ExoAtmospheres
IAC community database for exoplanet atmospheric observations
WASP-166 b
| Planet status | Confirmed |
|---|---|
| Planet type | Hot Neptune |
| Period | 5.44354215 d |
| Mass | 0.102 MJ 32.4156 M⊕ |
| Radius | 0.6155 RJ 6.8936 R⊕ |
| Semi major axis | 0.0668 AU |
| Star name | WASP-166 |
| Star distance | 113 pc |
| Star teff | 6050 K |
| Star radius | 1.22 R☉ |
| Temperature (calculated) | 1270 K |
| V | 9.36 mag |
| J | 8.35 mag |
| K | 8.032 mag |
| Alternate names | |
| Exoplanet Encyclopaedia |  |
Molecules
CO2: Detection H2O: Detection Molecular ratios: C/O, etc...: Detection
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JWST-NIRSpec | Detection of H<SUB>2</SUB>O and CO<SUB>2</SUB> in the Atmosphere of the Hot Super-Neptune WASP-166b with JWST2025, Mayo, Andrew W., Fortenbach, Charles D. et al. |
|
H2O: Upper limit
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G-B: High resolution visible | The hot Neptune WASP-166 b with ESPRESSO III: A blue-shifted tentative water signal constrains the presence of clouds2023, M. Lafarga, M. Brogi et al. |
tentative water signal |
Na: Detection
|
G-B: High resolution visible | The Hot Neptune WASP-166 b with ESPRESSO II: Confirmation of atmospheric sodium2022, J. V. Seidel, H. M. Cegla et al. |
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Na: Detection
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G-B: High resolution visible | Hot Exoplanet Atmospheres Resolved with Transit Spectroscopy (HEARTS). V. Detection of sodium on the bloated super-Neptune WASP-166b2020, Seidel, J. V., Ehrenreich, D. et al. |
Na detection of previous non detection/upper limit.Using transit observations with HARPS. |
Na: Upper limit
|
G-B: High resolution visible | High-resolution Transmission Spectroscopy of Four Hot Inflated Gas Giant Exoplanets2019, Žák, Jiří, Kabáth, Petr et al. |
Upper limit of 0.14% using transit observations with HARPS. |