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

Y. Temple, L.; Hellier, C.; Almleaky, Y.; Anderson, D.R.; Bouchy, F.; Brown, D.J.A.; Burdanov, A.; Collier Cameron, A.; Delrez, L.; Gillon, M.; Jehin, E.; Lendl, M.; Maxted, P.F.L.; Murray, C.; Nielsen, L.D.; Pepe, F.; Pollacco, D.; Queloz, D.; Ségransan, D.; Smalley, B.; Thompson, S.; Triaud, A.H.M.J.; Turner, O.D.; Udry, S.; West, R.G.

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


Authors

L. Y. Temple

Y. Almleaky

D.R. Anderson

F. Bouchy

D.J.A. Brown

A. Burdanov

A. Collier Cameron

L. Delrez

M. Gillon

E. Jehin

M. Lendl

C. Murray

L.D. Nielsen

F. Pepe

D. Pollacco

D. Queloz

D. Ségransan

S. Thompson

A.H.M.J. Triaud

O.D. Turner

S. Udry

R.G. West



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.

Journal Article Type Article
Acceptance Date Feb 19, 2019
Online Publication Date Mar 14, 2019
Publication Date Mar 14, 2019
Journal Astronomy & Astrophysics
Print ISSN 0004-6361
Electronic ISSN 1432-0746
Publisher EDP Sciences
Peer Reviewed Peer Reviewed
Volume 157
Issue 4
Article Number 141
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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