Published in
American Astronomical Society, Astrophysical Journal, 2(816), p. 95, 2016
DOI: 10.3847/0004-637x/816/2/95
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The Kepler-454 System: A Small, Not-Rocky Inner Planet, a Jovian World, and a Distant Companion
Journal article published in 2016 by
Sara Gettel,
David Charbonneau,
Courtney D. Dressing,
Lars A. Buchhave,
Xavier Dumusque,
Andrew Michael Vanderburg,
Aldo S. Bonomo,
Luca Malavolta 
,
Francesco Pepe,
Andrew Collier Cameron,
Andrew Collier Cameron,
David Winslow Latham,
Stéphane Udry,
Geoffrey W. Marcy,
Howard Isaacson
and other authors.
,
Francesco Pepe,
Andrew Collier Cameron,
Andrew Collier Cameron,
David Winslow Latham,
Stéphane Udry,
Geoffrey W. Marcy,
Howard Isaacson
and other authors.
This paper is made freely available by the publisher.
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Preprint: archiving forbidden
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archiving forbidden
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Abstract
Kepler-454 (KOI-273) is a relatively bright (V = 11.69 mag), Sun-like star that hosts a transiting planet candidate in a 10.6 day orbit. From spectroscopy, we estimate the stellar temperature to be 5687 ± 50 K, its metallicity to be [m/H] = 0.32 ± 0.08, and the projected rotational velocity to be v sin i 10 years and mass >12.1 MJ. The 12 exoplanets with radii