3 papers
astro-ph.IM2026
Nancy Grace Roman Space Telescope Wide Field Instrument: Bright Point Source Saturation Response and Persistence Properties from Thermal-Vacuum Testing
Dana R. Louie, Robert F. Wilson, Thomas Barclay +19
The Nancy Grace Roman Space Telescope's Wide Field Instrument (WFI) will observe hundreds of thousands of bright stars across its Core Community Surveys, particularly in the dense…
astro-ph.EP2025
Pre-discovery TESS Observations of Interstellar Object 3I/ATLAS
Jorge Martinez-Palomera, Amy Tuson, Christina Hedges +3
3I/ATLAS, also known as C2025 N1 (ATLAS), is the third known macroscopic interstellar object to pass through our Solar System. We report serendipitous Transiting Exoplanet Survey S…
astro-ph.EP2025
Seasonal Changes in the Atmosphere of HD 80606b Observed with JWST's NIRSpec/G395H
James T. Sikora, Jason F. Rowe, Jared Splinter +11
High-eccentricity gas giant planets serve as unique laboratories for studying the thermal and chemical properties of H/He-dominated atmospheres. One of the most extreme cases is HD…