ExoAtmospheres
IAC community database for exoplanet atmospheric observations
HAT-P-8 b
| Planet status | Confirmed |
|---|---|
| Planet type | Hot Jupiter |
| Period | 3.0763402 d |
| Mass | 1.34 MJ 425.852 M⊕ |
| Radius | 1.5 RJ 16.8 R⊕ |
| Semi major axis | 0.0449 AU |
| Star name | HAT-P-8 |
| Star distance | 230 pc |
| Star teff | 6200 K |
| Star radius | 1.58 R☉ |
| Temperature (calculated) | 1773 K |
| V | 10.17 mag |
| J | 9.214 mag |
| K | 8.953 mag |
| Alternate names | |
| Exoplanet Encyclopaedia |  |
Molecules
He: Detection
|
G-B:Low resolution IR | The First Dedicated Survey of Atmospheric Escape from Planets Orbiting F Stars2025, Morgan Saidel, Shreyas Vissapragada et al. |
2sigma tentative detection of He excess with narrow band photometry |
Dayside Temperature (occultation): 999999 K |
Spitzer | Warm Spitzer Observations of Three Hot Exoplanets: XO-4b, HAT-P-6b, and HAT-P-8b2012, Todorov, Kamen O., Deming, Drake et al. |
HAT-P-8b shows a stronger eclipse amplitude at 3.6 μm and is best described by models without a temperature inversion |