Journal Article

Directed follow-up strategy of low-cadence photometric surveys in search of transiting exoplanets – I. Bayesian approach for adaptive scheduling

Yifat Dzigan and Shay Zucker

in Monthly Notices of the Royal Astronomical Society

Published on behalf of The Royal Astronomical Society

Volume 415, issue 3, pages 2513-2522
Published in print August 2011 | ISSN: 0035-8711
Published online August 2011 | e-ISSN: 1365-2966 | DOI: http://dx.doi.org/10.1111/j.1365-2966.2011.18876.x
Directed follow-up strategy of low-cadence photometric surveys in search of transiting exoplanets – I. Bayesian approach for adaptive scheduling

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We propose a novel approach to utilize low-cadence photometric surveys for exoplanetary transit search. Even if transits are undetectable in the survey data base alone, it can still be useful for finding preferred times for directed follow-up observations that will maximize the chances to detect transits. We demonstrate this approach through a few simulated cases. These simulations are based on the Hipparcos Epoch Photometry data base and on the transiting planets whose transits were already detected there. In principle, the approach we propose will be suitable for the directed follow-up of the photometry from the planned Gaia mission, and it can hopefully significantly increase the yield of exoplanetary transits detected, thanks to Gaia.

Keywords: methods: data analysis; methods: observational; methods: statistical; techniques: photometric; surveys; planetary systems

Journal Article.  6943 words.  Illustrated.

Subjects: Astronomy and Astrophysics

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