Constraining Orbital Parameters of Extrasolar Planets Through Transit Monitoring

Details Constraining Orbital Parameters of Extrasolar Planets Through Transit Monitoring Constraining Orbital Parameters of Extrasolar Planets Through Transit Monitoring

Jan 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009dps....40.1122v&link_type=abstract

American Astronomical Society, DPS meeting #40, #11.22; Bulletin of the American Astronomical Society, Vol. 41, p.556

Mathematics

Probability

Scientific paper

The orbital parameters of extra-solar planets have a significant impact on the probability that the planet will transit its parent star. This was recently demonstrated by the transit detection of HD 17156b whose favourable eccentricity and argument of periastron dramatically increased its transit likelihood. We demonstrate how these two orbital parameters affect the geometric transit probability as a function of period and apply our insights to known radial velocity planets to show that in some cases, due to the values of eccentricity and argument of periastron, long-period planets have comparatively high transit probabilities. Finally, we calculate the expected transiting planet yield for a photometric monitoring campaign to look for transits of radial velocity planets.

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