A Transiting Planet of a Sun-like Star

  title={A Transiting Planet of a Sun-like Star},
  author={Peter Rankin McCullough and J. E. Stys and Jeff A. Valenti and Christopher M. Johns–Krull and Kenneth Allan Janes and James N. Heasley and Bethany A. Bye and C. Dodd and Scott W. Fleming and April Pinnick and R. H. Bissinger and Bruce L. Gary and Paul J. Howell and Tonny Vanmunster},
  journal={The Astrophysical Journal},
A planet transits an 11th magnitude, G1 V star in the constellation Corona Borealis. We designate the planet XO-1b and the star XO-1, also known as GSC 02041-01657. XO-1 lacks a trigonometric distance; we estimate it to be 200 ± 20 pc. Of the 10 stars currently known to host extrasolar transiting planets, the star XO-1 is the most similar to the Sun in its physical characteristics: its radius is 1.0 ± 0.08 R☉, its mass is 1.0 ± 0.03 M☉, its V sin i < 3 km s-1, and its metallicity [Fe/H] is 0… Expand
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