Epic 201702477bb: A Transiting Brown Dwarf from K2 in a 41 Day Orbit
Bayliss, Daniel; Hojjatpanah, S.; Santerne, Alexandre; Dragomir, Diana; Zhou, G.; Shporer, Avi; Colón, Knicole D.; Almenara, José Manuel; Armstrong, David J.; Barrado, David; Barros, Susana C.C.; Bento (Da Silva Bento), Joao; Boisse, Isabelle
We report the discovery of EPIC 201702477b, a transiting brown dwarf in a long period (40.73691 ±0.00037 day) and eccentric (e = 0.2281 ±0.0026) orbit. This system was initially reported as a planetary candidate based on two transit events seen in K2 Campaign 1 photometry and later validated as an exoplanet candidate. We confirm the transit and refine the ephemeris with two subsequent ground-based detections of the transit using the Las Cumbres Observatory Global Telescope 1 m telescope...[Show more]
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