. (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. ISSN 0004-6280

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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
Date:	May 2011
Volume:	Vol.123
Number:	No.903
Page Range:	pp. 555-560
Identification Number:	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)
URI:	http://wrap.warwick.ac.uk/id/eprint/39923

Data sourced from Thomson Reuters' Web of Knowledge

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