Pierre Maxted p.maxted@keele.ac.uk
WASP-166b: a bloated super-Neptune transiting a V = 9 star
Maxted; Hellier; Smalley
Authors
Coel Hellier c.hellier@keele.ac.uk
Barry Smalley b.smalley@keele.ac.uk
Abstract
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 ? = 3 ± 5 deg). Variations in the radial-velocity measurements are likely the result of magnetic activity over a 12-d stellar rotation period. WASP-166b appears to be a rare object within the ‘Neptune desert’.
| Acceptance Date | Jul 2, 2019 |
|---|---|
| Publication Date | Sep 1, 2019 |
| Journal | Monthly Notices of the Royal Astronomical Society |
| Print ISSN | 0035-8711 |
| Publisher | Oxford University Press |
| Pages | 3067 -3075 |
| DOI | https://doi.org/10.1093/mnras/stz1903 |
| Keywords | stars, individual, (WASP-166) |
| Publisher URL | https://doi.org/10.1093/mnras/stz1903 |
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