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Please use this identifier to cite or link to this item: http://hdl.handle.net/20.500.12386/28695
Title: SOPHIE velocimetry of Kepler transit candidates. XIX. The transiting temperate giant planet KOI-3680b
Authors: Hébrard, G.
BONOMO, ALDO STEFANO 
Díaz, R. F.
Santerne, A.
Santos, N. C.
Almenara, J. -M.
Barros, S. C. C.
Boisse, I.
Bouchy, F.
BRUNO, GIOVANNI 
Courcol, B.
Deleuil, M.
Demangeon, O.
Guillot, T.
Montagnier, G.
Moutou, C.
Rey, J.
Wilson, P. A.
Issue Date: 2019
Journal: ASTRONOMY & ASTROPHYSICS 
Number: 623
First Page: A104
Abstract: Whereas thousands of transiting giant exoplanets are known today, only a few are well characterized with long orbital periods. Here we present KOI-3680b, a new planet in this category. First identified by the Kepler team as a promising candidate from the photometry of the Kepler spacecraft, we establish here its planetary nature from the radial velocity follow-up secured over 2 yr with the SOPHIE spectrograph at Observatoire de Haute-Provence, France. The combined analysis of the whole dataset allows us to fully characterize this new planetary system. KOI-3680b has an orbital period of 141.2417 ± 0.0001 days, a mass of 1.93 ± 0.20 M<SUB>Jup</SUB>, and a radius of 0.99 ± 0.07 R<SUB>Jup</SUB>. It exhibits a highly eccentric orbit (e = 0.50 ± 0.03) around an early G dwarf. KOI-3680b is the transiting giant planet with the longest period characterized so far around a single star; it offers opportunities to extend studies which were mainly devoted to exoplanets close to their host stars, and to compare both exoplanet populations.
URI: http://hdl.handle.net/20.500.12386/28695
URL: https://www.aanda.org/articles/aa/full_html/2019/03/aa34333-18/aa34333-18.html
ISSN: 0004-6361
DOI: 10.1051/0004-6361/201834333
Bibcode ADS: 2019A&A...623A.104H
Fulltext: open
Appears in Collections:1.01 Articoli in rivista

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