All names: Gaia EDR3 101826669497182720, GALEX J022512.4+234822, Gaia DR3 101826669497182720, HS0222+2334, 2MASS J02251250+2348207, LAMOST J022512.43+234822.2, UCAC4 570-005103, Gaia DR2 101826669497182720, LAMOST J022512.54+234821.7, HS 0222+2334
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 02 25 12.51 (0.03) | 02 25 12.49 | 02 25 12.50 (0.03) | ||
| Declination | 23 48 20.59 (0.03) | 23 48 21.02 | 23 48 20.70 (0.03) | ||
| Spectral type | sdO | sdO | |||
| Effective temperature | [K] | 46670.0 (1760) | |||
| log(g) | [cgs] | 5.83 (0.1) | |||
| Mass | [M☉] | ||||
| log(Luminosity) | [L☉] | ||||
| Cooling age | [Gyr] | ||||
| log(H/He) | |||||
| log(C/He) | |||||
| log(Ca/He) | |||||
| log(Ca/H) | |||||
| Parallax | [mas] | 1.36 (0.04) | 1.63 (0.08) | 1.36 (0.04) | |
| Distance | [pc] | 732.98 (22) | 612.03 (29) | 732.98 (22) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | 4.512 (0.04) | 4.54 (0.09) | 4.512 (0.04) | |
| Proper motion (declination) | [mas/yr] | -6.839 (0.04) | -6.377 (0.09) | -6.839 (0.04) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | 13.71 (0.03) | ||||
| V magnitude | 13.84 (0.05) | ||||
| R magnitude | 14.18 (0.1) | ||||
| I magnitude | |||||
| J magnitude | 14.37 (0.03) | 14.37 (0.03) | |||
| H magnitude | 14.46 (0.05) | 14.46 (0.05) | |||
| K magnitude | 14.62 (0.09) | 14.62 (0.09) | |||
| u magnitude | 13.67 (0.004) | ||||
| g magnitude | 14.00 (0.009) | 13.68 (0.03) | |||
| r magnitude | 14.05 (0.02) | ||||
| i magnitude | 14.59 (0.005) | 14.32 (0.04) | |||
| z magnitude | 14.92 (0.005) | ||||
| G magnitude | 13.82 (0.003) | 13.84 (0.0007) | 13.82 (0.003) | ||
| BP magnitude | 13.71 (0.004) | 13.66 (0.009) | |||
| RP magnitude | 14.02 (0.004) | 14.02 (0.003) | |||
| Pan g magnitude | 13.74 (0) | ||||
| Pan r magnitude | 14.05 (0.0003) | ||||
| Pan i magnitude | 14.37 (0.005) | ||||
| Pan z magnitude | 14.61 (0.003) | ||||
| Pan y magnitude | 14.76 (0.004) | ||||
| E(B-V) | 0.096 | ||||
* 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.