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ORBITAL ARCHITECTURES of PLANET-HOSTING BINARIES. I. FORMING FIVE SMALL PLANETS in the TRUNCATED DISK of KEPLER-444A

Dupuy, Trent; Kratter, Kaitlin M; Kraus, A L; Isaacson, H.; Mann, Andrew W; Howard, Andrew; Huber, D; Ireland, Michael

Description

We present the first results from our Keck program investigating the orbital architectures of planet-hosting multiple star systems. Kepler-444 is a metal-poor triple star system that hosts five sub-Earth-sized planets orbiting the primary star (Kepler-444A), as well as a spatially unresolved pair of M dwarfs (Kepler-444BC) at a projected distance of $1\buildrel{\prime\prime}\over{.} 8$ (66 AU). We combine our Keck/NIRC2 adaptive optics astrometry with multi-epoch Keck/HIRES RVs of all three...[Show more]

CollectionsANU Research Publications
Date published: 2016
Type: Journal article
URI: http://hdl.handle.net/1885/152235
Source: The Astrophysical Journal
DOI: 10.3847/0004-637X/817/1/80
Access Rights: Open Access

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