Planetary Candidates from the First Year of the K2 Mission

Andrew Vanderburg, David W. Latham, Lars A. Buchhave, Allyson Bieryla, Perry Berlind, Michael L. Calkins, Gilbert A. Esquerdo, Sophie Welsh, John Asher Johnson
(Submitted on 24 Nov 2015)

The Kepler Space Telescope is currently searching for planets transiting stars along the ecliptic plane as part of its extended K2 mission. We processed the publicly released data from the first year of K2 observations (Campaigns 0, 1, 2, and 3) and searched for periodic eclipse signals consistent with planetary transits. Out of 59,174 targets we searched, we detect 234 planetary candidates around 208 stars. These candidates range in size from gas giants to smaller than the Earth, and range in orbital periods from hours to over a month. We conducted initial reconnaissance spectroscopy of 68 of the brighter candidate host stars, and present high resolution optical spectra for these stars. We make all of our data products, including light curves, spectra, and vetting diagnostics available to users online.

Comments: Accepted by ApJS. 23 pages, 4 figures, 5 tables
Subjects: Earth and Planetary Astrophysics (astro-ph.EP); Instrumentation and Methods for Astrophysics (astro-ph.IM); Solar and Stellar Astrophysics (astro-ph.SR)
Cite as: arXiv:1511.07820 [astro-ph.EP] (or arXiv:1511.07820v1 [astro-ph.EP] for this version)
Submission history
From: Andrew Vanderburg
[v1] Tue, 24 Nov 2015 17:47:57 GMT (903kb)
http://arxiv.org/abs/1511.07820