A LOW STELLAR OBLIQUITY FOR WASP-47, A COMPACT MULTIPLANET SYSTEM WITH A HOT JUPITER AND AN ULTRA-SHORT PERIOD PLANET

A LOW STELLAR OBLIQUITY FOR WASP-47, A COMPACT MULTIPLANET SYSTEM WITH A HOT JUPITER AND AN ULTRA-SHORT PERIOD PLANET

We have detected the Rossiter-Mclaughlin effect during a transit of WASP-47b, the only known hot Jupiter with close planetary companions. By combining our spectroscopic observations with Kepler photometry, we show that the projected stellar obliquity is λ = 0° ± 24°. We can firmly exclude a retrogra...

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Main Authors: Sanchis-Ojeda, Roberto (Author), Dai, Fei (Contributor), Howard, Andrew W. (Author), Isaacson, Howard (Author), Marcy, Geoffrey W. (Author), Petigura, Erik (Author), Sinukoff, Evan (Author), Weiss, Lauren (Author), Albrecht, Simon (Author), Hirano, Teruyuki (Author), Rogers, Leslie (Author), Winn, Joshua Nathan (Contributor)
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, 2016-01-14T00:34:44Z.
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