ExoAtmospheres
IAC community database for exoplanet atmospheric observations
HAT-P-1 b
| Planet status | Confirmed |
|---|---|
| Planet type | Hot Jupiter |
| Period | 4.46529976 d |
| Mass | 0.525 MJ 166.845 M⊕ |
| Radius | 1.319 RJ 14.7728 R⊕ |
| Semi major axis | 0.05561 AU |
| Star name | HAT-P-1 |
| Star distance | 139 pc |
| Star teff | 5980 K |
| Star radius | 1.174 R☉ |
| Temperature (calculated) | 1322 K |
| V | 10.4 mag |
| J | 9.156 mag |
| K | 8.858 mag |
| Alternate names | |
| Exoplanet Encyclopaedia |  |
Molecules
H2O: Detection CO2: Detection H2S: Upper limit Molecular ratios: C/O, etc...: Detection
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JWST-NIRSpec | A Clearer View of HAT-P-1 b: JWST NIRSpec G395H Reveals Water, Carbon Dioxide, and Possibly Hydrogen Sulfide2026, Reza Ashtari, Stephen P. Schmidt et al. |
Tentative evidence of H2S. Determination of M/H = 1, and upper limit C/O < 0.52 |
K: Detection Na: Detection
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G-B: Low resolution visible | Detection of Na and K in the atmosphere of the hot Jupiter HAT-P-1b with P200/DBSP2022, Guo Chen, Hongchi Wang et al. |
Tentative evidence for H2O. Subsolar abundances for Na, K, and C, and subsolar-to-solar for O |
H2O: Detection
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HST WFC3 | A Population Study of Gaseous Exoplanets2018, Tsiaras, A., Waldmann, I. P. et al. |
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Na: Detection
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HST STIS | HST hot Jupiter Transmission Spectral Survey: A detection of Na and strong optical absorption in HAT-P-1b2013, N. Nikolov, D. K. Sing et al. |
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H2O: Detection
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HST WFC3 | Hubble Space Telescope hot Jupiter Transmission Spectral Survey: detection of water in HAT-P-1b from Wide Field Camera 3 near-infrared spatial scan observations2013, H. R. Wakeford, D. K. Sing et al. |