Characteristics of planetary candidates observed by Kepler, II: Analysis of the first four months of data

@article{Borucki2011CharacteristicsOP,
  title={Characteristics of planetary candidates observed by Kepler, II: Analysis of the first four months of data},
  author={William J. Borucki and David G. Koch and Gibor S. Basri and Natalie M. Batalha and Timothy M. Brown and Stephen T. Bryson and Douglas A. Caldwell and J{\o}rgen Christensen-Dalsgaard and William D. Cochran and E. K. Devore and Edward Wood Dunham and Thomas Gautier and John Charles Geary and Ronald L. Gilliland and A. D. Gould and Steve B. Howell and Jon M. Jenkins and David W. Latham and Jack J. Lissauer and Geoffrey W. Marcy and Jason F. Rowe and Dimitar D. Sasselov and Alan P. Boss and David Charbonneau and David R. Ciardi and Laurance R. Doyle and Andrea K. Dupree and Eric B. Ford and Jonathan J. Fortney and Matthew J. Holman and Sara Seager and Jason H. Steffen and Jill Tarter and William F. Welsh and Christopher D.C. Allen and Lars A. Buchhave and Jessie L. Christiansen and Bruce D. Clarke and J.-M. D'esert and Michael Endl and Daniel C. Fabrycky and François Fressin and Michael Haas and Elliott P. Horch and Andrew W. Howard and Howard T. Isaacson and Hans Kjeldsen and Jeffery J. Kolodziejczak and Craig Kulesa and Jie Li and Pavel Mach{\'a}lek and Donald W Mccarthy and Phillip J. MacQueen and S{\o}ren Meibom and Thibaut Miquel and Andrej Pr{\vs}a and Samuel N. Quinn and Elisa V. Quintana and Darin Ragozzine and William Henry Sherry and Avi Shporer and Peter Tenenbaum and Guillermo Torres and Joseph D. Twicken and Jeffrey Edward van Cleve and Lucianne M. Walkowicz},
  journal={The Astrophysical Journal},
  year={2011},
  volume={736},
  pages={19}
}
On 2011 February 1 the Kepler mission released data for 156,453 stars observed from the beginning of the science observations on 2009 May 2 through September 16. There are 1235 planetary candidates with transit-like signatures detected in this period. These are associated with 997 host stars. Distributions of the characteristics of the planetary candidates are separated into five class sizes: 68 candidates of approximately Earth-size (R_p < 1.25 R_⊕), 288 super-Earth-size (1.25 R_⊕ ≤ R_p < 2 R_… Expand
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