A high stellar obliquity in the WASP-7 exoplanetary system

A high stellar obliquity in the WASP-7 exoplanetary system

We measure a tilt of 86° ± 6° between the sky projections of the rotation axis of the WASP-7 star and the orbital axis of its close-in giant planet. This measurement is based on observations of the Rossiter-McLaughlin (RM) effect with the Planet Finder Spectrograph on the Magellan II telescope. The...

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Bibliographic Details
Main Authors: Albrecht, Simon H. (Contributor), Winn, Joshua Nathan (Contributor), Butler, R. Paul (Author), Crane, Jeffrey D. (Author), Shectman, Stephen A. (Author), Thompso, Ian B. (Author), Hirano, Teruyuki (Contributor), Wittenmyer, Robert A. (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: IOP Publishing, 2012-08-07T15:41:06Z.
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