Kepler-16: A Transiting Circumbinary Planet

  title={Kepler-16: A Transiting Circumbinary Planet},
  author={Laurance R. Doyle and Joshua A. Carter and Daniel C. Fabrycky and Robert William Slawson and Steve B. Howell and Joshua N. Winn and Jerome A. Orosz and Andrej Pr{\vs}a and William F. Welsh and Samuel N. Quinn and David Latham and Guillermo Torres and Lars A. Buchhave and Geoffrey W. Marcy and Jonathan J. Fortney and Avi Shporer and Eric B. Ford and Jack J. Lissauer and Darin Ragozzine and Michael Rucker and Natalie M. Batalha and Jon M. Jenkins and William J. Borucki and David J. Koch and Christopher K. Middour and Jennifer R. Hall and Sean D. McCauliff and Michael Nicholas Fanelli and Elisa V. Quintana and Matthew J. Holman and Douglas A. Caldwell and Martin D. Still and Robert P. Stefanik and Warren R. Brown and Gilbert A. Esquerdo and Sumin Tang and G{\'a}bor Fűr{\'e}sz and John Charles Geary and Perry L. Berlind and M. Calkins and Donald R. Short and Jason H. Steffen and Dimitar D. Sasselov and Edward Wood Dunham and William D. Cochran and Alan P. Boss and Michael R. Haas and Derek L. Buzasi and Debra A. Fischer},
  pages={1602 - 1606}
An exoplanet has been observed, comparable in size and mass to Saturn, that orbits a pair of stars. We report the detection of a planet whose orbit surrounds a pair of low-mass stars. Data from the Kepler spacecraft reveal transits of the planet across both stars, in addition to the mutual eclipses of the stars, giving precise constraints on the absolute dimensions of all three bodies. The planet is comparable to Saturn in mass and size and is on a nearly circular 229-day orbit around its two… 

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