ExoAtmospheres
IAC community database for exoplanet atmospheric observations
HD 191939 b
| Planet status | Confirmed |
|---|---|
| Planet type | Hot Neptune |
| Period | 8.88029 d |
| Mass | 0.031 MJ 9.8518 M⊕ |
| Radius | 0.303 RJ 3.3936 R⊕ |
| Semi major axis | 0.078 AU |
| Star name | HD 191939 |
| Star distance | 53.608 pc |
| Star teff | 5427 K |
| Star radius | 0.945 R☉ |
| Temperature (calculated) | 893 K |
| V | 9 mag |
| J | 7.597 mag |
| K | 7.18 mag |
| Alternate names | TOI-1339 b |
| Exoplanet Encyclopaedia |  |
Molecules
Featureless spectra: Detection
|
HST WFC3 | The SPACE Program II: No discernible spectral features in the transmission spectrum of the sub-Neptune HD 191939 b observed with HST/WFC32026, Cyril Gapp, Lorena Acuña-Aguirre et al. |