Orbits of Hot Subdwarf Binaries in the Kepler Field

Details Orbits of Hot Subdwarf Binaries in the Kepler Field Orbits of Hot Subdwarf Binaries in the Kepler Field

Mar 2012

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2012aspc..452..147t&link_type=abstract

Fifth Meeting on Hot Subdwarf Stars and Related Objects, ASP Conference Series Vol. 452, proceedings of a workshop held at Stell

Astronomy and Astrophysics

Astronomy

Scientific paper

We present preliminary results from an ongoing spectroscopic survey for binarity in a sample of 15 pulsating and a few non-pulsating sdB stars observed with the Kepler spacecraft. We used the INT, NOT, KP4m, and WHT telescopes to obtain low-resolution spectroscopy of our sample stars, and applied a standard cross-correlation technique to derive radial-velocities. We find clear evidence for binarity in several of the pulsators, some of which were not previously known to be binaries.

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