Schedule / Recorded Talks
Times in Eastern Standard Time (UTC – 5:00)
09:00 – 09:10
Introduction to the Symposium
Néstor Espinoza & Benjamin Rackham
09:10 – 09:40
Stellar Photospheric & Chromospheric Heterogeneity
SAG21 Overview Talk
Svetlana Berdyugina, Heidi Korhonen & Alexander Shapiro
09:40 – 10:46
Contributed Talks 1
Session Chair: Heidi Korhonen | 9+2 min talks
9:40
Solar Transits: Finding Earth-like Planets Around Sun-like Stars
Greg Kopp (U. of Colorado)
9:51
Measuring and modeling the variability of solar Balmer lines
Serena Criscuoli (National Solar Observatory)
10:02
Modeling Starspot Features on a Solar-type Star with an M-dwarf Companion
Maria C. Schutte (University of Oklahoma)
10:13
Forward modelling of stellar atmospheres in support of transmission spectroscopy of exoplanets
Sven Wedemeyer (Rosseland Centre for Solar Physics, U. of Oslo)
10:24
Stellar RV calculations from realistic MHD atmospheres of spots, plages, and quiet star regions on different spectral types
Mayukh Panja (Max Planck Institute for Solar System Research)
10:35
Spectral limb darkening response to stellar surface magnetic field
Nadiia Kostogryz (Max-Planck-Institut für Sonnensystemforschung)
Break 10:46 – 11:00
11:00 – 11:30
Occulted Active Regions
SAG21 Overview Talk
Brett Morris & Mahmoud Oshagh
11:30 – 12:30
Contributed Talks 2
Session Chair: Mahmoud Oshagh | 9+2 min talks
11:30
Observing planet-starspot crossings with the James Webb Space Telescope
Giovanni Bruno (INAF)
11:41
On the fraction of variable host stars among the known hot Jupiters
Matthias Mallonn (Leibniz Institute for Astrophysics Potsdam)
11:52
Using multi-band photometry to model and correct stellar activity effects in transmission spectroscopy
Ignasi Ribas (Institute of Space Sciences (ICE, CSIC) & IEEC)
12:03
Stellar Decomposition Using Out of Transit Transmission Spectral Data
Chima McGruder (Harvard University)
12:14
The challenge of combining multi-epoch observations of exoplanet atmospheres
Vatsal Panwar (University of Amsterdam)
12:30 – 13:00
Stellar & Planetary Retrievals
SAG21 Overview Talk
Ryan MacDonald & Benjamin Rackham
(on behalf of Joanna Barstow and Subgroup 2)
09:00 – 09:30
Unocculted Active Regions
SAG21 Overview Talk
Ben Montet & Yvonne Unruh
09:30 – 10:30
Contributed Talks 3
Session Chair: Elisabeth Newton | 9+2 min talks
9:30
Rinse and Repeat: Strategies for Transit Spectroscopy in the Ultraviolet
Leonardo dos Santos (University of Geneva)
9:41
Hubble Spectroscopy of the Habitable-zone Super-Earth LHS 1140 b
Billy Edwards (University College London)
9:52
Trappist-1h transmission spectrum: knowing the star
Lionel Garcia (University of Liège, Belgium)
10:03
The GIARPS view of the extended helium atmosphere of HD 189733 b accounting for stellar activity
Gloria Guilluy (Osservatorio Astrofisico di Torino)
10:14
Spectral Resolution-Linked Bias in Transit Spectroscopy
Drake Deming (University of Maryland)
10:30 – 11:00
Future Complimentary Observations
SAG21 Overview Talk
Elisa Quintana & Rob Zellem
Break 11:00 – 11:15
11:15 – 12:00
Contributed Talks 4
Session Chair: Néstor Espinoza | 9+2 min talks
11:15
Gaussian Process Kernels and Their Relation to Stellar Spot Distribution Models
Manuel Perger (Institut de Ciéncies de l'Espai (ICE-CSIC, IEEC))
11:26
PoET: a solar telescope for planet hunters
Nuno C. Santos (IA/U. Porto)
11:37
The Pandora SmallSat: Multiwavelength Characterization of Exoplanets and their Host Stars
Jessie Dotson (NASA Ames Research Center)
11:48
Studying Terrestrial Atmospheres Remotely via a Habitable Earth Lagrange Instrument Explorer
Laura Mayorga (The Johns Hopkins University Applied Physics Laboratory)
12:00 – 13:00