TESS-Keck Survey. IX. Masses of Three Sub-Neptunes Orbiting HD 191939 and the Discovery of a Warm Jovian plus a Distant Substellar Companion
Exoplanet systems with multiple transiting planets are natural laboratories for testing planetary astrophysics. One such system is HD 191939 (TOI 1339), a bright (V = 9) and Sun-like (G9V) star, which TESS found to host three transiting planets (b, c, and d). The planets have periods of 9, 29, and 3...
Main Author: | Seager, Sara |
---|---|
Other Authors: | Massachusetts Institute of Technology. Department of Earth, Atmospheric, and Planetary Sciences |
Format: | Article |
Language: | English |
Published: |
American Astronomical Society
2023
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Online Access: | https://hdl.handle.net/1721.1/148488 |
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