Betelgeuse Workshop 2012 - Sciencesconf.org

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))

Welcome address

Betelgeuse - challenging our understanding for more than 2000 years
Invited introductory talks
Past and future evolution of a massive star like Betelgeuse

Informations from the LOC

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 ?

Coffee break

Atmospheric structure and dynamics: the spatial and temporal domains
Atmospheric structure and dynamics

poster session (Salle de l'Atelier)

Exploring the water and carbon monoxide shell around Betelgeuse with VLTI/AMBER

The Temperatures of Red Supergiants
Atmospheric structure and dynamics
Direct Ultraviolet Imaging of Betelgeuse
Envelope tomography of red supergiant stars

Coffee break

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

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

Coffee break and conference photo.

poster session (Batiment B)

Social event

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 ?

Coffee break

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

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?

Coffee break

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

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 ?

Coffee break

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

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