The Interstellar Medium in the Kepler Search Volume

Details The Interstellar Medium in the Kepler Search Volume The Interstellar Medium in the Kepler Search Volume

Jan 2012

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2012aas...21934916j&link_type=abstract

American Astronomical Society, AAS Meeting #219, #349.16

Astronomy and Astrophysics

Astronomy

Scientific paper

We present the results of a study of interstellar medium (ISM) clouds within the Kepler search volume. The density of the ISM surrounding a star affects the size of its astrosphere, in turn impacting the cosmic ray flux within the astrosphere, potentially having consequences for the climate and habitability of any planets orbiting the star. The greatest concentration of known planets will soon be in the Kepler search volume, and so we investigate the ISM in this direction. We used the 2.7-m Harlan J. Smith Telescope at McDonald Observatory to obtain high-resolution spectra of a sample of early-type stars within the Kepler field of view, spread over a wide range of distances. We fit the interstellar Na I and K I lines to derive parameters for ISM clouds along the line of sight to these stars and construct a preliminary map of clouds within the Kepler search volume.

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