WASP-190b : tomographic discovery of a transiting hot Jupiter
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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, Teff = 6400 ± 100 K, M * = 1.35 ± 0.05 M ⊙, and R * = 1.6 ± 0.1 R ⊙. The planet has a radius of R P = 1.15 ± 0.09 R Jup and a mass of M P = 1.0 ± 0.1 M Jup, 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 λ = 21° ± 6° measured using Doppler tomography.
Temple , L Y , Hellier , C , Almleaky , Y , Anderson , D R , Bouchy , F , Brown , D J A , Burdanov , A , Cameron , A C , 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 2019 , ' WASP-190b : tomographic discovery of a transiting hot Jupiter ' , Astronomical Journal , vol. 157 , no. 4 , 141 . https://doi.org/10.3847/1538-3881/ab095a
© 2019, The American Astronomical Society. This work has been made available online in accordance with the publisher's policies. This is the final published version of the work, which was originally published at https://doi.org/10.3847/1538-3881/ab095a
DescriptionThe research leading to these results has received funding from the European Research Council (ERC) under the FP/2007-2013 ERC grant agreement No. 336480, and under the H2020 ERC grant agreement No. 679030, and from an Actions de Recherche Concertée (ARC) grant, financed by the Wallonia-Brussels Federation.
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