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Paper detail

Resolving the delta Andromedae spectroscopic binary with direct imaging

We present a direct image of the innermost companion to the red giant delta Andromedae using the Stellar Double Coronagraph at the Palomar Observatory. We use a Markov chain Monte Carlo based algorithm to simultaneously reduce the data and perform astrometry and photometry of the companion. We determine that the companion is most likely a main-sequence K-type star and is certainly not the previously hypothesized white dwarf.

preprint2015arXivOpen access
Michael BottomJonas KuhnBertrand MennessonDimitri MawetJean C. SheltonJ. Kent WallaceEugene Serabyn
astro-ph.SR
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Open access7 authors1 topic
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Michael BottomJonas KuhnBertrand MennessonDimitri MawetJean C. SheltonJ. Kent WallaceEugene Serabyn

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