WASP-166b: a bloated super-Neptune transiting a V = 9 star
WASP-166b: a bloated super-Neptune transiting a V = 9 star
We report the discovery of WASP-166b, a super-Neptune planet with a mass of 0.1 Mjup (1.9 Mnep) and a bloated radius of 0.63 Rjup. It transits a V = 9.36, F9V star in a 5.44-d orbit that is aligned with the stellar rotation axis (sky-projected obliquity angle lambda = 3 …