Vulcan Identification of Eclipsing Binaries in the Kepler Field of View

Details Vulcan Identification of Eclipsing Binaries in the Kepler Field of View Vulcan Identification of Eclipsing Binaries in the Kepler Field of View

May 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007aas...210.0307m&link_type=abstract

American Astronomical Society Meeting 210, #03.07; Bulletin of the American Astronomical Society, Vol. 39, p.98

Astronomy and Astrophysics

Astronomy

2

Scientific paper

We report the discovery of 236 new eclipsing binary stars located in and around the field of view of the Kepler Mission. The binaries were identified from photometric light curves from the Vulcan exoplanet transit survey. The Vulcan camera is comprised of a modest aperture (10cm) f/2.8 Canon lens focusing a 7° x 7° field of view onto a 4096 x 4096 Kodak CCD. The system yields an hour-to-hour relative precision of 0.003 on 12th magnitude stars and saturates at 9th magnitude. The binaries have magnitudes in the range of 9.5 < V < 13.5 and periods ranging from 0.5 to 13 days. The milli-magnitude photometric precision allows detection of transits as shallow as 1%. The catalog contains a total of 273 eclipsing binary stars, including detached systems (high and low mass ratio), contact binaries, and triple systems. We present the derived orbital/transit properties, light curves, and stellar properties for selected targets. In addition, we summarize the results of radial velocity follow-up work.
Support for this work came from NASA's Discovery Program and NASA's Origins of the Solar System Program.

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