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WASP-52b, WASP-58b, WASP-59b, and WASP-60b : four new transiting close-in giant planets
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(2013) WASP-52b, WASP-58b, WASP-59b, and WASP-60b : four new transiting close-in giant planets. Astronomy & Astrophysics, Volume 549 . A134. doi:10.1051/0004-6361/201220363 ISSN 0004-6361.
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Official URL: http://dx.doi.org/10.1051/0004-6361/201220363
Abstract
We present the discovery of four new transiting hot Jupiters, detected mainly from SuperWASP-North and SOPHIE observations. These new planets, WASP-52b, WASP-58b, WASP-59b, and WASP-60b, have orbital periods ranging from 1.7 to 7.9 days, masses between 0.46 and 0.94 M-Jup, and radii between 0.73 and 1.49 R-Jup. Their G1 to K5 dwarf host stars have V magnitudes in the range 11.7-13.0. The depths of the transits are between 0.6 and 2.7%, depending on the target. With their large radii, WASP-52b and WASP-58b are new cases of low-density, inflated planets, whereas WASP-59b is likely to have a large, dense core. WASP-60 shows shallow transits. In the case of WASP-52 we also detected the Rossiter-McLaughlin anomaly via time-resolved spectroscopy of a transit. We measured the sky-projected obliquity lambda = 24 degrees(+17)(-9), indicating that WASP-52b orbits in the same direction as its host star is rotating and that this prograde orbit is slightly misaligned with the stellar equator. These four new planetary systems increase our statistics on hot Jupiters and provide new targets for follow-up studies.
| Item Type: | Journal Article | ||||
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| Subjects: | Q Science > QB Astronomy Q Science > QC Physics |
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| Divisions: | Faculty of Science, Engineering and Medicine > Science > Physics | ||||
| Library of Congress Subject Headings (LCSH): | Planetary systems, Extrasolar planets , Solar polarimetry | ||||
| Journal or Publication Title: | Astronomy & Astrophysics | ||||
| Publisher: | EDP Sciences | ||||
| ISSN: | 0004-6361 | ||||
| Official Date: | 2013 | ||||
| Dates: |
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| Volume: | Volume 549 | ||||
| Article Number: | A134 | ||||
| DOI: | 10.1051/0004-6361/201220363 | ||||
| Status: | Peer Reviewed | ||||
| Publication Status: | Published | ||||
| Access rights to Published version: | Restricted or Subscription Access | ||||
| Date of first compliant deposit: | 18 April 2016 | ||||
| Date of first compliant Open Access: | 18 April 2016 | ||||
| Funder: | Seventh Framework Programme (European Commission) (FP7), Centre national de la recherche scientifique (France) (CNRS), Centre national d'études spatiales (France) (CNES) | ||||
| Grant number: | RG226604 (FP7) |
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