Planet Candidates from K2 Campaigns 5-8 and Follow-Up Optical Spectroscopy

  title={Planet Candidates from K2 Campaigns 5-8 and Follow-Up Optical Spectroscopy},
  author={E. Petigura and I. Crossfield and H. Isaacson and C. Beichman and J. Christiansen and C. Dressing and B. Fulton and A. Howard and M. Kosiarek and S. Lepine and J. E. Schlieder and E. Sinukoff and S. Yee},
  journal={arXiv: Earth and Planetary Astrophysics},
  • E. Petigura, I. Crossfield, +10 authors S. Yee
  • Published 2017
  • Physics
  • arXiv: Earth and Planetary Astrophysics
  • We present 151 planet candidates orbiting 141 stars from K2 campaigns 5-8 (C5-C8), identified through a systematic search of K2 photometry. In addition, we identify 16 targets as likely eclipsing binaries, based on their light curve morphology. We obtained follow-up optical spectra of 105/141 candidate host stars and 8/16 eclipsing binaries to improve stellar properties and to identify spectroscopic binaries. Importantly, spectroscopy enables measurements of host star radii with $\approx$10… CONTINUE READING
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