WASP-157b, a transiting hot jupiter observed with K2
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We announce the discovery of the transiting hot Jupiter WASP-157b in a 3.95-d orbit around a V = 12.9 G2 mainsequence star. This moderately inflated planet has a Saturn-like density, with a mass of 0.57 ± 0.10 MJup and a radius of 1.06 ± 0.05 RJup. We do not detect any rotational or phase curve modulations, nor the secondary eclipse, with conservative semi-amplitude upper limits of 250 and 20 ppm, respectively.
Močnik , T , Anderson , D R , Brown , D J A , Cameron , A C , Delrez , L , Gillon , M , Hellier , C , Jehin , E , Lendl , M , Maxted , P F L , Neveu-Vanmalle , M , Pepe , F , Pollacco , D , Queloz , D , Ségransan , D , Smalley , B , Southworth , J , Triaud , A H M J , Udry , S & West , R G 2016 , ' WASP-157b, a transiting hot jupiter observed with K2 ' , Publications of the Astronomical Society of the Pacific , vol. 128 , no. 970 , 124403 . https://doi.org/10.1088/1538-3873/128/970/124403
Publications of the Astronomical Society of the Pacific
© 2016, The Astronomical Society of the Pacific. This work has been made available online in accordance with the publisher’s policies. This is the author created, accepted version manuscript following peer review and may differ slightly from the final published version. The final published version of this work is available at https://doi.org/10.1088/1538-3873/128/970/124403
DescriptionWe gratefully acknowledge the financial support from the Science and Technology Facilities Council (STFC), under grants ST/J001384/1, ST/M001040/1 and ST/M50354X/1.
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