Planning

Week Mon. 26 Tue. 27 Wed. 28 Thu. 29 List

	Mon. 26	Tue. 27	Wed. 28	Thu. 29
09:00 10:00 11:00 12:00 13:00 14:00 15:00 16:00 17:00 18:00 19:00 20:00	Registration and poster exhibit (Building "B" (ground floor)) 9:00 - 11:00 (2h) Registration and poster exhibit (Building "B" (ground floor)) Registration and poster exhibit (Batiment "B" (rez-de-chaussée)) Welcome address 11:00 - 11:10 (10min) Welcome address Salle de l'Atelier Betelgeuse - challenging our understanding for more than 2000 years Invited introductory talks Past and future evolution of a massive star like Betelgeuse 11:10 - 12:00 (50min) Betelgeuse - challenging our understanding for more than 2000 years Salle de l'Atelier S. T. Ridgway, NOAO https://betelgeuse.sciencesconf.org/data/program/Ridgway_Betelgeuse2000years.pdf 11:10 - 12:50 (1h40) Invited introductory talks Salle de l'Atelier G. Perrin 12:00 - 12:50 (50min) Past and future evolution of a massive star like Betelgeuse Salle de l'Atelier G. Meynet, Observatory of Geneva University Informations from the LOC 12:50 - 13:00 (10min) Informations from the LOC Salle de l'Atelier Lunch 13:00 - 14:00 (1h) Lunch RSG in the perspective of stellar evolution Structure and evolution of massive stars How the mass-loss rates of red-supergiants determine the fate of massive stars ? 14:00 - 15:00 (1h) RSG in the perspective of stellar evolution Salle de l'Atelier S. Ekstrom https://betelgeuse.sciencesconf.org/data/program/Ekstrom_Betelgeuse2012.pdf 14:00 - 15:30 (1h30) Structure and evolution of massive stars Salle de l'Atelier S. Ridgway 15:00 - 15:30 (30min) How the mass-loss rates of red-supergiants determine the fate of massive stars ? Salle de l'Atelier C. Georgy Coffee break 15:30 - 16:00 (30min) Coffee break Building "B" (ground floor) Atmospheric structure and dynamics: the spatial and temporal domains Atmospheric structure and dynamics 16:00 - 17:00 (1h) Atmospheric structure and dynamics: the spatial and temporal domains Salle de l'Atelier G. Harper 16:00 - 17:00 (1h) Atmospheric structure and dynamics Salle de l'Atelier P. Kervella poster session (Salle de l'Atelier) 17:00 - 18:00 (1h) poster session (Salle de l'Atelier) poster session (oral : 5 minutes each) Exploring the water and carbon monoxide shell around Betelgeuse with VLTI/AMBER 18:00 - 18:05 (05min) Exploring the water and carbon monoxide shell around Betelgeuse with VLTI/AMBER Salle de l'Atelier M. Montargès https://betelgeuse.sciencesconf.org/data/program/Poster_BetelgeuseWorkshop_MMONTARGES.pdf	The Temperatures of Red Supergiants Atmospheric structure and dynamics Direct Ultraviolet Imaging of Betelgeuse Envelope tomography of red supergiant stars 9:15 - 9:45 (30min) The Temperatures of Red Supergiants Salle de l'Atelier B. Davies 9:15 - 10:45 (1h30) Atmospheric structure and dynamics Salle de l'Atelier A. Chiavassa 9:45 - 10:15 (30min) Direct Ultraviolet Imaging of Betelgeuse Salle de l'Atelier A. Dupree 10:15 - 10:45 (30min) Envelope tomography of red supergiant stars Salle de l'Atelier S. van Eck Coffee break 10:45 - 11:05 (20min) Coffee break Building "B" (ground floor) Atmospheric structures and wavelength dependent angular diameters of red supergiants Atmospheric structure and dynamics NLTE effects in the atmospheres of Red Supergiants NLTE radiative transfer in Red supergiant atmospheres 11:05 - 11:45 (40min) Atmospheric structures and wavelength dependent angular diameters of red supergiants Salle de l'Atelier B. Arroyo-Torres https://betelgeuse.sciencesconf.org/data/program/present_RSGs_ParisNov2012.pdf 11:05 - 12:45 (1h40) Atmospheric structure and dynamics Salle de l'Atelier A. Dupree 11:45 - 12:15 (30min) NLTE effects in the atmospheres of Red Supergiants Salle de l'Atelier M. Bergemann 12:15 - 12:45 (30min) NLTE radiative transfer in Red supergiant atmospheres Salle de l'Atelier J. Lambert Lunch 12:45 - 14:00 (1h15) Lunch Spatially resolving the dynamics over the surface of red supergiants with the Very Large Telescope Interferometer Atmospheric structure and dynamics Turbulent Structure in the Upper Chromospheres of Cool Supergiants Discussion: How does Betelgeuse fit ? - observations versus models 14:00 - 15:00 (1h) Spatially resolving the dynamics over the surface of red supergiants with the Very Large Telescope Interferometer Salle de l'Atelier K. Ohnaka https://betelgeuse.sciencesconf.org/data/program/ohnaka_paris2012.pdf 14:00 - 16:15 (2h15) Atmospheric structure and dynamics Salle de l'Atelier L. Decin 15:00 - 15:30 (30min) Turbulent Structure in the Upper Chromospheres of Cool Supergiants Salle de l'Atelier E. Griffin https://betelgeuse.sciencesconf.org/data/program/betelg_EGriffin.pdf 15:30 - 16:15 (45min) Discussion: How does Betelgeuse fit ? - observations versus models Salle de l'Atelier G. Meynet/ A. Chiavassa Coffee break and conference photo. 16:15 - 17:00 (45min) Coffee break and conference photo. Building "B" (ground floor) poster session (Batiment B) 17:00 - 17:30 (30min) poster session (Batiment B) poster session Social event 17:30 - 20:30 (3h) Social event Salle Cassini	Global radiation hydrodynamics simulations of red supergiant and AGB stars Atmospheric structure and dynamics 3D hydrodynamical simulations of red supergiants to interpret observations of stellar surfaces Discussion: What have we learned and not learned from surface observations ? 9:00 - 9:30 (30min) Global radiation hydrodynamics simulations of red supergiant and AGB stars Salle de l'Atelier B. Freytag 9:00 - 10:30 (1h30) Atmospheric structure and dynamics Salle de l'Atelier P. Kervella 9:30 - 10:00 (30min) 3D hydrodynamical simulations of red supergiants to interpret observations of stellar surfaces Salle de l'Atelier A. Chiavassa 10:00 - 10:30 (30min) Discussion: What have we learned and not learned from surface observations ? Salle de l'Atelier A. Dupree/ P. Kervella Coffee break 10:30 - 11:00 (30min) Coffee break Building "B" (ground floor) The chemistry of dust formation in red supergiants Mass loss mechanisms, dust formation chemistry Red Supergiants, Post-Red Supergiants, and Red Transients -- the Evidence for High Mass Loss Episodes Over a Wide Range of Luminosities 11:00 - 12:00 (1h) The chemistry of dust formation in red supergiants Salle de l'Atelier I. Cherchneff 11:00 - 12:30 (1h30) Mass loss mechanisms, dust formation chemistry Salle de l'Atelier A. Chiavassa 12:00 - 12:30 (30min) Red Supergiants, Post-Red Supergiants, and Red Transients -- the Evidence for High Mass Loss Episodes Over a Wide Range of Luminosities Salle de l'Atelier R. Humphreys https://betelgeuse.sciencesconf.org/data/program/RHumphreys.pdf Lunch 12:30 - 14:00 (1h30) Lunch Tracing the long-term mass-loss history of Betelgeuse in CO radio lines Mass loss mechanisms, dust formation chemistry Towards a coherent view at infrared wavelengths of mass loss in Betelgeuse Mass loss from Betelgeuse - where is it going? 14:00 - 14:30 (30min) Tracing the long-term mass-loss history of Betelgeuse in CO radio lines Salle de l'Atelier T. Kaminski 14:00 - 16:00 (2h) Mass loss mechanisms, dust formation chemistry Salle de l'Atelier G. Meynet 14:30 - 15:00 (30min) Towards a coherent view at infrared wavelengths of mass loss in Betelgeuse Salle de l'Atelier P. Kervella 15:00 - 16:00 (1h) Mass loss from Betelgeuse - where is it going? Salle de l'Atelier A. Richards https://betelgeuse.sciencesconf.org/data/program/AMSRichards_Betelgeuse2012.pdf Coffee break 16:00 - 16:30 (30min) Coffee break Building "B" (ground floor) The kinematics in the large-scale environment of Betelgeuse from radio HI-line observations Mass loss mechanisms, dust formation chemistry The enigmatic nature of the circumstellar envelope and bow shock surrounding Betelgeuse as revealed by Herschel. Evidence of clumps, multiple arcs and a linear bar-like structure. Dust and gas dynamics in the bowshock of alpha-Orionis 16:30 - 17:00 (30min) The kinematics in the large-scale environment of Betelgeuse from radio HI-line observations Salle de l'Atelier T. Le Bertre https://betelgeuse.sciencesconf.org/data/program/Betelgeuse_2012_HI_TL_1.pdf 16:30 - 18:00 (1h30) Mass loss mechanisms, dust formation chemistry Salle de l'Atelier G. Perrin 17:00 - 17:30 (30min) The enigmatic nature of the circumstellar envelope and bow shock surrounding Betelgeuse as revealed by Herschel. Evidence of clumps, multiple arcs and a linear bar-like structure. Salle de l'Atelier L. Decin 17:30 - 18:00 (30min) Dust and gas dynamics in the bowshock of alpha-Orionis Salle de l'Atelier A. van Marle	3D simulations of Betelgeuse's bow shock Mass loss mechanisms, dust formation chemistry Models for the circumstellar medium of runaway young red supergiants: application to Betelgeuse Discussion: Do we know what causes mass loss in Betelgeuse ? 9:00 - 9:30 (30min) 3D simulations of Betelgeuse's bow shock Salle de l'Atelier S. Mohamed 9:00 - 10:30 (1h30) Mass loss mechanisms, dust formation chemistry Salle de l'Atelier S. Ridgway 9:30 - 10:00 (30min) Models for the circumstellar medium of runaway young red supergiants: application to Betelgeuse Salle de l'Atelier J. Mackey https://betelgeuse.sciencesconf.org/data/program/jmackey_Paris201211.pdf 10:00 - 10:30 (30min) Discussion: Do we know what causes mass loss in Betelgeuse ? Salle de l'Atelier L. Decin/ T. Le Bertre https://betelgeuse.sciencesconf.org/data/program/Discussion_mass_loss3.pdf Coffee break 10:30 - 11:00 (30min) Coffee break Building "B" (ground floor) Red Supergiants in the Local Group Red supergiants in galaxies Betelgeuse in context of the Massive Star Population in Orion Stephenson 2, a nest of red supergiants 11:00 - 12:00 (1h) Red Supergiants in the Local Group Salle de l'Atelier E. Levesque 11:00 - 13:00 (2h) Red supergiants in galaxies Salle de l'Atelier T. Le Bertre 12:00 - 12:30 (30min) Betelgeuse in context of the Massive Star Population in Orion Salle de l'Atelier N. Przybilla 12:30 - 13:00 (30min) Stephenson 2, a nest of red supergiants Salle de l'Atelier I. Negueruela Lunch 13:00 - 14:00 (1h) Lunch Red Supergiant Stars as Cosmic Abundance Probes Red supergiants in galaxies Discussion : Future directions - optical interferometry, ALMA, ELT Summary and recommendations Informations from the LOC 14:00 - 14:30 (30min) Red Supergiant Stars as Cosmic Abundance Probes Salle de l'Atelier B. Davies 14:00 - 16:00 (2h) Red supergiants in galaxies Salle de l'Atelier T. Le Bertre 14:30 - 15:00 (30min) Discussion : Future directions - optical interferometry, ALMA, ELT Salle de l'Atelier G. Perrin/ S. Ridgway https://betelgeuse.sciencesconf.org/data/program/Thursday_Discussion4.pdf 15:00 - 15:50 (50min) Summary and recommendations Salle de l'Atelier J. van Loon https://betelgeuse.sciencesconf.org/data/program/paris_vanLoon2012.pdf 15:50 - 16:00 (10min) Informations from the LOC Salle de l'Atelier

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