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A window on exoplanet dynamical histories: Rossiter-McLaughlin observations of WASP-13b and WASP-32b

Brothwell, R D; Watson, C A; Hebrard, Guillaume; Triaud, AHMJ; Cegla, H M; Santerne, Alexandre; Hebrard, E; Anderson, David R.; Bento (Da Silva Bento), Joao; Haswell, C; Stassun, Keivan

Description

We present Rossiter–McLaughlin observations of WASP-13b and WASP-32b and determine the sky-projected angle between the normal of the planetary orbit and the stellar rotation axis (λ). WASP-13b and WASP-32b both have prograde orbits and are consistent with alignment with measured sky-projected angles of λ=8∘+13−12 and λ=−2∘+17−19 , respectively. Both WASP-13 and WASP-32 have Teff < 6250 K, and therefore, these systems support the general trend that aligned planetary systems are...[Show more]

CollectionsANU Research Publications
Date published: 2014
Type: Journal article
URI: http://hdl.handle.net/1885/152489
Source: Monthly Notices of the Royal Astronomical Society
DOI: 10.1093/mnras/stu520
Access Rights: Open Access

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