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HD 213885b: A transiting 1-day-period super-Earth with an Earth-like composition around a bright (V=7.9V=7.9) star unveiled by TESS

By Néstor Espinoza and others
We report the discovery of the 1.008-day, ultra-short period (USP) super-Earth HD 213885b (TOI-141b) orbiting the bright (V=7.9V=7.9) star HD 213885 (TOI-141, TIC 403224672), detected using photometry from the recently launched TESS mission. Using FEROS, HARPS and CORALIE radial-velocities, we measure a precise mass of 8.8±0.68.8\pm0.6 MM_\oplus for this $1.74... Show more
November 4, 2019
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HD 213885b: A transiting 1-day-period super-Earth with an Earth-like composition around a bright ($V=7.9$) star unveiled by TESS
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