HAT-P-7: A RETROGRADE OR POLAR ORBIT, AND A THIRD BODY

HAT-P-7: A RETROGRADE OR POLAR ORBIT, AND A THIRD BODY

We show that the exoplanet HAT-P-7b has an extremely tilted orbit, with a true angle of at least 86° with respect to its parent star's equatorial plane, and a strong possibility of retrograde motion. We also report evidence for an additional planet or companion star. The evidence for the unpara...

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Bibliographic Details
Main Authors: Winn, Joshua Nathan (Contributor), Johnson, John Asher (Author), Albrecht, Simon H. (Contributor), Howard, Andrew W. (Author), Marcy, Geoffrey W. (Author), Crossfield, Ian J. (Author), Holman, Matthew J. (Author)
Other Authors: Massachusetts Institute of Technology. Department of Physics (Contributor), MIT Kavli Institute for Astrophysics and Space Research (Contributor)
Format: Article
Language:English
Published: American Astronomical Society, 2010-03-03T15:55:38Z.
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