Program

Program 

 IT = Invited talks CT = contributed talks

Monday 26/6. Fundamental parameters, triple system 

• Welcome 10:30-10:45
• Introduction to Frédéric’s career and contributions to Alpha Centauri (P. Kervella, O. Creevey, L. Bigot) 10:45-11:20
• Calibration and fundamental atmospheric parameters of Alpha Centauri(Frédéric Thévenin) 11:20-12:00 

Lunch 12:00-14:00

• On the nature of the core of alpha Cen A (M. Bazot, IT  in person)  14:00-14:30
• Current results and future prospects from asteroseismology of alpha Cen AB (S. Salmon, IT  online) 14:30-15:00 
• The Perfect System: alpha Centauri A & B as Ideal Calibrators of Energy Transport Formalisms in Stellar Evolution Models (M. Joyce, IT in person) 15:00-15:30

Break 15:30-16:00

• The evolution of stellar triples. (S. Toonen, IT online) 16:00-16:30
• α Cen: an usual triple system? (T. Merle, IT  in person)  16:30-17:00
• The fundamental parameters of alpha centauri A&B (P. Kervella, IT in person) 17:00-17:30
• Alpha Centauri A and B as reliable long-term members of the Gaia FGK benchmark stars (U. Heiter, CT in person) 17:30-17:50. 

Cocktail at the hotel Saint Paul 18:30

Tuesday 27/6. Detection methods for exoplanets : Radial velocity, imaging, transit

• Detecting the closest Earth-mass planets with ESPRESSO. (J. Faria IT in person)  9:30-10:00
• The loneliness of the candidate companion Proxima c. (M. Damasso  IT in person) 10:00-10:30

Break 10:30-11:00

• Impact of stellar activity on RV (R. Roettenbacher, IT in person)  11:00-11:30
• Astrometric detection limits in the habitable zone of nearby stars due to stellar variability (N. Meunier, IT in person) 11:30:12:00

Lunch 12:00-14:00

• Simulating transits with 3D stellar atmosphere models. (L. F. Rodriguez Diaz, IT online) 14:00-14:30
• Search for transiting exoplanets in the Alpha Centauri system (B. Demory, IT online) 14:30-15:00
• Directly Image Regions "Behind" Coronagraphs: Results from the HST/STIS GO-17135 Program (Bin Ren, CT  in person) 15:00-15:30

Break 15:30-16:00

• Direct Imaging Searches for Planets Within Alpha Centauri (K. Wagner, IT in person) 16:00-16:30
• Occurrence rates for planets around Alpha Centauri (R. Belikov, CT online) 16:30-16:50  

Wednesday 28/6.

• work in groups

Break 10:35-11:00

• work in groups

Lunch 12:00-14:00 

Free afternoon 

Public outreach seminar "D'autres mondes dans le cosmos" in town by M. Mayor (18:30-20:00) : in french (see link)

Thursday 29/6. Formation and stability 

• Building planets in multiple stellar systems:   disc formation, dynamics & evolution. (N. Cuello, IT in person). 9:30-10:00
• Formation of rocky super-earths from a narrow ring of planetesimals (A. Morbidelli, IT in person).  10:00:10:30
• Break 10:30-11:00

• Evolution and dynamics of Compact Hierarchical Triples. (Ayush Moharana, CT online)  11:00-11:20
• A study of the orbital dynamics of the stellar system Alpha Centauri. (Luca Piccotti, CT online) 11:20-11:40
• The Roman Space Telescope Coronagraph (Eduardo Bendek, CT in person) 11:40-12:00.

Lunch 12:00-14:00

Thursday 29/6. Habitability 

• Biosignature and habitability of the alpha Centauri system (F. Selsis, IT  online)  14:00 - 14:30
• Habitability in Alpha Centauri AB: an astrodynamics perspective (B. Quarles, IT online) 14:30 - 15:00
•  
• Break  15:00-15:30
•  
• Search for the habitable worlds by their atmosphere characterization (Manika Singla, CT in person) 15:30-15:50
• Comparative Exoplanetology: A Postulated Alpha-Cen-Earth versus the Earth (Haiyang Wang CT, online) 15:50-16:10
• JWST observations of the Alpha Centauri system (Charles Beichman IT online)  16:10:16:40

Friday 30/6  Instrumentation, prospects and 2028 conjonction

• The ELT roadmap and instrumentation, and the future prospects for an unprecedented view of Alpha Centauri (G. Chauvin, IT in person) 9:15-9:45
• TOLIMAN Mission Science team (E. Bendek, IT in person) 9:45-10:15
• The MIRECLE Concept: A Small Mid-IR Observatory to Study Prox Cen b and Other Non-Transiting Planets Orbiting the Nearest M-Stars (A. Mandell, online)  10:15-10:35

Break 10:35-11:00

• Orbits the alpha centauri system and the 2028 conjunction (P. Kervella, IT in person)   11:00-11-30 
• Discussions and prospects 11:30 - 12:00 

Lunch 12:00-14:00 

End of the workshop