ExoAtmospheres
IAC community database for exoplanet atmospheric observations
GJ 9827 b
| Planet status | Confirmed |
|---|---|
| Planet type | Hot Super-Earth |
| Period | 1.2089765 d |
| Mass | 0.0153 MJ 4.86234 M⊕ |
| Radius | 0.1364 RJ 1.52768 R⊕ |
| Semi major axis | 0.01866 AU |
| Star name | GJ 9827 |
| Star distance | 30.3 pc |
| Star teff | 4255 K |
| Star radius | 0.651 R☉ |
| Temperature (calculated) | 1043 K |
| V | 10.4 mag |
| J | 7.984 mag |
| K | 7.193 mag |
| Alternate names | K2-135 b |
| Exoplanet Encyclopaedia |  |
Molecules
He: Upper limit
|
G-B: High resolution IR | Absence of extended atmospheres in low-mass star radius-gap planets GJ 9827 b, GJ 9827 d and TOI-1235 b2023, Vigneshwaran Krishnamurthy, Teruyuki Hirano et al. |
|
He: Upper limit H: Upper limit
|
G-B: High resolution IR | A multi-wavelength look at the GJ 9827 system -- No evidence of extended atmospheres in GJ 9827 b and d from HST and CARMENES data2021, Ilaria Carleo, Allison Youngblood et al. |
Non detections of Ly-a, Ha and He. No evidence for an extended H/He upper atmosphere with HST and CARMENES observations. |