier, Susanne F. Wampfler, Tamas I. Gombosi, Kathrin Altwegg, Markus Schuhmann, Jean-Jacques Berthelier, Martin Rubin, M. R. Combi, Johan De Keyser, Hans Balsiger, Hervé Cottin, Isaac Schroeder, Christelle Briois, Nora Hänni, Björn Fiethe
Publikováno v: Nature Astronomy
Nature Astronomy, Nature Publishing Group, 2020, 4, pp.533-540. ⟨10.1038/s41550-019-0991-9⟩
Nature Astronomy, Nature Publishing Group, 2020, (in press). ⟨10.1038/s41550-019-0991-9⟩
Cometary comae are generally depleted in nitrogen. The main carriers for volatile nitrogen in comets are NH3 and HCN. It is known that ammonia readily combines with many acids, such as HCN, HNCO and HCOOH, encountered in the interstellar medium as we
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2769816eabe6d0662f2e158e21b34f8d
https://hal-insu.archives-ouvertes.fr/insu-02411099/file/1911.13005.pdf
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4
ROSINA ion zoo at Comet 67P
Autor: Martin Rubin, Arnaud Beth, Marina Galand, Tamas I. Gombosi, Kathrin Altwegg, Michael R. Combi, Thierry Sémon, Stephen A. Fuselier, J. De Keyser, Jean-Jacques Berthelier, Hans Balsiger, Björn Fiethe
Publikováno v: Beth, A.; Altwegg, Kathrin; Balsiger, Hans; Berthelier, J.-J.; Combi, M. R.; De Keyser, J.; Fiethe, B.; Fuselier, S. A.; Galand, M.; Gombosi, T. I.; Rubin, Martin; Sémon, Thierry (2020). ROSINA ion zoo at Comet 67P. Astronomy and astrophysics, 642, A27. EDP Sciences 10.1051/0004-6361/201936775
Astronomy and Astrophysics-A&A
Astronomy and Astrophysics-A&A, EDP Sciences, 2020, 642, A27 (23 p.). ⟨10.1051/0004-6361/201936775⟩
The Rosetta spacecraft escorted Comet 67P/Churyumov-Gerasimenko for 2 years along its journey through the Solar System between 3.8 and 1.24~au. Thanks to the high resolution mass spectrometer on board Rosetta, the detailed ion composition within a co
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4cd79871153a5723936814b47f56dc26
http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-176546
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5
Evidence for distributed gas sources of hydrogen halides in the coma of comet 67P/Churyumov–Gerasimenko
Autor: Michael R. Combi, Thierry Sémon, Christelle Briois, Myrtha Hässig, Tamas I. Gombosi, Chia-Yu Tzou, Hans Balsiger, Sébastien Gasc, Frederik Dhooghe, Henri Rème, Gaël Cessateur, Eddy Equeter, Andrew Gibbons, Jean-Jacques Berthelier, Léna Le Roy, Kathrin Altwegg, Peter Wurz, Björn Fiethe, Ursina Calmonte, Stephen A. Fuselier, Urs Mall, Johan De Keyser, Martin Rubin, Eddy Neefs, Bernard Marty, Herbert Gunell, Romain Maggiolo
Publikováno v: Monthly Notices of the Royal Astronomical Society
Monthly Notices of the Royal Astronomical Society, Oxford University Press (OUP): Policy P-Oxford Open Option A, 2017, 469 (Suppl_2), pp.S695-S711. ⟨10.1093/mnras/stx2725⟩
Monthly Notices of the Royal Astronomical Society, 2017, 469 (Suppl_2), pp.S695-S711. ⟨10.1093/mnras/stx2725⟩
De Keyser, Johan; Dhooghe, Frederik; Altwegg, Kathrin; Balsiger, Hans; Berthelier, Jean-Jacques; Briois, Christelle; Calmonte, Ursina Maria; Cessateur, Gaël; Combi, Michael R.; Equeter, Eddy; Fiethe, Björn; Fuselier, Stephen; Gasc, Sébastien; Gibbons, Andrew; Gombosi, Tamas; Gunell, Herbert; Hässig, Myrtha; Le Roy, Léna; Maggiolo, Romain; Mall, Urs; ... (2017). Evidence for distributed gas sources of hydrogen halides in the coma of comet 67P/Churyumov-Gerasimenko. Monthly notices of the Royal Astronomical Society, 469(Suppl_2), S695-S711. Oxford University Press 10.1093/mnras/stx2725
International audience; Rosetta has detected the presence of the hydrogen halides HF, HCl, and HBr in the coma of comet 67P/Churyumov-Gerasimenko. These species are known to freeze out on icy grains in molecular clouds. Analysis of the abundances of
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a8529bdb687fe46b06b83ca094107693
https://doi.org/10.1093/mnras/stx2725
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6
Two years with comet 67P/Churyumov-Gerasimenko: H2O, CO2, and CO as seen by the ROSINA/RTOF instrument of Rosetta
Autor: Thierry Sémon, Annette Jäckel, Peter Wurz, Philippe Garnier, Kathrin Altwegg, Ulrich Mall, Jérémie Lasue, Henri Rème, H. Gourlaouen, Ursina Calmonte, A. Korth, J. H. Waite, Martin Rubin, M. Hoang, Léna Le Roy, Arnaud Beth, B. Fiethe, Sébastien Gasc, André Galli, Chia-Yu Tzou, Hans Balsiger
Publikováno v: Astronomy and Astrophysics-A&A
Astronomy and Astrophysics-A&A, 2019, 630, ⟨10.1051/0004-6361/201834226⟩
Context. The ESA Rosetta mission investigated the environment of comet 67P/Churyumov-Gerasimenko (hereafter 67P) from August 2014 to September 2016. One of the experiments on board the spacecraft, the Rosetta Orbiter Spectrometer for Ion and Neutral
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2500edf738d529c27e58815c67f512eb
https://hal-insu.archives-ouvertes.fr/insu-03674404
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7
Elemental and Molecular Abundances in Comet 67P/Churyumov-Gerasimenko
Autor: Hans Balsiger, Sébastien Gasc, Henri Rème, Kathrin Altwegg, Markus Schuhmann, Nora Hänni, Martin Rubin, Isaac Schroeder, Kenneth C. Hansen, Jean-Jacques Berthelier, Björn Fiethe, Tamas I. Gombosi, Urs Mall, Stephen A. Fuselier, Susanne F. Wampfler, Johan De Keyser, Michael R. Combi, Thierry Sémon, Peter Wurz, Maria Drozdovskaya, Jack H. Waite
Publikováno v: Rubin, Martin; Altwegg, Kathrin; Balsiger, Hans; Berthelier, Jean-Jacques; Combi, Michael R; De Keyser, Johan; Drozdovskaya, Maria; Fiethe, Björn; Fuselier, Stephen A; Gasc, Sébastien; Gombosi, Tamas I; Hänni, Nora; Hansen, Kenneth C; Mall, Urs; Rème, Henri; Isaac R.H.G., Schroeder; Schuhmann, Markus; Sémon, Thierry; Waite, Jack H; Wampfler, Susanne; ... (2019). Elemental and Molecular Abundances in Comet 67P/Churyumov-Gerasimenko. Monthly notices of the Royal Astronomical Society, 489(1), pp. 594-607. Oxford University Press 10.1093/mnras/stz2086
Monthly Notices of the Royal Astronomical Society
Monthly Notices of the Royal Astronomical Society, Oxford University Press (OUP): Policy P-Oxford Open Option A, 2019, 489 (1), pp.594-607. ⟨10.1093/mnras/stz2086⟩
Monthly Notices of the Royal Astronomical Society, 2019, 489 (1), pp.594-607. ⟨10.1093/mnras/stz2086⟩
Comets are considered to be some of the most pristine and unprocessed solar system objects accessible to in-situ exploration. Investigating their molecular and elemental composition takes us on a journey back to the early period of our solar system a
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::773ba4ed6ec59f5ff2a7ede846c357fb
https://boris.unibe.ch/132688/1/stz2086.pdf
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8
Ionospheric plasma of comet 67P probed byRosettaat 3 au from the Sun
Autor: Martin Rubin, Jean-Pierre Lebreton, Peter Wurz, A. J. Allen, Elias Odelstad, Karl-Heinz Glassmeier, T. W. Broiles, Anders Eriksson, Luc Sagnières, Erik Vigren, Kathleen Mandt, James L. Burch, Xavier Vallières, Chia-Yu Tzou, Chris Carr, K. L. Heritier, Steven J. Schwartz, F. L. Johansson, Arnaud Beth, Thierry Sémon, Emanuele Cupido, Hans Nilsson, Pierre Henri, Marina Galand, Kathrin Altwegg, Ingo Richter
Publikováno v: S351
S331
Monthly Notices of the Royal Astronomical Society
Monthly Notices of the Royal Astronomical Society, Oxford University Press (OUP): Policy P-Oxford Open Option A, 2016, 462 (1), pp.S331-S351. ⟨10.1093/mnras/stw2891⟩
Galand, M.; Héritier, K. L.; Odelstad, E.; Henri, P.; Broiles, T. W.; Allen, A. J.; Altwegg, Kathrin; Beth, A.; Burch, J. L.; Carr, C. M.; Cupido, E.; Eriksson, A. I.; Glassmeier, K.-H.; Johansson, F. L.; Lebreton, J.-P.; Mandt, K. E.; Nilsson, H.; Richter, I.; Rubin, Martin; Sagnières, L. B. M.; ... (2016). Ionospheric plasma of comet 67P probed by Rosetta at 3 au from the Sun. Monthly notices of the Royal Astronomical Society, 462(Suppl 1), S331-S351. Oxford University Press 10.1093/mnras/stw2891
We propose to identify the main sources of ionization of the plasma in the coma of comet 67P/Churyumov-Gerasimenko at different locations in the coma and to quantify their relative importance, for the first time, for close cometocentric distances (<
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7a8fff7f8e2dbaaa49cd4138376d01f6
https://doi.org/10.1093/mnras/stw2891
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9
ROSINA/DFMS and IES observations of 67P: Ion-neutral chemistry in the coma of a weakly outgassing comet
Autor: André Bieler, M. Rinaldi, Martin Rubin, Michael R. Combi, Thierry Sémon, Kathrin Altwegg, J. H. Waite, Hans Balsiger, Jean-Jacques Berthelier, Stephen A. Fuselier, J. De Keyser, Myrtha Hässig, Chia-Yu Tzou, C. Briois, Peter Wurz, Herbert Gunell, Henri Rème, Kirk C. Hansen, Susarla Raghuram, Ulrich Mall, Gaël Cessateur, M. Galand, S. M. Petrinec, Annette Jäckel, A. Korth, James L. Burch, K. J. Trattner, E. Vigren, B. Fiethe, Tamas I. Gombosi, Kathleen Mandt, Léna Le Roy, T. W. Broiles, Ursina Calmonte, Sébastien Gasc
Publikováno v: Astronomy & Astrophysics
Astronomy and Astrophysics-A&A
Astronomy and Astrophysics-A&A, EDP Sciences, 2015, 583, A2 (13 p.). 〈10.1051/0004-6361/201526210〉
Astronomy and Astrophysics-A&A, EDP Sciences, 2015, 583, A2 (13 p.). ⟨10.1051/0004-6361/201526210⟩
Astronomy and Astrophysics-A&A, 2015, 583, A2 (13 p.). ⟨10.1051/0004-6361/201526210⟩
ResearcherID
International audience; The Rosetta encounter with comet 67P/Churyumov-Gerasimenko provides a unique opportunity for an in situ, up-close investigation of ion-neutral chemistry in the coma of a weakly outgassing comet far from the Sun.Observations of
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d4c291f956d1175e77170ca02457af97
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10
Sulphur isotope mass-independent fractionation observed in comet 67P/Churyumov–Gerasimenko by Rosetta/ROSINA
Autor: Sébastien Gasc, B. Fiethe, Tamas I. Gombosi, Chia-Yu Tzou, Ursina Calmonte, Thierry Sémon, Hans Balsiger, Martin Rubin, André Bieler, Susanne F. Wampfler, Kathrin Altwegg, Léna Le Roy, J-J Berthelier, J. De Keyser, Stephen A. Fuselier
Publikováno v: Monthly Notices of the Royal Astronomical Society
Monthly Notices of the Royal Astronomical Society, Oxford University Press (OUP): Policy P-Oxford Open Option A, 2017, 469 (suppl_2), pp.S787-S803. ⟨10.1093/mnras/stx2534⟩
Monthly Notices of the Royal Astronomical Society, Oxford University Press (OUP): Policy P-Oxford Open Option A, 2017, 469 (suppl_2), pp.S787-S803. 〈10.1093/mnras/stx2534〉
Calmonte, Ursina Maria; Altwegg, K; Balsiger, Hans; Berthelier, J-J; Bieler, A; De Keyser, J; Fiethe, B; Fuselier, S A; Gasc, Sébastien; Gombosi, T I; Le Roy, Léna; Rubin, Martin; Sémon, Thierry; Tzou, Chia-Yu; Wampfler, Susanne (2017). Sulphur isotope mass-independent fractionation observed in comet 67P/Churyumov–Gerasimenko by Rosetta/ROSINA. Monthly notices of the Royal Astronomical Society, 469(Suppl_2), S787-S803. Oxford University Press 10.1093/mnras/stx2534
Monthly Notices of the Royal Astronomical Society, 2017, 469 (suppl_2), pp.S787-S803. ⟨10.1093/mnras/stx2534⟩
International audience; The knowledge about sulphur isotopic fractionation in volatile cometary species is limited as only measurements in five comets have been done and only for 34S/32S. The lack of information about the fractionation of 33S/32S mak
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f6caa7630c0974f3cb9110fe21fdfa46
https://hal-insu.archives-ouvertes.fr/insu-01671992/document
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