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Spectroscopic identifications of blue H-alpha excess sources in the Kepler field-of-view

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arxiv 1210.3038 v1 pith:EX5Z23VY submitted 2012-10-10 astro-ph.SR

Spectroscopic identifications of blue H-alpha excess sources in the Kepler field-of-view

classification astro-ph.SR
keywords cataclysmickeplervariablesbluecandidatesexcessfield-of-viewfirst
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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We present the first results of an ongoing spectroscopic follow-up program of blue H-alpha excess sources within the Kepler field-of-view, in order to identify new cataclysmic variables. Kepler observations of the identified targets in this work will then provide detailed, time-resolved, studies of accretion. Candidates selected from the Kepler-INT Survey were observed with the 4.2 meter William Herschel Telescope. Out of 38 observed candidates, we found 11 new cataclysmic variables reported here for the first time, as well as 13 new quasars. Our target selection has a success rate of 29% when searching for cataclysmic variables, and we show how this can be improved by including photometry obtained with the Wide-field Infrared Survey Explorer.

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