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WASP-8b : a retrograde transiting planet in a multiple system
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Queloz, D., Anderson, D., Collier Cameron, A., Gillon, M., Hebb, L., Hellier, C., Maxted, P., Pepe, F., Pollacco, Don, Ségransan, D., Smalley, B., Triaud, A. H. M. J., Udry, S. and West, Richard G. (2010) WASP-8b : a retrograde transiting planet in a multiple system. Astronomy and Astrophysics, Volume 517 . Article number L1. doi:10.1051/0004-6361/201014768
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Official URL: http://dx.doi.org/10.1051/0004-6361/201014768
Abstract
We report the discovery of WASP-8b, a transiting planet of 2.25 ± 0.08 MJup on a strongly inclined eccentric 8.15-day orbit, moving in a retrograde direction to the rotation of its late-G host star. Evidence is found that the star is in a multiple stellar system with two other companions. The dynamical complexity of the system indicates that it may have experienced secular interactions such as the Kozai mechanism or a formation that differs from the “classical” disc-migration theory.
| Item Type: | Journal Article | ||||
|---|---|---|---|---|---|
| Divisions: | Faculty of Science > Physics | ||||
| Journal or Publication Title: | Astronomy and Astrophysics | ||||
| Publisher: | EDP Sciences | ||||
| ISSN: | 0004-6361 | ||||
| Official Date: | July 2010 | ||||
| Dates: |
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| Volume: | Volume 517 | ||||
| Article Number: | Article number L1 | ||||
| DOI: | 10.1051/0004-6361/201014768 | ||||
| Status: | Peer Reviewed | ||||
| Publication Status: | Published | ||||
| Access rights to Published version: | Restricted or Subscription Access |
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