275 Candidates and 149 Validated Planets Orbiting Bright Stars in K2 Campaigns 0-10
Andrew W. Mayo, Andrew Vanderburg, David W. Latham, Allyson Bieryla,, Timothy D. Morton, Lars A. Buchhave, Courtney D. Dressing, Charles Beichman,, Perry Berlind, Michael L. Calkins, David R. Ciardi, Ian J. M. Crossfield,, Gilbert A. Esquerdo, Mark E. Everett, Erica J. Gonzales

TL;DR
This paper reports the discovery and validation of 149 exoplanets orbiting bright stars from K2 Campaigns 0-10, significantly increasing the known validated planets and providing a framework for future candidate validation.
Contribution
It presents a comprehensive validation of 149 exoplanets from K2 data, including new validated planets and methodological advancements for candidate analysis.
Findings
Validated 149 planets with FPP < 0.1%
Detected a tentative gap in planet radius distribution
Increased the validated K2 planet count by nearly 50%
Abstract
Since 2014, NASA's K2 mission has observed large portions of the ecliptic plane in search of transiting planets and has detected hundreds of planet candidates. With observations planned until at least early 2018, K2 will continue to identify more planet candidates. We present here 275 planet candidates observed during Campaigns 0-10 of the K2 mission that are orbiting stars brighter than 13 mag (in Kepler band) and for which we have obtained high-resolution spectra (R = 44,000). These candidates are analyzed using the VESPA package (Morton 2012, 2015b) in order to calculate their false-positive probabilities (FPP). We find that 149 candidates are validated with an FPP lower than 0.1%, 39 of which were previously only candidates and 56 of which were previously undetected. The processes of data reduction, candidate identification, and statistical validation are described, and the…
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