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A SUPER-EARTH TRANSITING A NAKED-EYE STARBased on data from the MOST satellite, a Canadian Space Agency mission, jointly operated by Dynacon Inc., the University of Toronto Institute for Aerospace Studies, and the University of British Columbia, with the assistance of the University of Vienna.

Authors
  • Joshua N, Winn
  • Jaymie M, Matthews
  • Rebekah I, Dawson
  • Daniel, Fabrycky
  • Matthew J, Holman
  • Thomas, Kallinger
  • Rainer, Kuschnig
  • Dimitar, Sasselov
  • Diana, Dragomir
  • David B, Guenther
  • Anthony F J, Moffat
  • Jason Rowe
  • Slavek, Rucinski
  • Werner W, Weiss
Type
Published Article
Journal
The Astrophysical Journal Letters
Publication Date
Jul 21, 2011
Volume
737
Issue
1
Pages
18–18
Source
SETI Institute
License
Unknown

Abstract

We have detected transits of the innermost planet" e" orbiting 55? Cnc (V= 6.0), based on two weeks of nearly continuous photometric monitoring with the MOST space telescope. The transits occur with the period (0.74 days) and phase that had been predicted by Dawson & Fabrycky, and with the expected duration and depth for the crossing of a Sun- like star by a hot super-Earth. Assuming the star s mass and radius to be 0.963+ 0.051? 0.029 M? and 0.943? 0.010 R?, the planet s mass, radius, and mean density are 8.63? ...

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