Using All-Sky Surveys to Find Planetary Transits

Details Using All-Sky Surveys to Find Planetary Transits Using All-Sky Surveys to Find Planetary Transits

2002-08-01

arxiv.org/abs/astro-ph/0208042v5

Acta Astron., 53, 213. (2003)

Astronomy and Astrophysics

Astrophysics

Published version, with revisions due to reviewer suggestions, 19 pages including 2 figures

Scientific paper

Transits of bright stars offer a unique opportunity to study detailed properties of extrasolar planets that cannot be determined through radial-velocity observations. We propose a new technique to find such systems using all-sky small-aperture transit surveys. We derive a general formula for the number of stars that can be probed for such systems as a function of the characteristics of the star, the planet, and the survey. We use this formula to derive the optimal telescope design for finding transits of bright stars: a 5 cm ``telescope'' with a 4k x 4k camera.

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