Spectroscopic Orbits for Kepler FOV Eclipsing Binaries

Details Spectroscopic Orbits for Kepler FOV Eclipsing Binaries Spectroscopic Orbits for Kepler FOV Eclipsing Binaries

Aug 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010noao.prop..379w&link_type=abstract

NOAO Proposal ID #2010B-0379

Computer Science

Scientific paper

We are working on a program of precise photometry with the NASA Kepler Observatory to search for variations in minimum light timing for intermediate mass eclipsing binaries. Such periodic variations will reveal the reflex motion caused by any distant, low mass object that orbits the close binary. Kepler's unprecedented accuracy and continuous observations provide a unique opportunity to detect the low mass companions that are predicted to result from the angular momentum of the natal cloud. We need to determine the masses of the central binary to help estimate the companion mass. The goal of this proposal is to obtain blue spectra of these targets, derive radial velocities, and produce a double-lined spectroscopic orbit. Combined with the Kepler light curve, we will determine very accurate masses, radii, and effective temperatures for the members of the close binary, and this will yield M sin i for any companions detected by light travel time effects.

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