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WASP-40b : independent discovery of the 0.6 MJup transiting exoplanet HAT-P-27b

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Anderson, D. R., Barros, S. C. C., Boisse, I., Bouchy, Francois, Collier Cameron, A., Faedi, Francesca, Hébrard, G., Hellier, Coel, Lendl, M., Moutou, Claire et al.
(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

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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 > 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:
DateEvent
May 2011Published
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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