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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

Description

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]

CollectionsANU Research Publications
Date published: 2017
Type: Journal article
URI: http://hdl.handle.net/1885/218018
Source: Astronomical Journal
DOI: 10.3847/1538-3881/153/1/15

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