VLT/NACO adaptive optics imaging of Titan
International audience The advent of the NAOS/CONICA adaptive optics system at the ESO Very Large Telescope recently gave us the opportunity to map the surface of Titan and to search for atmospheric variations at high spatial resolution and contrast. We report here the first results from a series of...
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ftinsu:oai:HAL:hal-03743018v1 2024-04-28T08:38:48+00:00 VLT/NACO adaptive optics imaging of Titan Gendron, Éric Coustenis, Athéna Drossart, Pierre Combes, Michel Hirtzig, Mathieu Lacombe, François Rouan, Daniel Collin, Claude Pau, Sylvain Lagrange, Anne-Marie Mouillet, David Rabou, Patrick Fusco, Thierry Zins, Gerard 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 Astronomie du LESIA 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)-Université Pierre et Marie Curie - Paris 6 (UPMC)-Institut national des sciences de l'Univers (INSU - CNRS)-Observatoire de Paris Ingénieurs, Techniciens et Administratifs 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) Laboratoire d'Astrophysique de Grenoble (LAOG) Université Joseph Fourier - Grenoble 1 (UJF)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National de la Recherche Scientifique (CNRS) ONERA European Southern Observatory (ESO) 2004 https://hal.science/hal-03743018 en eng HAL CCSD EDP Sciences hal-03743018 https://hal.science/hal-03743018 BIBCODE: 2004A&A.417L.21G ISSN: 0004-6361 EISSN: 1432-0756 Astronomy and Astrophysics - A&A https://hal.science/hal-03743018 Astronomy and Astrophysics - A&A, 2004, 417, pp.L21-L24 [PHYS.ASTR]Physics [physics]/Astrophysics [astro-ph] info:eu-repo/semantics/article Journal articles 2004 ftinsu 2024-04-05T00:32:43Z International audience The advent of the NAOS/CONICA adaptive optics system at the ESO Very Large Telescope recently gave us the opportunity to map the surface of Titan and to search for atmospheric variations at high spatial resolution and contrast. We report here the first results from a series of observations of Titan performed with this instrument in a number of near-infrared narrow-band filters, covering various altitude regions and three different longitudes (out of the 16 days of Titan's orbit). We have achieved unequaled contrast on images showing complex topography on Titan's trailing hemisphere and have found robust evidence for the north-south asymmetry inversion. The presence of other interesting atmospheric features at Titan's South Pole is described. Article in Journal/Newspaper South pole Institut national des sciences de l'Univers: HAL-INSU |
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Institut national des sciences de l'Univers: HAL-INSU |
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ftinsu |
language |
English |
topic |
[PHYS.ASTR]Physics [physics]/Astrophysics [astro-ph] |
spellingShingle |
[PHYS.ASTR]Physics [physics]/Astrophysics [astro-ph] Gendron, Éric Coustenis, Athéna Drossart, Pierre Combes, Michel Hirtzig, Mathieu Lacombe, François Rouan, Daniel Collin, Claude Pau, Sylvain Lagrange, Anne-Marie Mouillet, David Rabou, Patrick Fusco, Thierry Zins, Gerard VLT/NACO adaptive optics imaging of Titan |
topic_facet |
[PHYS.ASTR]Physics [physics]/Astrophysics [astro-ph] |
description |
International audience The advent of the NAOS/CONICA adaptive optics system at the ESO Very Large Telescope recently gave us the opportunity to map the surface of Titan and to search for atmospheric variations at high spatial resolution and contrast. We report here the first results from a series of observations of Titan performed with this instrument in a number of near-infrared narrow-band filters, covering various altitude regions and three different longitudes (out of the 16 days of Titan's orbit). We have achieved unequaled contrast on images showing complex topography on Titan's trailing hemisphere and have found robust evidence for the north-south asymmetry inversion. The presence of other interesting atmospheric features at Titan's South Pole is described. |
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 Astronomie du LESIA 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)-Université Pierre et Marie Curie - Paris 6 (UPMC)-Institut national des sciences de l'Univers (INSU - CNRS)-Observatoire de Paris Ingénieurs, Techniciens et Administratifs 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) Laboratoire d'Astrophysique de Grenoble (LAOG) Université Joseph Fourier - Grenoble 1 (UJF)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National de la Recherche Scientifique (CNRS) ONERA European Southern Observatory (ESO) |
format |
Article in Journal/Newspaper |
author |
Gendron, Éric Coustenis, Athéna Drossart, Pierre Combes, Michel Hirtzig, Mathieu Lacombe, François Rouan, Daniel Collin, Claude Pau, Sylvain Lagrange, Anne-Marie Mouillet, David Rabou, Patrick Fusco, Thierry Zins, Gerard |
author_facet |
Gendron, Éric Coustenis, Athéna Drossart, Pierre Combes, Michel Hirtzig, Mathieu Lacombe, François Rouan, Daniel Collin, Claude Pau, Sylvain Lagrange, Anne-Marie Mouillet, David Rabou, Patrick Fusco, Thierry Zins, Gerard |
author_sort |
Gendron, Éric |
title |
VLT/NACO adaptive optics imaging of Titan |
title_short |
VLT/NACO adaptive optics imaging of Titan |
title_full |
VLT/NACO adaptive optics imaging of Titan |
title_fullStr |
VLT/NACO adaptive optics imaging of Titan |
title_full_unstemmed |
VLT/NACO adaptive optics imaging of Titan |
title_sort |
vlt/naco adaptive optics imaging of titan |
publisher |
HAL CCSD |
publishDate |
2004 |
url |
https://hal.science/hal-03743018 |
genre |
South pole |
genre_facet |
South pole |
op_source |
ISSN: 0004-6361 EISSN: 1432-0756 Astronomy and Astrophysics - A&A https://hal.science/hal-03743018 Astronomy and Astrophysics - A&A, 2004, 417, pp.L21-L24 |
op_relation |
hal-03743018 https://hal.science/hal-03743018 BIBCODE: 2004A&A.417L.21G |
_version_ |
1797570065106731008 |