Astronomy and Astrophysics – Astronomy
Scientific paper
May 2008
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008aas...212.1002c&link_type=abstract
American Astronomical Society, AAS Meeting #212, #10.02; Bulletin of the American Astronomical Society, Vol. 40, p.202
Astronomy and Astrophysics
Astronomy
Scientific paper
Eclipsing binary stars are promising places to search for transiting exoplanets because it is reasonable to assume that any planet present will have an orbit coplanar with stellar orbital plane. There are two configurations for stable planetary orbits: far from the binary's center of mass, or close to one of its stars. In the former case, a planet's period can be arbitrarily long and so they are not appropriate targets for a planet search using narrow-field photometry. We present a strategy for choosing eclipsing binary systems which would be most likely to allow a planet closely orbiting one of its stars. A maximum stable period can be determined. Even if a transit is not detected, it is possible with sufficient observation to conclude the non-existence of a planet larger than the detection threshold. We report results of observations of six such systems and propose a target list for further searches, appropriate for telescopes smaller than 1m.
Childers Joseph
Kaitchuck R.
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