stars: individual: (WASP-166); Astrophysics - Earth and Planetary Astrophysics
Abstract :
[en] We report the discovery of WASP-166b, a super-Neptune planet with a mass of 0.1 M[SUB]Jup[/SUB] (1.9 M[SUB]Nep[/SUB]) and a bloated radius of 0.63 R[SUB]Jup[/SUB]. 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 λ = 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'.
Disciplines :
Space science, astronomy & astrophysics
Author, co-author :
Hellier, Coel; Astrophysics Group, Keele University, Staffordshire ST5 5BG, UK
Anderson, D. R.; Astrophysics Group, Keele University, Staffordshire ST5 5BG, UK
Triaud, A. H. M. J.; Observatoire astronomique de l'Université de Genève 51 ch. des Maillettes, CH-1290 Sauverny, Switzerland ; School of Physics & Astronomy, University of Birmingham, Edgbaston, Birmingham B15 2TT, UK
Bouchy, F.; Observatoire astronomique de l'Université de Genève 51 ch. des Maillettes, CH-1290 Sauverny, Switzerland
Burdanov, Artem ; Université de Liège - ULiège > Département d'astrophys., géophysique et océanographie (AGO) > Exotic
Collier Cameron, A.; SUPA, School of Physics and Astronomy, University of St. Andrews, North Haugh, Fife KY16 9SS, UK
Delrez, Laetitia ; Space sciences, Technologies and Astrophysics Research (STAR) Institute, Université de Liège, Allée du 6 Août, 17, Bat. B5C, B-4000 Liège, Belgium ; Cavendish Laboratory, J J Thomson Avenue, Cambridge CB3 0HE, UK
Ehrenreich, D.; Observatoire astronomique de l'Université de Genève 51 ch. des Maillettes, CH-1290 Sauverny, Switzerland
Gillon, Michaël ; Université de Liège - ULiège > Département d'astrophys., géophysique et océanographie (AGO) > Exotic
Jehin, Emmanuel ; Université de Liège - ULiège > Département d'astrophys., géophysique et océanographie (AGO) > Origines Cosmologiques et Astrophysiques (OrCa)
Lendl, M.; Observatoire astronomique de l'Université de Genève 51 ch. des Maillettes, CH-1290 Sauverny, Switzerland ; Space Research Institute, Austrian Academy of Sciences, Schmiedlstr 6, A-8042 Graz, Austria
Linder, E.; Physikalisches Institut, University of Bern, Sidlerstrasse 5, CH-3012 Bern, Switzerland
Nielsen, L. D.; Observatoire astronomique de l'Université de Genève 51 ch. des Maillettes, CH-1290 Sauverny, Switzerland
Maxted, P. F. L.; Astrophysics Group, Keele University, Staffordshire ST5 5BG, UK
Pepe, F.; Observatoire astronomique de l'Université de Genève 51 ch. des Maillettes, CH-1290 Sauverny, Switzerland
Pollacco, D.; Department of Physics, University of Warwick, Gibbet Hill Road, Coventry CV4 7AL, UK
Močnik T., Hellier C., Anderson D. R., Clark B. J. M., Southworth J., 2017, MNRAS, 469, 1622
Owen J. E., Lai D., 2018, MNRAS, 479, 5012
Palle E. et al., 2017, A&A, 602, L15
Pepper J. et al., 2017, AJ, 153, 215
Petigura E. A. et al., 2017, AJ, 153, 142
Pollacco D. L. et al., 2006, PASP, 118, 1407
Ricker G. R. et al., 2016, in MacEwen H. A., Fazio G. G., Lystrup M., Batalha N., Siegler N., Tong E. C., eds, Proc. SPIE Conf. Ser.Vol. 9904, Space Telescopes and Instrumentation 2016: Optical, Infrared, and Millimeter Wave. SPIE, Bellingham, p. 99042B
Rickman E. L. et al., 2019, A&A, 625, A71
Sestovic M., Demory B.-O., Queloz D., 2018, A&A, 616, A76
Spake J. J. et al., 2018, Nature, 557, 68
Stassun K. G., Torres G., 2018, ApJ, 862, 61
Szabó G. M., Kálmán S., 2019, MNRAS, 485, L116
Temple L. Y. et al., 2018, MNRAS, 480, 5307
Thorngren D. P., Fortney J. J., 2018, AJ, 155, 214
