A Bayesian multi-planet Kepler periodogram for exoplanet detection

Details A Bayesian multi-planet Kepler periodogram for exoplanet detection A Bayesian multi-planet Kepler periodogram for exoplanet detection

Dec 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005aas...207.6824g&link_type=abstract

American Astronomical Society Meeting 207, #68.24; Bulletin of the American Astronomical Society, Vol. 37, p.1270

Astronomy and Astrophysics

Astronomy

Scientific paper

A Bayesian multi-planet Kepler periodogram has been developed for the analysis of precision radial velocity data (Gregory, Ap. J., 631, 1198, 2005). The periodogram employs a parallel tempering Markov chain Monte Carlo algorithm with a novel statistical control system. Examples of its use will be presented, including a re-analysis of data for HD 208487 (Gregory, 2005b, astro-ph/0509412) for which we find strong evidence for a second planet with a period of 998-62+57 days, an eccentricity of 0.19-0.18+0.05, and an M sin i = 0.46-0.13+0.05 MJ. This research was supported in part by a grant from the Canadian Natural Sciences and Engineering Research Council of Canada at the University of British Columbia.

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