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 . DOI: 10.1088/1538-3873/128/970/124403
Publications of the Astronomical Society of the Pacific
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We 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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