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The TESS-Keck Survey. XII. A Dense 1.8 R_\oplus Ultra-Short-Period Planet Possibly Clinging to a High-Mean-Molecular-Weight Atmosphere After the First Gyr

By Ryan Rubenzahl and others
The extreme environments of ultra-short-period planets (USPs) make excellent laboratories to study how exoplanets obtain, lose, retain, and/or regain gaseous atmospheres. We present the confirmation and characterization of the USP TOI-1347 b, a 1.8 \pm 0.1 R_\oplus planet on a 0.85 day orbit that was detected with photometry from the... Show more
February 12, 2024
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The TESS-Keck Survey. XII. A Dense 1.8 R$_\oplus$ Ultra-Short-Period Planet Possibly Clinging to a High-Mean-Molecular-Weight Atmosphere After the First Gyr
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