ExoAtmospheres
IAC community database for exoplanet atmospheric observations
XO-2N b
| Planet status | Confirmed |
|---|---|
| Planet type | Hot Jupiter |
| Period | 2.615838 d |
| Mass | 0.62 MJ 197.036 M⊕ |
| Radius | 0.973 RJ 10.8976 R⊕ |
| Semi major axis | 0.0369 AU |
| Star name | XO-2N |
| Star distance | 149 pc |
| Star teff | 5290 K |
| Star radius | 0.998 R☉ |
| Temperature (calculated) | 1326 K |
| V | 11.14 mag |
| J | 9.74 mag |
| K | 9.3 mag |
| Alternate names | TOI-1720 b, TOI-1720.01 |
| Exoplanet Encyclopaedia |  |
Molecules
Na: Detection
|
G-B: Low resolution visible | Ground-based Spectroscopy of the Exoplanet XO-2b Using a Systematic Wavelength Calibration2019, Pearson, Kyle A., Griffith, Caitlin A. et al. |
Gemini/GMOS and Mayall/KOSMOS |
H2O: Upper limit
|
HST-Other | Transmission Spectroscopy of Exoplanet XO-2b Observed with Hubble Space Telescope NICMOS2012, Crouzet, N., McCullough, P. R. et al. |
Derived spectrum can be represented by a theoretical model including atmospheric water vapor or by a flat spectrum model |
K: Detection
|
G-B: Low resolution visible | Gran Telescopio Canarias OSIRIS transiting exoplanet atmospheric survey: detection of potassium in XO-2b from narrowband spectrophotometry2011, Sing, D. K., Désert, J. -M. et al. |
GTC OSIRIS |
Dayside Temperature (occultation): 999999 K |
Spitzer | Detection of Thermal Emission of XO-2b: Evidence for a Weak Temperature Inversion2009, Machalek, Pavel, McCullough, Peter R. et al. |
tentative evidence for a weak temperature inversion in the upper atmosphere |