Programme
Interactive, discussion-based and dynamic workshop
The programme is listed below, including 30 min (20+10) talks as well as longer tutorials and discussion sessions.
All abstracts can be found here. Posters will be made available here as we receive them.
The recorded talks, discussion and tutorials can be found on our YouTube channel.
Day 1 (Monday, 28 March 2022)
12:00 Arrival and lunch
13:30 Suzanne Aigrain: Welcome
Chair: Belinda Nicholson
13:45: Oscar Barragán: Modelling stellar activity variations in the time domain
14:15 Jean-Baptiste Delisle: A Fast GP model for the joint analysis of RV and activity indicators time series
14:45 Sam Halverson: Activity Studies of the Sun as a Star
15:15: Poster talks
15:30 Tea break
16:00 Dan Foreman-Mackey: Scalable GP inference (tutorial)
Social event
Day 2 (Tuesday, 29 March 2022)
Chair: Louise Nielsen
9:30 Nathan Hara: An optimal exoplanet detection criterion
10:00 Sahar Shahaf: New Periodograms Separating Orbital Radial Velocities and Spectral Shape Variation
10:30 Annelies Mortier: Phase shifts between RVs and indicators
11:00 Coffee break
11:30 Lily Zhao: Summary/Discussion of the EXPRES Stellar Signals Project
12:00 Lars Buchhave: Discussion on instrumental systematics and pipelines
12:30 Lunch
Chair: Suzanne Aigrain
14:00 Baptiste Klein: Modelling stellar activity variations in the wavelength space
14:30 Florian Lienhard: Radial Velocities and Magnetic Flux Estimates via Least-Squares Deconvolution
15:00 Zoe de Beurs: Using Machine Learning to Model Stellar Activity in RV Searches
15:30 Tea break
16:00 Michael Cretignier: Correcting stellar activity by PCA applied on a compact representation of spectra
16:30 Xavier Dumusque: Discussion on the impact of instrumental and stellar signals at the spectrum level
Conference dinner
Day 3 (Wednesday, 30 March 2022)
Chair: Oscar Barragán
9:30 Rodrigo Luger: Interpretable Gaussian processes for stellar variability in EPRV datasets
10:00 Two tutorials in parallel:
Yinan Zhao: SOAP-GPU: Efficient Spectral Modelling of Stellar Activity Using Graphical Processing Units
Rodrigo Luger: starry and starry-process
11:00 Coffee break
11:30 David Hogg: Modelling the full stellar surface, and all the pixels of the spectrum (discussion)
12:30 Lunch
Chair: Norbert Zicher
14:00 João Faria: Stellar activity at the cm/s level with ESPRESSO
14:30 Marina Lafarga Magro: Activity effects on stellar spectra
15:00 Belinda Nicholson: Interpreting the hyper-parameters of GP models for activity
15:30 Tea break
16:00 Claudia Di Maio: Optimization of the radial velocity extraction in young/active stars
16:30 Alejandro Suárez Mascareño: V1298 Tau - Extracting planetary signals in extreme stellar activity
17:00 Louise Nielsen: RVs of young, active stars (discussion)
Social event
Day 4 (Thursday, 31 March 2022)
Chair: Haochuan Yu
9:30 Khaled Al Moulla: Radial Velocity Dependence on Line Formation Temperature
10:00 Eric B. Ford: GPs modeling of NEID solar spectra with an emphasis on granulation
10:30 Sharon Xuesong Wang: Modeling Stellar Oscillations in Simultaneous Photometry and RVs
11:00 Coffee break
11:30 Heather Cegla / Jennifer Burt: The EPRV roadmap (discussion)
12:30 Lunch
End of conference