WASP-40b: Independent Discovery of the 0.6 M Transiting Exoplanet HAT-P-27b

Anderson, D. R.; Barros, S. C. C.; Boisse, I.; Bouchy, F.; Collier Cameron, A.; Faedi, F.; Hebrard, G.; Hellier, C.; Lendl, M.; Moutou, C.; Pollacco, D.; Santerne, A.; Smalley, B.; Smith, A. M. S.; Todd, I.; Triaud, A H M J; West, R. G.; Wheatley, P. J.; Bento, J.; Enoch, B.; Gillon, Michaël; Maxted, P. F. L.; McCormac, J.; Queloz, D.; Simpson, E. K.; Skillen, I.

doi:10.1086/660135

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Article (Scientific journals)

WASP-40b: Independent Discovery of the 0.6 M Transiting Exoplanet HAT-P-27b

Anderson, D. R.; Barros, S. C. C.; Boisse, I. et al.

2011 • In Publications of the Astronomical Society of the Pacific, 123, p. 555-560

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https://hdl.handle.net/2268/95418

DOI
10.1086/660135

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Keywords :

Extrasolar Planets

Abstract :

[en] From WASP photometry and SOPHIE radial velocities we report the discovery of WASP-40b (HAT-P-27b), a 0.6 M 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.

Disciplines :

Space science, astronomy & astrophysics

Author, co-author :

Anderson, D. R.

Barros, S. C. C.

Boisse, I.

Bouchy, F.

Collier Cameron, A.

Faedi, F.

Hebrard, G.

Hellier, C.

Lendl, M.

Moutou, C.

More authors (16 more)

Language :

English

Title :

WASP-40b: Independent Discovery of the 0.6 M Transiting Exoplanet HAT-P-27b

Publication date :

01 May 2011

Journal title :

Publications of the Astronomical Society of the Pacific

ISSN :

0004-6280

eISSN :

1538-3873

Publisher :

University of Chicago Press for the Astronomical Society of the Pacific, Chicago, United States - Illinois

Volume :

123

Pages :

555-560

Peer reviewed :

Peer Reviewed verified by ORBi

Additional URL :

http://adsabs.harvard.edu/abs/2011PASP..123..555A

Commentary :

http://de.arxiv.org/abs/1101.4643

Available on ORBi :

since 11 July 2011

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