GJ 1252 b: a 1.2 R⊕ planet transiting an M3 dwarf at 20.4 pc

GJ 1252 b: a 1.2 R⊕ planet transiting an M3 dwarf at 20.4 pc

We report the discovery of GJ 1252 b, a planet with a radius of 1.193 ± 0.074 R and an orbital period of 0.52 days around an M3-type star (0.381 ± 0.019 M, 0.391 ± 0.020 R) located 20.385 ± 0.019 pc away. We use Transiting Exoplanet Survey Satellite (TESS) data, ground-based photometry and spectrosc...

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Main Authors: Shporer, Abraham-Avi (Author), Matthews, Elisabeth C (Author), Daylan, Tansu (Author), Günther, Maximilian N. (Author), Huang, Chelsea X. (Author), Ricker, George R (Author), Vanderspek, Roland K (Author), Seager, Sara (Author), Villasenor, Jesus Noel Samonte (Author)
Other Authors: Massachusetts Institute of Technology. Department of Physics (Contributor), MIT Kavli Institute for Astrophysics and Space Research (Contributor)
Format: Article
Language:English
Published: American Astronomical Society, 2020-05-28T15:51:26Z.
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