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WASP-40b : independent discovery of the 0.6 MJup transiting exoplanet HAT-P-27b
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(2011) WASP-40b : independent discovery of the 0.6 MJup transiting exoplanet HAT-P-27b. Publications of the Astronomical Society of the Pacific, Vol.123 (No.903). pp. 555-560. doi:10.1086/660135
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Official URL: http://dx.doi.org/10.1086/660135
Abstract
From WASP photometry and SOPHIE radial velocities we report the discovery of WASP-40b (HAT-P-27b), a 0.6 M(Jup) planet that transits its 12th magnitude host star every 3.04 days. The host star is of late G-type or early K-type and likely has a metallicity greater than solar ([Fe/H] = 0.14 +/- 0.11). The planet's mass and radius are typical of the known hot Jupiters, thus adding another system to the apparent pileup of transiting planets with periods near 3-4 days. Our parameters match those of the recent HATnet announcement of the same planet, thus giving confidence in the techniques used. We report a possible indication of stellar activity in the host star.
| Item Type: | Journal Article | ||||
|---|---|---|---|---|---|
| Subjects: | Q Science > QB Astronomy | ||||
| Divisions: | Faculty of Science, Engineering and Medicine > Science > Physics | ||||
| Library of Congress Subject Headings (LCSH): | Extrasolar planets, Extrasolar planets -- Detection, Light curves | ||||
| Journal or Publication Title: | Publications of the Astronomical Society of the Pacific | ||||
| Publisher: | University of Chicago Press | ||||
| ISSN: | 0004-6280 | ||||
| Official Date: | May 2011 | ||||
| Dates: |
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| Volume: | Vol.123 | ||||
| Number: | No.903 | ||||
| Page Range: | pp. 555-560 | ||||
| DOI: | 10.1086/660135 | ||||
| Status: | Peer Reviewed | ||||
| Publication Status: | Published | ||||
| Access rights to Published version: | Restricted or Subscription Access | ||||
| Funder: | European Community (EC), Science and Technology Facilities Council (Great Britain) (STFC) | ||||
| Grant number: | RG226604 (EC) |
Data sourced from Thomson Reuters' Web of Knowledge
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