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Hellier, C ORCID: https://orcid.org/0000-0002-3439-1439, Anderson, DR, Collier-Cameron, A, Delrez, L, Gillon, M, Jehin, E, Lendl, M, Maxted, PFL, Neveu-VanMalle, M, Pepe, F, Pollacco, D, Queloz, D, Segransan, D, Smalley, B, Taylor, J, Triaud, AHMJ, Udry, S, Wagg, T and West, RG (2017) WASP-South transiting exoplanets: WASP-130b, WASP-131b, WASP-132b, WASP-139b, WASP-140b, WASP-141b and WASP-142b. Monthly Notices of the Royal Astronomical Society, 465 (3). pp. 3693-3707.

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Abstract

We describe seven exoplanets transiting stars of brightness V = 10.1–12.4. WASP-130b is a ‘warm Jupiter’ having an orbital period of 11.6 d around a metal-rich G6 star. Its mass and radius (1.23 ± 0.04 MJup and 0.89 ± 0.03 RJup) support the trend that warm Jupiters have smaller radii than hot Jupiters. WASP-131b is a bloated Saturn-mass planet (0.27 MJup and 1.22 RJup). Its large scaleheight and bright (V = 10.1) host star make it a good target for atmospheric characterization. WASP-132b (0.41 MJup and 0.87 RJup) is among the least irradiated and coolest of WASP planets, having a 7.1-d orbit around a K4 star. WASP-139b is a ‘super-Neptune’ akin to HATS-7b and HATS-8b, being the lowest mass planet yet found by WASP (0.12 MJup and 0.80 RJup). The metal-rich K0 host star appears to be anomalously dense, akin to HAT-P-11. WASP-140b is a 2.4-MJup planet in an eccentric (e = 0.047 ± 0.004) 2.2-d orbit. The planet's radius is large (1.4 RJup), but uncertain owing to the grazing transit (b = 0.93). The 10.4-d rotation period of the K0 host star suggests a young age, and the time-scale for tidal circularization is likely to be the lowest of all known eccentric hot Jupiters. WASP-141b (2.7 MJup, 1.2 RJup and P = 3.3 d) and WASP-142b (0.84 MJup, 1.53 RJup and P = 2.1 d) are typical hot Jupiters orbiting metal-rich F stars. We show that the period distribution within the hot-Jupiter bulge does not depend on the metallicity of the host star.

Item Type: Article
Additional Information: This article has been accepted for publication in Monthly Notices of the Royal Astronomical Society. © 2016 The Authors Published by Oxford University Press on behalf of the Royal Astronomical Society
Uncontrolled Keywords: stars: individual (WASP-130, WASP-131, WASP-132, WASP-139, WASP-140, WASP-141, WASP-142), planetary systems
Subjects: Q Science > QB Astronomy
Divisions: Faculty of Natural Sciences > School of Physical and Geographical Sciences
Related URLs:
Depositing User: Symplectic
Date Deposited: 28 Nov 2016 09:49
Last Modified: 03 Apr 2019 09:21
URI: https://eprints.keele.ac.uk/id/eprint/2535

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