Exploring the Habitable Zone for Kepler planetary candidates

Details Exploring the Habitable Zone for Kepler planetary candidates Exploring the Habitable Zone for Kepler planetary candidates

2011-05-04

arxiv.org/abs/1105.0861v2

Astronomy and Astrophysics

Astrophysics

Earth and Planetary Astrophysics

8 pages, 3 figures, 2 tables, ApJL accepted

Scientific paper

This paper outlines a simple approach to evaluate habitability of terrestrial planets by assuming different types of planetary atmospheres and using corresponding model calculations. Our approach can be applied for current and future candidates provided by the Kepler mission and other searches. The resulting uncertainties and changes in the number of planetary candidates in the HZ for the Kepler February 2011 data release are discussed. To first order the HZ depends on the effective stellar flux distribution in wavelength and time, the planet albedo, and greenhouse gas effects. We provide a simple set of parameters which can be used for evaluating current and future planet candidates from transit searches.

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