Measuring the Recoverability of Close Binaries in Gaia DR2 with the Robo-AO Kepler Survey

Article, Preprint English OPEN
Ziegler, Carl; Law, Nicholas M.; Baranec, Christoph; Morton, Tim; Riddle, Reed; De Lee, Nathan; Huber, Daniel; Mahadevan, Suvrath; Pepper, Joshua;
  • Publisher: American Astronomical Society
  • Journal: volume 156issn: 0004-6256
  • Publisher copyright policies & self-archiving
  • Identifiers: doi: 10.3847/1538-3881/aad80a
  • Subject: high angular resolution [techniques] | close [binaries] | data analysis [methods] | STARS | observational [methods] | Astrophysics - Earth and Planetary Astrophysics | adaptive optics [instrumentation] | SYSTEMS
    arxiv: Astrophysics::Cosmology and Extragalactic Astrophysics | Astrophysics::Galaxy Astrophysics | Astrophysics::Earth and Planetary Astrophysics | Astrophysics::Instrumentation and Methods for Astrophysics | Astrophysics::Solar and Stellar Astrophysics

<p>We use the Robo-AO survey of Kepler planetary candidate host stars, the largest adaptive optics survey yet performed, to measure the recovery rate of close stellar binaries in Gaia DR2. We find that Gaia recovers binaries down to 1 '' at magnitude contrasts as large ... View more