Deep GALEX UV Survey of the Kepler Field. I. Point Source Catalog

Manuel Olmedo, James Lloyd, Eric E. Mamajek, Miguel Chávez, Emanuele Bertone, D. Christopher Martin, James D. Neill

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We report observations of a deep near-ultraviolet (NUV) survey of the Kepler field made in 2012 with the Galaxy Evolution Explorer (GALEX) Complete All-Sky UV Survey Extension (CAUSE). The GALEX-CAUSE Kepler survey (GCK) covers 104 square degrees of the Kepler field and reaches a limiting magnitude of NUV ≃ 22.6 at 3σ. Analysis of the GCK survey has yielded a catalog of 669,928 NUV sources, of which 475,164 are cross-matched with stars in the Kepler Input Catalog. Approximately 327 of 451 confirmed exoplanet host stars and 2614 of 4696 candidate exoplanet host stars identified by Kepler have NUV photometry in the GCK survey. The GCK catalog should enable the identification and characterization of UV-excess stars in the Kepler field (young solar-type and low-mass stars, chromospherically active binaries, white dwarfs, horizontal branch stars, etc.), and elucidation of various astrophysics problems related to the stars and planetary systems in the Kepler field.
Original languageEnglish
Article number100
Pages (from-to)100
JournalAstrophysical Journal
Issue number2
Publication statusPublished - 10 Nov 2015
Externally publishedYes

Bibliographical note

Publisher Copyright:
© 2015. The American Astronomical Society. All rights reserved.

Copyright 2015 Elsevier B.V., All rights reserved.

All Science Journal Classification (ASJC) codes

  • Astronomy and Astrophysics
  • Space and Planetary Science


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