All names: Gaia EDR3 132640654664432256, WD 0222+314, TIC 285385553, Gaia DR2 132640654664432256, 2MASS J02251152+3138004, GALEX J022511.5+313800, KUV 02222+3124, Gaia DR3 132640654664432256, UCAC4 609-006804
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Gaia DR2 | Stilism | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|
| Right ascension | 02 25 11.52 (0.04) | 02 25 11.52 (0.06) | 02 25 11.52 (0.04) | 02 25 10.80 | |||
| Declination | 31 38 00.41 (0.04) | 31 38 00.41 (0.05) | 31 38 00.42 (0.04) | 31 37 55.56 | |||
| Spectral type | sdB | DA | |||||
| Effective temperature | [K] | ||||||
| log(g) | [cgs] | ||||||
| Mass | [M☉] | ||||||
| log(Luminosity) | [L☉] | ||||||
| Cooling age | [Gyr] | ||||||
| log(H/He) | |||||||
| log(C/He) | |||||||
| log(Ca/He) | |||||||
| log(Ca/H) | |||||||
| Parallax | [mas] | 0.14 (0.04) | 0.10 (0.07) | 0.14 (0.04) | |||
| Distance | [pc] | 7210.48 (2193) | 10319.92 (7210) | 7209.81 (2194) | |||
| Composition | |||||||
| Proper motion (right ascension) | [mas/yr] | 1.378259663 (0.05) | 1.354 (0.1) | 1.378 (0.05) | |||
| Proper motion (declination) | [mas/yr] | -1.029170331 (0.04) | -1.082 (0.09) | -1.029 (0.04) | |||
| Variability | |||||||
| Magnetic | |||||||
| Bd | [MG] | ||||||
| Infrared excess (disk) | |||||||
| Binarity | |||||||
| B magnitude | 15.79 (0.04) | ||||||
| V magnitude | 15.78 (0.01) | ||||||
| R magnitude | 16.14 (0.06) | ||||||
| I magnitude | |||||||
| J magnitude | 15.60 (0.05) | ||||||
| H magnitude | 15.47 (0.1) | ||||||
| K magnitude | 15.46 (0.1) | ||||||
| u magnitude | |||||||
| g magnitude | |||||||
| r magnitude | |||||||
| i magnitude | |||||||
| z magnitude | |||||||
| G magnitude | 15.77 (0.005) | 15.80 | 15.77 (0.003) | ||||
| BP magnitude | 15.82 (0.005) | 15.83 | |||||
| RP magnitude | 15.70 (0.004) | 15.71 | |||||
| Pan g magnitude | 15.73 (0.005) | ||||||
| Pan r magnitude | 15.87 (0.002) | ||||||
| Pan i magnitude | 16.05 (0.002) | ||||||
| Pan z magnitude | 16.15 (0.003) | ||||||
| Pan y magnitude | 16.15 (0.003) | ||||||
| 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.