Three sub-Jupiter-mass planets: WASP-69b & WASP-84b transit active K dwarfs and WASP-70Ab transits the evolved primary of a G4+K3 binary

D R Anderson,A Collier Cameron,L Delrez, A P Doyle,F Faedi,A Fumel,M Gillon,Y Gomez Maqueo Chew,Coel Hellier,Emmanuel Jehin,M Lendl, P F L Maxted,F Pepe, D Pollacco,D Queloz,D Segransan,I Skillen,B Smalley,A M S Smith, J Southworth,A H M J Triaud,O D Turner,S Udry,R G West

Monthly Notices of the Royal Astronomical Society（2014）

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摘要

We report the discovery of the transiting exoplanets WASP-69b, WASP-70Ab and WASP-84b, each of which orbits a bright star (V ∼ 10). WASP-69b is a bloated Saturn-mass planet (0.26 M Jup , 1.06 R Jup ) in a 3.868-d period around an active, ∼1-Gyr, mid-K dwarf. ROSAT detected X-rays 60±27 arcsec from WASP-69. If the star is the source then the planet could be undergoing mass-loss at a rate of ∼1012 g...

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关键词

techniques: photometric,techniques: radial velocities,planets and satellites: detection,planets and satellites: individual: WASP-69b,planets and satellites: individual: WASP-70Ab,planets and satellites: individual: WASP-84b

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