Journal
ASTRONOMY & ASTROPHYSICS
Volume 531, Issue -, Pages -Publisher
EDP SCIENCES S A
DOI: 10.1051/0004-6361/201016208
Keywords
binaries: eclipsing; planetary systems; stars: individual: WASP-31
Categories
Funding
- UK's Science and Technology Facilities Council
- Belgian Science Policy Office
- consortium universities
- STFC [ST/G002355/1, PP/F000081/1, ST/J000035/1, ST/I001719/1, PP/F000057/1, PP/F000065/1, PP/D000955/1, PP/F000073/1] Funding Source: UKRI
- Science and Technology Facilities Council [PP/D000955/1, PP/F000073/1, PP/F000081/1, PP/F000057/1, PP/F000065/1, ST/G002355/1, ST/J000035/1, ST/I001719/1] Funding Source: researchfish
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We report the discovery of the low-density, transiting giant planet WASP-31b. The planet is 0.48 Jupiter masses and 1.55 Jupiter radii. It is in a 3.4-day orbit around a metal-poor, late-F-type, V = 11.7 dwarf star, which is a member of a common proper motion pair. In terms of its low density, WASP-31b is second only to WASP-17b, which is a more highly irradiated planet of similar mass.
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