Planet WASP-166 b

Name WASP-166 b
Planet Status Confirmed
Discovered in 2018
Mass 0.102 (± 0.004) MJ
Mass*sin(i)
Semi-Major Axis 0.0668 (± 0.004) AU +
Orbital Period 5.44354215 (± 5e-06) day +
Eccentricity 0.0 ( -0.0 +0.07 )
ω
Tperi
Radius 0.6155 (± 0.03) RJ +
Inclination 87.8 (± 0.6) deg
Update 2022-07-22
Detection Method Primary Transit
Mass Detection Method Radial Velocity
Radius Detection Method Primary Transit
Primary transit 2458524.40869 (± 0.0003) JD +
Secondary transit
λ 344.5 (± 2.8) deg +
Impact Parameter b 0.213 ( -0.15 +0.17 ) +
Time Vr=0
Velocity Semiamplitude K
Calculated temperature 1270.0 (± 20.0) K
Measured temperature
Hottest point longitude
Geometric albedo
Surface gravity log(g/gH)
Alternate Names

Star

WASP-166
Name WASP-166
Distance 113.0 (± 1.0) pc
Spectral type F9
Apparent magnitude V 9.36
Mass 1.19 (± 0.06) MSun
Age 2.1 (± 0.9) Gyr
Effective temperature 6050.0 (± 50.0) K
Radius 1.22 (± 0.06) RSun
Metallicity [Fe/H] 0.19 (± 0.05)
Detected Disc
Magnetic Field
RA2000 09:39:30.0
Dec2000 -20:58:57
Alternate Names
Planetary system 1 planet

More data

Atmospheric parameters

Temperatures

Data Source Type Result Value Result Figure Notes Reference

Molecules

Molecule Data Source Type Result Value Result Figure Notes Reference
Na Measurements Detected 2022 - SEIDEL J.
Measurements Detected 2020 - SEIDEL J.

Observability Predictor


Related publications

The Hot Neptune WASP-166 b with ESPRESSO I: Refining the Planetary Architecture and Stellar Variability
2022 DOYLE L., CEGLA H., BRYANT E., BAYLISS D., LAFARGA M. et al.
MNRAS, 516, 298
paper   arxiv  

The Hot Neptune WASP-166 b with ESPRESSO II: Confirmation of atmospheric sodium
2022 SEIDEL J., CEGLA H., DOYLE L., LAFARGA M., BROGI M. et al.
MNRAS, 513, L15
paper   arxiv  

Transmission Spectroscopy of the Super-Neptune WASP-166b
2021 MAYO A., DRESSING C. et al.
JWST GO Programme
abstract

Hot Exoplanet Atmospheres Resolved with Transit Spectroscopy (HEARTS) V. Detection of sodium on the bloated super-Neptune WASP-166b
2020 SEIDEL J., EHRENREICH D., BOURRIER V., ALLART R., ATTIA O.
Astron. & Astrophys., 641, L7
paper  arxiv

Simultaneous TESS and NGTS Transit Observations of WASP-166b
2020 BRYANT E., BAYLISS D., McCORMAC J., WHEATLEY P., ACTON J. et al.
MNRAS, 494, 5872
paper   arxiv

WASP-166b: a bloated super-Neptune transiting a V = 9 star
2019 HELLIER C., ANDERSON D., TRIAUD A., BOUCHY F., BURDANOV A. et al.
MNRAS, 488, 3067
paper  arxiv

High-resolution Transmission Spectroscopy of Four Hot Inflated Gas Giant Exoplanets
2019 ZAK J., KABATH P., BOFFIN H., IVANOV M. & SKARKA M.
Astron. J., 158, 120
paper