Titan's temporal evolution in stratospheric trace gases near the poles
International audience We analyze spectra acquired by the Cassini/Composite Infrared Spectrometer (CIRS) at high resolution from October 2010 until September 2014 in nadir mode. Up until mid 2012, Titan's Northern atmosphere exhibited the enriched chemical content found since the Voyager days (...
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ftsorbonneuniv:oai:HAL:hal-03734191v1 2024-09-15T18:36:42+00:00 Titan's temporal evolution in stratospheric trace gases near the poles Coustenis, Athéna Jennings, D. Achterberg, Richard K. Bampasidis, Georgios Lavvas, P. Nixon, Conor A. Teanby, Nicholas A. Anderson, C. Cottini, Valeria Flasar, Michael Laboratoire d'études spatiales et d'instrumentation en astrophysique (LESIA) Université Pierre et Marie Curie - Paris 6 (UPMC)-Institut national des sciences de l'Univers (INSU - CNRS)-Observatoire de Paris Université Paris Sciences et Lettres (PSL)-Université Paris Sciences et Lettres (PSL)-Université Paris Diderot - Paris 7 (UPD7)-Centre National de la Recherche Scientifique (CNRS) Pôle Planétologie du LESIA Laboratoire d'études spatiales et d'instrumentation en astrophysique = Laboratory of Space Studies and Instrumentation in Astrophysics (LESIA) Institut national des sciences de l'Univers (INSU - CNRS)-Observatoire de Paris Université Paris Sciences et Lettres (PSL)-Université Paris Sciences et Lettres (PSL)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS)-Université Paris Cité (UPCité)-Institut national des sciences de l'Univers (INSU - CNRS)-Observatoire de Paris Université Paris Sciences et Lettres (PSL)-Université Paris Sciences et Lettres (PSL)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS)-Université Paris Cité (UPCité) NASA Goddard Space Flight Center (GSFC) Section of Astrophysics, Astronomy and Mechanics, Department of Physics, University of Athens University of Bristol Bristol Nantes, France 2015-09-27 https://hal.science/hal-03734191 en eng HAL CCSD hal-03734191 https://hal.science/hal-03734191 BIBCODE: 2015EPSC.10.18C European Planetary Science Congress 2015 https://hal.science/hal-03734191 European Planetary Science Congress 2015, Sep 2015, Nantes, France [PHYS.ASTR]Physics [physics]/Astrophysics [astro-ph] info:eu-repo/semantics/conferenceObject Conference papers 2015 ftsorbonneuniv 2024-07-25T23:47:49Z International audience We analyze spectra acquired by the Cassini/Composite Infrared Spectrometer (CIRS) at high resolution from October 2010 until September 2014 in nadir mode. Up until mid 2012, Titan's Northern atmosphere exhibited the enriched chemical content found since the Voyager days (November 1980), with a peak around the Northern Spring Equinox (NSE) in 2009. Since then, we have observed the appearance at Titan's south pole of several trace species for the first time, such as HC3N and C6H6, observed only at high northern latitudes before equinox. We investigate here latitudes poleward of 50°S and 50°N from 2010 (after the Southern Autumnal Equinox : SAE) until 2014. Conference Object South pole HAL Sorbonne Université |
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Open Polar |
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HAL Sorbonne Université |
op_collection_id |
ftsorbonneuniv |
language |
English |
topic |
[PHYS.ASTR]Physics [physics]/Astrophysics [astro-ph] |
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[PHYS.ASTR]Physics [physics]/Astrophysics [astro-ph] Coustenis, Athéna Jennings, D. Achterberg, Richard K. Bampasidis, Georgios Lavvas, P. Nixon, Conor A. Teanby, Nicholas A. Anderson, C. Cottini, Valeria Flasar, Michael Titan's temporal evolution in stratospheric trace gases near the poles |
topic_facet |
[PHYS.ASTR]Physics [physics]/Astrophysics [astro-ph] |
description |
International audience We analyze spectra acquired by the Cassini/Composite Infrared Spectrometer (CIRS) at high resolution from October 2010 until September 2014 in nadir mode. Up until mid 2012, Titan's Northern atmosphere exhibited the enriched chemical content found since the Voyager days (November 1980), with a peak around the Northern Spring Equinox (NSE) in 2009. Since then, we have observed the appearance at Titan's south pole of several trace species for the first time, such as HC3N and C6H6, observed only at high northern latitudes before equinox. We investigate here latitudes poleward of 50°S and 50°N from 2010 (after the Southern Autumnal Equinox : SAE) until 2014. |
author2 |
Laboratoire d'études spatiales et d'instrumentation en astrophysique (LESIA) Université Pierre et Marie Curie - Paris 6 (UPMC)-Institut national des sciences de l'Univers (INSU - CNRS)-Observatoire de Paris Université Paris Sciences et Lettres (PSL)-Université Paris Sciences et Lettres (PSL)-Université Paris Diderot - Paris 7 (UPD7)-Centre National de la Recherche Scientifique (CNRS) Pôle Planétologie du LESIA Laboratoire d'études spatiales et d'instrumentation en astrophysique = Laboratory of Space Studies and Instrumentation in Astrophysics (LESIA) Institut national des sciences de l'Univers (INSU - CNRS)-Observatoire de Paris Université Paris Sciences et Lettres (PSL)-Université Paris Sciences et Lettres (PSL)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS)-Université Paris Cité (UPCité)-Institut national des sciences de l'Univers (INSU - CNRS)-Observatoire de Paris Université Paris Sciences et Lettres (PSL)-Université Paris Sciences et Lettres (PSL)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS)-Université Paris Cité (UPCité) NASA Goddard Space Flight Center (GSFC) Section of Astrophysics, Astronomy and Mechanics, Department of Physics, University of Athens University of Bristol Bristol |
format |
Conference Object |
author |
Coustenis, Athéna Jennings, D. Achterberg, Richard K. Bampasidis, Georgios Lavvas, P. Nixon, Conor A. Teanby, Nicholas A. Anderson, C. Cottini, Valeria Flasar, Michael |
author_facet |
Coustenis, Athéna Jennings, D. Achterberg, Richard K. Bampasidis, Georgios Lavvas, P. Nixon, Conor A. Teanby, Nicholas A. Anderson, C. Cottini, Valeria Flasar, Michael |
author_sort |
Coustenis, Athéna |
title |
Titan's temporal evolution in stratospheric trace gases near the poles |
title_short |
Titan's temporal evolution in stratospheric trace gases near the poles |
title_full |
Titan's temporal evolution in stratospheric trace gases near the poles |
title_fullStr |
Titan's temporal evolution in stratospheric trace gases near the poles |
title_full_unstemmed |
Titan's temporal evolution in stratospheric trace gases near the poles |
title_sort |
titan's temporal evolution in stratospheric trace gases near the poles |
publisher |
HAL CCSD |
publishDate |
2015 |
url |
https://hal.science/hal-03734191 |
op_coverage |
Nantes, France |
genre |
South pole |
genre_facet |
South pole |
op_source |
European Planetary Science Congress 2015 https://hal.science/hal-03734191 European Planetary Science Congress 2015, Sep 2015, Nantes, France |
op_relation |
hal-03734191 https://hal.science/hal-03734191 BIBCODE: 2015EPSC.10.18C |
_version_ |
1810480403484508160 |