ExoAtmospheres
IAC community database for exoplanet atmospheric observations
DS Tuc A b
| Planet status | Confirmed |
|---|---|
| Planet type | Hot Neptune |
| Period | 8.138268 d |
| Mass | 0.0453 MJ 14.39634 M⊕ |
| Radius | 0.5085 RJ 5.6952 R⊕ |
| Semi major axis | 0.0795 AU |
| Star name | DS Tuc A |
| Star distance | 44.12 pc |
| Star teff | 5597 K |
| Star radius | 0.872 R☉ |
| Temperature (calculated) | 850 K |
| V | 9 mag |
| J | 7.122 mag |
| K | 6.676 mag |
| Alternate names | HD 222259 A b, TIC 4102214986 b |
| Exoplanet Encyclopaedia |  |
Molecules
H: Upper limit
|
G-B: High resolution visible | Ever Elusive Exospheres: One Probable Detection and Two Non-Detections of Hα Transits in Young Systems2025, Reilly P. Milburn, Andrew W. Mann et al. |
No evidence of Halpha absorption from two transits. |
H: No detection
|
G-B: High resolution visible | Constraints on the mass and atmospheric composition and evolution of the low-density young planet DS Tuc A b2021, S. Benatti, M. Damasso et al. |
Stellar activity prevents the detection of atoms/molecules via transmission spectra or cross-correlation |