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Programme

mardi 16 septembre 2025

Heures événement (+)
13:30 - 14:00 accueil café  
14:00 - 14:10 Introduction from Paris Observatory President - F. Casoli  
14:10 - 14:20 Introduction by LIRA Director - M. Maksimovic  
14:20 - 14:30 Welcome, purpose of the meeting and logistics - A. Coustenis  
14:30 - 15:15 Session : Célébration et histoire de la mission Cassini-Huygens - A.Coustenis (+)  
14:30 - 15:15 › Historical aspects of the Cassini-Huygens Mission - Darrell Trobell, Johns Hopkins University [Baltimore] - Wing Ip, X - Linda Spilker, Jet Propulsion Laboratory  
15:15 - 16:30 Session : Célébration et histoire de la mission Cassini-Huygens - Part I - Chairs : A. Coustenis and M. Fulchignoni (+)  
15:15 - 16:00 › Huygens History - Marcello Fulchignoni, Laboratoire d'Instrumentation et de Recherche en Astrophysique - Jean-Pierre Lebreton, Université d'Orléans - François Raulin, Université de Créteil - Marcello Coradini, Space Systems Solutions LtD  
16:00 - 16:30 › Huygens Probe construction : design and development choices and their impact to the mission - Patrice Couzin, Thales Alenia Space  
16:30 - 16:50 Coffee break  
16:50 - 18:05 Session : Célébration et histoire de la mission Cassini-Huygens - Part II - Chairs : A. Coustenis and M. Fulchignoni (+)  
16:50 - 17:15 › Huygens 20-year anniversary: ESA's point of view - Olivier Witasse, ESA - ESTEC (Netherlands) - Jean-Pierre Lebreton, Université d'Orléans - Claudio Sollazzo, European Space Operations Center - Thierry Blancquaert, ESA - ESTEC (Netherlands) - Miguel Perez-Ayucar, European Space Astronomy Centre - Andrew Ball, ESA - ESTEC (Netherlands) - Louis Walpot, ESA - ESTEC (Netherlands)  
17:15 - 17:40 › France involvement on Huygens project - Francis Rocard, Centre national d'études spatiales  
17:40 - 18:05 › Italian Partnership in a Unique Mission: Cassini-Huygens - Enrico Flamini, IRSPS  
18:05 - 19:05 Session: Résultats scientifiques de la mission Cassini-Huygens - Chairs: A. Coustenis and M. Fulchignoni (+)  
18:05 - 18:25 › Recent insights into Titan's climate system from general circulation modeling - Juan Lora, Department of Earth and Planetary Sciences, Yale University  
18:25 - 18:45 › Recent progress in the construction of accurate molecular line lists - Michael Rey, GSMA Reims (remote presentation)  
18:45 - 19:05 › Titan Tholins – How laboratory experiements supported the Cassini-Huygens Mission - Thomas Gautier, Laboratoire Atmosphères, Milieux, Observations Spatiales, Laboratoire d'Instrumentation et de Recherche en Astrophysique  
19:15 - 20:30 Drinks reception  

mercredi 17 septembre 2025

Heures événement (+)
09:00 - 09:30 accueil café  
09:30 - 09:40 Introduction and Logistics - A.Coustenis  
09:40 - 10:50 Session: Résultats scientifiques de Huygens - Part I - Chairs : J. Zarnecki and T. Gautier (+)  
09:40 - 10:10 › Titan Science: From Voyager 1 to the discoveries of Cassini-Huygens - Jonathan Lunine, California Institute of Technology  
10:10 - 10:30 › The Descent Imager/Spectral Radiometer on Huygens: 20 years after descent, 35 years after design - Erich Karkoschka, Lunar and Planetary Lab, University of Arizona  
10:30 - 10:50 › The Cassini Huygens gas chromatograph mass spectrometer and aerosol collector pyrolyzer investigations - Paul Mahaffy, NASA Goddard Space Flight Center  
10:50 - 11:10 Coffee break  
11:10 - 12:30 Session: Résultats scientifiques de Huygens - Part II - Chairs: J. Zarnecki and T. Gautier (+)  
11:10 - 11:30 › 2005 Huygens HASI at Titan: lessons learned and future perspectives - Francesca Ferri, Università degli Studi di Padova - CISAS  
11:30 - 11:50 › The Huygens Doppler Wind Experiment: Twenty Years Ago - Michael Bird, Universität Bonn = University of Bonn  
11:50 - 12:10 › The Huygens Surface Science Package - John Zarnecki, The Open University [Milton Keynes]  
12:10 - 12:30 › Titan thermal structure and the history in the presentation of Huygens' descent - Roger Yelle, univ.arizona  
12:30 - 14:00 Lunch  
14:00 - 16:10 Session: Résultats scientifiques de Cassini - Part I- Chairs : P. Lavvas and J. Lunine (+)  
14:00 - 14:20 › Titan methane - Hunter Waite, University of Alabama  
14:20 - 14:40 › Scientific Achievements from the Cassini Titan Radar Mapper - Rosaly Lopes, Jet Propulsion Laboratory, California Institute of Technology  
14:40 - 15:00 › Cassini Ultraviolet Imaging Spectroscopy of the Saturn System - Larry Esposito, LASP, University of Colorado, Boulder  
15:00 - 15:20 › Science Results from the Cassini Imaging Science Subsystem - Robert West, Jet Propulsion Laboratory  
15:20 - 15:40 › The Saturn System Viewed through the Infrared Eyes of Cassini CIRS - F Michael Flasar, University of Maryland at College Park, MD, United States (f.m.flasar@nasa.gov)  
15:40 - 15:50 › Cassini Radio Occultations - F Michael Flasar, University of Maryland at College Park, MD, United States (f.m.flasar@nasa.gov)  
15:50 - 16:10 › The VIMS contribution to the mapping of Titan's surface - Christophe Sotin, Nantes Université  
16:10 - 16:25 Coffee break  
16:25 - 18:25 Session: Résultats scientifiques de Cassini - Part II - Chairs: P. Lavvas and J. Lunine (+)  
16:25 - 16:45 › Titan's gravity field and interior structure after Cassini - Daniele Durante, Dipartimento di Ingegneria Meccanica e Aerospaziale [Roma La Sapienza]  
16:45 - 17:05 › The CAPS instrument - scientific accomplishments and reminiscences - Andrew Coates, Mullard Space Science Laboratory, Centre for Planetary Science  
17:05 - 17:25 › Cassini-RPWS adventures in Saturn orbit - Philippe Zarka, LIRA  
17:25 - 17:45 › The Cassini Magnetometer - Michele Dougherty, Imperial College of Science, Technology and Medicine  
17:45 - 18:05 › Some science results from Cassini/MIMI (Magnetospheric IMaging Investigation)* by S. M. Krimigis1, 2 and D. G. Mitchell1 - Stamatios Krimigis, Johns Hopkins University Applied Physics Laboratory [Laurel, MD], Center for Space Research and Technology, Academy of Athens  
18:05 - 18:25 › RPWS/Langmuir Probe discovery highlights - Jan-Erik Wahlund, IRFU  
18:30 - 21:00 Cocktail Dinner  

jeudi 18 septembre 2025

Heures événement (+)
09:00 - 09:30 accueil café  
09:30 - 09:35 Introduction and Logistics - A.Coustenis  
09:35 - 10:55 Résultats scientifique sur Titan du sol et de l'espace - Chairs : Z. Turtle and O. Witasse (+)  
09:35 - 09:55 › Seeing through the haze: the Cassini/Huygens challenge of mapping Titan's surface - Benoit Seignovert, Observatoire des sciences de l'univers Nantes Atlantique  
09:55 - 10:15 › Continuing Cassini's legacy for detailed atmospheric science on Titan using ALMA - Martin Cordiner, NASA Goddard Space Flight Center  
10:15 - 10:35 › Observations of Titan after Cassini-Huygens with Ground and Space Observatories - Conor Nixon, NASA Goddard Space Flight Center  
10:35 - 10:55 › Titan's deep ocean evolution and evidences (or not) for its presence - Gabriel TOBIE, Laboratoire de Planétologie et Géosciences, UMR-CNRS 6112  
10:55 - 11:10 Coffee break  
11:10 - 13:15 Session: Exploration future de Titan et autres lunes de glace - Chairs: E. Turtle and O. Witasse (+)  
11:10 - 11:30 › The ESA JUICE and NASA Europa Clipper missions - Olivier Witasse, ESA - ESTEC (Netherlands) - Robert Pappalardo, Jet Propulsion Laboratory - Emma Bunce, School of Physics and Astronomy [Leicester] - Louise Prockter, Johns Hopkins University Applied Physics Laboratory [Laurel, MD] - Mathieu Choukroun, Jet Propulsion Laboratory - Claire Vallat, European Space Astronomy Centre - Haje Korth, Johns Hopkins University Applied Physics Laboratory [Laurel, MD] - Bonnie Burrati, Jet Propulsion Laboratory - Leigh Fletcher, School of Physics and Astronomy [Leicester]  
11:30 - 12:00 › Dragonfly: In Situ Exploration of Titan's Prebiotic Chemistry, Habitability, Meteorology, Geology, and Geophysical Characteristics - Elizabeth Turtle, Johns Hopkins Applied Physics Laboratory - Ralph Lorenz, Johns Hopkins Applied Physics Laboratory  
12:00 - 12:20 › The ESA Science Program - Carole Mundell, Agence Spatiale Européenne = European Space Agency  
12:20 - 12:40 › The Mission to Enceladus – The ESA L4 mission - Joern Helbert, ESA - ESTEC (Netherlands, remotely)  
12:40 - 13:00 › Elements of the future space program of ESA and NASA - Athena Coustenis, Laboratoire d'instrumentation et recherche en astrophysique (LIRA)  
13:00 - 13:15 Discussion Q/A  
13:15 - 14:30 Lunch (catering in situ)  
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