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WASP-190b: Tomographic discovery of a transiting hot Jupiter

Maxted; Smalley; Hellier

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Abstract

We report the discovery of WASP-190b, an exoplanet on a 5.37 day orbit around a mildly evolved F6 IV-V star with V = 11.7,  = 6400 ± 100 K, M* = 1.35 ± 0.05 M?, and R* = 1.6 ± 0.1 R?. The planet has a radius of RP = 1.15 ± 0.09 RJup and a mass of MP = 1.0 ± 0.1 MJup, making it a mildly inflated hot Jupiter. It is the first hot Jupiter confirmed via Doppler tomography with an orbital period of >5 days. The orbit is also marginally misaligned with respect to the stellar rotation, with ? = 21° ± 6° measured using Doppler tomography.

Acceptance Date Feb 19, 2019
Publication Date Mar 14, 2019
Publicly Available Date Mar 29, 2024
Journal Astronomy & Astrophysics
Print ISSN 0004-6361
Publisher EDP Sciences
DOI https://doi.org/10.3847/1538-3881/ab095a
Keywords planets and satellites, detection, individual (WASP-190b), stars, (WASP-190)
Publisher URL http://dx.doi.org/10.3847/1538-3881/ab095a

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