Temple, LY, Hellier, C ORCID: 0000-0002-3439-1439, Almleaky, Y, Anderson, DR, Bouchy, F, Brown, DJA, Burdanov, A, Cameron, AC, Delrez, L, Gillon, M, Hall, R, Jehin, E, Lendl, M, Maxted, PFL ORCID: 0000-0003-3794-1317, Nielsen, LD, Pepe, F, Pollacco, D, Queloz, D, Ségransan, D, Smalley, B ORCID: 0000-0002-3456-087X, Sohy, S, Thompson, S, Triaud, AHMJ, Turner, OD, Udry, S and West, RG (2018) Discovery of WASP-174b: Doppler tomography of a near-grazing transit. Monthly Notices of the Royal Astronomical Society. ISSN 1365-2966

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Abstract

We report the discovery and tomographic detection of WASP-174b, a planet with a near-grazing transit on a 4.23-d orbit around a V = 11.9, F6V star with [Fe/H] = 0.09 ± 0.09. The planet is in a moderately misaligned orbit with a sky-projected spin–orbit angle of λ = 31° ± 1°. This is in agreement with the known tendency for orbits around hotter stars to be misaligned. Owing to the grazing transit the planet’s radius is uncertain, with a possible range of 0.8–1.8 RJup. The planet’s mass has an upper limit of 1.3 MJup. WASP-174 is the faintest hot-Jupiter system so far confirmed by tomographic means.

Item Type: Article
Additional Information: This is the accepted author manuscript. The final published version (version of record) is available via Oxford University Press at http://doi.org/10.1093/mnras/sty2197 - please refer to any applicable terms of use of the publisher.
Uncontrolled Keywords: astrophysics
Subjects: Q Science > QB Astronomy > QB460 Astrophysics
Divisions: Faculty of Natural Sciences > School of Chemical and Physical Sciences
Related URLs:
Depositing User: Symplectic
Date Deposited: 28 Mar 2018 08:56
Last Modified: 29 Aug 2018 15:07
URI: http://eprints.keele.ac.uk/id/eprint/4653

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