K2-140b - An eccentric 6.57 d transiting hot Jupiter in Virgo
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Giles, Helen A C; Bayliss, Daniel; Espinoza, N; Brahm, R; Blanco-Cuaresma, S.; Shporer, Avi; Armstrong, David J.; Lovis, C; Udry, S; Bouchy, François; Marmier, M; Jordán, A; Bento, Joao
Description
We present the discovery of K2-140b, a P = 6.57 d Jupiter-mass (MP = 1.019 ± 0.070MJup) planet transiting a V = 12.5 (G5-spectral type) star in an eccentric orbit (e = 0.120-0.046 +0.056) detected using a combination of K2 photometry and ground-based observations. With a radius of 1.095 ± 0.018 RJup, the planet has a bulk density of 0.726 ± 0.062 ρJup. The host star has a [Fe/H] of 0.12 ± 0.045, and from the K2 light curve, we find a rotation period for the star of 16.3 ± 0.1 d. This discovery...[Show more]
Collections | ANU Research Publications |
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Date published: | 2018 |
Type: | Journal article |
URI: | http://hdl.handle.net/1885/251691 |
Source: | Monthly Notices of the Royal Astronomical Society |
DOI: | 10.1093/MNRAS/STX3300 |
Access Rights: | Open Access |
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01_Giles_K2-140b_-_An_eccentric_6.57_d_2018.pdf | 1.15 MB | Adobe PDF |
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