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Assessing the C/O Ratio Formation Diagnostic: A Potential Trend with Companion Mass
Kielan K. W. Hoch, Quinn M. Konopacky, Christopher A. Theissen +6
The carbon-to-oxygen (C/O) ratio in an exoplanet atmosphere has been suggested as a potential diagnostic of planet formation. Now that a number of exoplanets have measured C/O rati…
The Star-Planet Activity Research CubeSat (SPARCS): Determining Inputs to Planetary Habitability
David R. Ardila, Evgenya Shkolnik, Paul Scowen +19
Seventy-five billion low-mass stars in our galaxy host at least one small planet in their habitable zone (HZ). The stellar ultraviolet (UV) radiation received by the planets is str…
The UV-SCOPE Mission: Ultraviolet Spectroscopic Characterization Of Planets and their Environments
David R. Ardila, Evgenya Shkolnik, John Ziemer +22
UV-SCOPE is a mission concept to determine the causes of atmospheric mass loss in exoplanets, investigate the mechanisms driving aerosol formation in hot Jupiters, and study the in…
Moderate-Resolution -Band Spectroscopy of the Substellar Companion VHS 1256 b
Kielan K. W. Hoch, Quinn M. Konopacky, Travis S. Barman +6
We present moderate-resolution () band spectra of the planetary-mass companion VHS 1256 b. The data were taken with the OSIRIS integral field spectrograph at the W.M…
Accurate Modeling of Lyman-alpha Profiles and their Impact on Photolysis of Terrestrial Planet Atmospheres
Sarah Peacock, Travis S. Barman, Adam C. Schneider +4
Accurately measuring and modeling the Lyman- (Ly; 1215.67 Å) emission line from low mass stars is vital for our ability to build predictive high energy stellar spectra, ye…
The JWST Early Release Science Program for the Direct Imaging & Spectroscopy of Exoplanetary Systems
Sasha Hinkley, Aarynn L. Carter, Shrishmoy Ray +83
The direct characterization of exoplanetary systems with high contrast imaging is among the highest priorities for the broader exoplanet community. As large space missions will be…