ExoAtmospheres
IAC community database for exoplanet atmospheric observations
HAT-P-57 b
| Planet status | Confirmed |
|---|---|
| Planet type | UltraHot Jupiter |
| Period | 2.465295 d |
| Mass | 1.85 MJ 587.93 M⊕ |
| Radius | 1.413 RJ 15.8256 R⊕ |
| Semi major axis | 0.0406 AU |
| Star name | HAT-P-57 |
| Star distance | 303 pc |
| Star teff | 7500 K |
| Star radius | 1.5 R☉ |
| Temperature (calculated) | 2200 K |
| V | 10.47 mag |
| J | 9.67 mag |
| K | 9.433 mag |
| Alternate names | |
| Exoplanet Encyclopaedia |  |
Molecules
H2O: Detection
|
G-B: High resolution IR | Cross-correlation transmission spectroscopy of ultra-hot Jupiters WASP-189b, HAT-P-57b, KELT-17b, and KELT-21b with GIANO-B2026, P. Meni-Gallardo, J. Orell-Miquel et al. |
Tentative detection of water with 3.8 sigma |
He: Upper limit
|
G-B: High resolution IR | The MOPYS project: A survey of 70 planets in search of extended He I and H atmospheres. No evidence of enhanced evaporation in young planets2024, J. Orell-Miquel, F. Murgas et al. |
|
Featureless spectra: Detection
|
G-B: Low resolution visible | Featureless transmission spectra of 12 giant exoplanets observed by GTC/OSIRIS2023, C. Jiang, G. Chen et al. |
|
H: Upper limit Fe: No detection
|
G-B: High resolution visible | High-resolution transmission spectroscopy study of ultra-hot Jupiters HAT-P-57b, KELT-17b, KELT-21b, KELT-7b, MASCARA-1b, and WASP-189b2021, M. Stangret, N. Casasayas-Barris et al. |
H upper limit of 0.7±0.2%. |
FeH: Upper limit
|
G-B: High resolution IR | A Search for FeH in Hot-Jupiter Atmospheres with High-dispersion Spectroscopy2020, Kesseli, Aurora Y., Snellen, I. A. G. et al. |