Monday, November 26, 2012

Time Event  
09:00 - 11:00 Registration and poster exhibit (Building "B" (ground floor)) - Registration and poster exhibit (Batiment "B" (rez-de-chaussée))  
11:00 - 11:10 Welcome address (Salle de l'Atelier)  
11:10 - 12:00 Betelgeuse - challenging our understanding for more than 2000 years (Salle de l'Atelier) - S. T. Ridgway, NOAO
 
11:10 - 12:50 Invited introductory talks (Salle de l'Atelier) - G. Perrin  
12:00 - 12:50 Past and future evolution of a massive star like Betelgeuse (Salle de l'Atelier) - G. Meynet, Observatory of Geneva University  
12:50 - 13:00 Informations from the LOC (Salle de l'Atelier)  
13:00 - 14:00 Lunch  
14:00 - 15:00 RSG in the perspective of stellar evolution (Salle de l'Atelier) - S. Ekstrom
 
14:00 - 15:30 Structure and evolution of massive stars (Salle de l'Atelier) - S. Ridgway  
15:00 - 15:30 How the mass-loss rates of red-supergiants determine the fate of massive stars ? (Salle de l'Atelier) - C. Georgy  
15:30 - 16:00 Coffee break (Building "B" (ground floor))  
16:00 - 17:00 Atmospheric structure and dynamics: the spatial and temporal domains (Salle de l'Atelier) - G. Harper  
16:00 - 17:00 Atmospheric structure and dynamics (Salle de l'Atelier) - P. Kervella  
17:00 - 18:00 poster session (Salle de l'Atelier) - poster session (oral : 5 minutes each)  
18:00 - 18:05 Exploring the water and carbon monoxide shell around Betelgeuse with VLTI/AMBER (Salle de l'Atelier) - M. Montargès
 

Tuesday, November 27, 2012

Time Event  
09:15 - 09:45 The Temperatures of Red Supergiants (Salle de l'Atelier) - B. Davies  
09:15 - 10:45 Atmospheric structure and dynamics (Salle de l'Atelier) - A. Chiavassa  
09:45 - 10:15 Direct Ultraviolet Imaging of Betelgeuse (Salle de l'Atelier) - A. Dupree  
10:15 - 10:45 Envelope tomography of red supergiant stars (Salle de l'Atelier) - S. van Eck  
10:45 - 11:05 Coffee break (Building "B" (ground floor))  
11:05 - 11:45 Atmospheric structures and wavelength dependent angular diameters of red supergiants (Salle de l'Atelier) - B. Arroyo-Torres
 
11:05 - 12:45 Atmospheric structure and dynamics (Salle de l'Atelier) - A. Dupree  
11:45 - 12:15 NLTE effects in the atmospheres of Red Supergiants (Salle de l'Atelier) - M. Bergemann  
12:15 - 12:45 NLTE radiative transfer in Red supergiant atmospheres (Salle de l'Atelier) - J. Lambert  
12:45 - 14:00 Lunch  
14:00 - 15:00 Spatially resolving the dynamics over the surface of red supergiants with the Very Large Telescope Interferometer (Salle de l'Atelier) - K. Ohnaka
 
14:00 - 16:15 Atmospheric structure and dynamics (Salle de l'Atelier) - L. Decin  
15:00 - 15:30 Turbulent Structure in the Upper Chromospheres of Cool Supergiants (Salle de l'Atelier) - E. Griffin
 
15:30 - 16:15 Discussion: How does Betelgeuse fit ? - observations versus models (Salle de l'Atelier) - G. Meynet/ A. Chiavassa  
16:15 - 17:00 Coffee break and conference photo. (Building "B" (ground floor))  
17:00 - 17:30 poster session (Batiment B) - poster session  
17:30 - 20:30 Social event (Salle Cassini)  

Wednesday, November 28, 2012

Time Event  
09:00 - 09:30 Global radiation hydrodynamics simulations of red supergiant and AGB stars (Salle de l'Atelier) - B. Freytag  
09:00 - 10:30 Atmospheric structure and dynamics (Salle de l'Atelier) - P. Kervella  
09:30 - 10:00 3D hydrodynamical simulations of red supergiants to interpret observations of stellar surfaces (Salle de l'Atelier) - A. Chiavassa  
10:00 - 10:30 Discussion: What have we learned and not learned from surface observations ? (Salle de l'Atelier) - A. Dupree/ P. Kervella  
10:30 - 11:00 Coffee break (Building "B" (ground floor))  
11:00 - 12:00 The chemistry of dust formation in red supergiants (Salle de l'Atelier) - I. Cherchneff  
11:00 - 12:30 Mass loss mechanisms, dust formation chemistry (Salle de l'Atelier) - A. Chiavassa  
12:00 - 12:30 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
 
12:30 - 14:00 Lunch  
14:00 - 14:30 Tracing the long-term mass-loss history of Betelgeuse in CO radio lines (Salle de l'Atelier) - T. Kaminski  
14:00 - 16:00 Mass loss mechanisms, dust formation chemistry (Salle de l'Atelier) - G. Meynet  
14:30 - 15:00 Towards a coherent view at infrared wavelengths of mass loss in Betelgeuse (Salle de l'Atelier) - P. Kervella  
15:00 - 16:00 Mass loss from Betelgeuse - where is it going? (Salle de l'Atelier) - A. Richards
 
16:00 - 16:30 Coffee break (Building "B" (ground floor))  
16:30 - 17:00 The kinematics in the large-scale environment of Betelgeuse from radio HI-line observations (Salle de l'Atelier) - T. Le Bertre
 
16:30 - 18:00 Mass loss mechanisms, dust formation chemistry (Salle de l'Atelier) - G. Perrin  
17:00 - 17:30 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 Dust and gas dynamics in the bowshock of alpha-Orionis (Salle de l'Atelier) - A. van Marle  

Thursday, November 29, 2012

Time Event  
09:00 - 09:30 3D simulations of Betelgeuse's bow shock (Salle de l'Atelier) - S. Mohamed  
09:00 - 10:30 Mass loss mechanisms, dust formation chemistry (Salle de l'Atelier) - S. Ridgway  
09:30 - 10:00 Models for the circumstellar medium of runaway young red supergiants: application to Betelgeuse (Salle de l'Atelier) - J. Mackey
 
10:00 - 10:30 Discussion: Do we know what causes mass loss in Betelgeuse ? (Salle de l'Atelier) - L. Decin/ T. Le Bertre
 
10:30 - 11:00 Coffee break (Building "B" (ground floor))  
11:00 - 12:00 Red Supergiants in the Local Group (Salle de l'Atelier) - E. Levesque  
11:00 - 13:00 Red supergiants in galaxies (Salle de l'Atelier) - T. Le Bertre  
12:00 - 12:30 Betelgeuse in context of the Massive Star Population in Orion (Salle de l'Atelier) - N. Przybilla  
12:30 - 13:00 Stephenson 2, a nest of red supergiants (Salle de l'Atelier) - I. Negueruela  
13:00 - 14:00 Lunch  
14:00 - 14:30 Red Supergiant Stars as Cosmic Abundance Probes (Salle de l'Atelier) - B. Davies  
14:00 - 16:00 Red supergiants in galaxies (Salle de l'Atelier) - T. Le Bertre  
14:30 - 15:00 Discussion : Future directions - optical interferometry, ALMA, ELT (Salle de l'Atelier) - G. Perrin/ S. Ridgway
 
15:00 - 15:50 Summary and recommendations (Salle de l'Atelier) - J. van Loon
 
15:50 - 16:00 Informations from the LOC (Salle de l'Atelier)