Evidence for unresolved exoplanet-hosting binaries in Gaia DR2

30 Apr 2018 Evans Daniel

This note describes an effort to detect additional stellar sources in known transiting exoplanet (TEP) systems, which are unresolved or barely resolved in the Gaia Data Release 2 (DR2) catalogue. The presence of multiple unresolved stars in photometric and spectroscopic observations of a transiting planetary system biases measurements of the planet's radius, mass, and atmospheric conditions... (read more)

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Categories


  • EARTH AND PLANETARY ASTROPHYSICS
  • SOLAR AND STELLAR ASTROPHYSICS