A Survey of M Stars in the Field of View of Kepler Space Telescope

Details A Survey of M Stars in the Field of View of Kepler Space Telescope A Survey of M Stars in the Field of View of Kepler Space Telescope

2010-12-10

arxiv.org/abs/1012.2234v1

Astronomy and Astrophysics

Astrophysics

Earth and Planetary Astrophysics

2 pages, 1 table, To be published in proceedings of the IAU Symposium No.276

Scientific paper

10.1017/S1743921311020746

M dwarfs constitute more than 70% of the stars in the solar neighborhood. They are cooler and smaller than Sun-like stars and have less-massive disks which suggests that planets around these stars are more likely to be Neptune-size or smaller. The transit depths and transit times of planets around M stars are large and well-matched to the Kepler temporal resolution. As a result, M stars have been of particular interest for searching for planets in both radial velocity and transit photometry surveys. We have recently started a project on searching for possible planet-hosting M stars in the publicly available data from Kepler space telescope. We have used four criteria, namely, the magnitude, proper motion, H-Ks and J-H colors, and searched for M stars in Q0 and Q1 data sets. We have been able to find 108 M stars among which 54 had not been previously identified among Kepler's targets. We discuss the details of our selection process and present the results.

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