All names: GALEX J223224.9+092551, HS2229+0910, Gaia DR2 2717109221845456768, TIC 418935149, Gaia EDR3 2717109221845456768, 2MASS J22322498+0925513, Gaia DR3 2717109221845456768, HS 2229+0910
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 22 32 24.97 (0.05) | 22 32 24.99 | 22 32 24.98 (0.05) | ||
| Declination | 09 25 50.78 (0.04) | 09 25 52.93 | 09 25 51.28 (0.04) | ||
| Spectral type | sdOB | sdOB | |||
| Effective temperature | [K] | 38500.0 (900) | |||
| log(g) | [cgs] | 6.20 (0.1) | |||
| Mass | [M☉] | ||||
| log(Luminosity) | [L☉] | ||||
| Cooling age | [Gyr] | ||||
| log(H/He) | |||||
| log(C/He) | |||||
| log(Ca/He) | |||||
| log(Ca/H) | |||||
| Parallax | [mas] | 1.02 (0.05) | 1.10 (0.07) | 1.02 (0.05) | |
| Distance | [pc] | 976.85 (49) | 908.68 (54) | 976.85 (49) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | -7.314 (0.06) | -7.346 (0.1) | -7.314 (0.06) | |
| Proper motion (declination) | [mas/yr] | -31.518 (0.06) | -31.473 (0.1) | -31.518 (0.06) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | |||||
| V magnitude | |||||
| R magnitude | |||||
| I magnitude | |||||
| J magnitude | 15.48 (0.06) | 15.48 (0.06) | |||
| H magnitude | 15.51 (0.1) | 15.51 (0.1) | |||
| K magnitude | 15.50 (0.2) | 15.50 (0.2) | |||
| u magnitude | 14.57 (0.004) | ||||
| g magnitude | 14.78 (0.003) | ||||
| r magnitude | 15.18 (0.004) | ||||
| i magnitude | 15.48 (0.004) | ||||
| z magnitude | 15.76 (0.006) | ||||
| G magnitude | 14.97 (0.003) | 14.99 (0.001) | 14.97 (0.003) | ||
| BP magnitude | 14.86 (0.004) | 14.79 (0.01) | |||
| RP magnitude | 15.18 (0.005) | 15.18 (0.005) | |||
| Pan g magnitude | 14.83 (0.003) | ||||
| Pan r magnitude | 15.21 (0.005) | ||||
| Pan i magnitude | 15.51 (0.002) | ||||
| Pan z magnitude | 15.76 (0.002) | ||||
| Pan y magnitude | 15.95 (0.002) | ||||
| E(B-V) | 0.067 | ||||
* Constant surface field
Spectra without link are available upon request
The Montreal White Dwarf Database is produced and maintained by Prof. Patrick Dufour (Université de Montréal) and Dr. Simon Blouin (University of Victoria). Please send database updates, corrections, suggestions or bug reports to patrick.dufour@umontreal.ca.