All names: Gaia DR3 4721093923677909376, GALEX J025621.2-632840, WDJ025621.35-632840.17, WISE J025621.32-632840.1, TIC 220555122, Gaia EDR3 4721093923677909376, 2MASS J02562135-6328401, UCAC4 133-002683, WDJ025621.35-632840.18, Gaia DR2 4721093923677909376, EC 02553-6340
| Parameter | Unit | Gaia EDR3 | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 |
|---|---|---|---|---|---|---|---|
| Right ascension | 02 56 21.30 (0.03) | 02 56 21.30 | 02 56 21.30 | 02 56 21.35 (0.03) | 02 56 21.30 | ||
| Declination | -63 28 40.23 (0.03) | -63 28 40.23 | -63 28 40.23 | -63 28 40.18 (0.03) | -63 28 40.23 | ||
| Spectral type | DA | DA | |||||
| Effective temperature | [K] | 12345.0 (131) | |||||
| log(g) | [cgs] | 8.26 (0.009) | |||||
| Mass | [M☉] | 0.764 (0.008) | |||||
| log(Luminosity) | [L☉] | ||||||
| Cooling age | [Gyr] | ||||||
| log(H/He) | |||||||
| log(C/He) | |||||||
| log(Ca/He) | |||||||
| log(Ca/H) | |||||||
| Parallax | [mas] | 16.69 (0.03) | 16.68 (0.04) | 16.69 | 16.69 (0.03) | 16.68 (0.04) | |
| Distance | [pc] | 59.91 (0.1) | 59.94 (0.2) | 59.91 | 59.91 (0.1) | 59.94 (0.2) | |
| Composition | |||||||
| Proper motion (right ascension) | [mas/yr] | -19.28154979 (0.03) | -19.27462161 (0.09) | -19.282 (0.04) | -19.27462161 | ||
| Proper motion (declination) | [mas/yr] | -3.611751028 (0.03) | -3.54433881 (0.08) | -3.612 (0.04) | -3.54433881 | ||
| Variability | |||||||
| Magnetic | |||||||
| Bd | [MG] | ||||||
| Infrared excess (disk) | |||||||
| Binarity | |||||||
| B magnitude | 16.00 (0.04) | ||||||
| V magnitude | 15.83 (0.05) | ||||||
| R magnitude | 15.79 (0.1) | ||||||
| I magnitude | |||||||
| J magnitude | 16.00 (0.08) | ||||||
| H magnitude | 16.18 (0.2) | ||||||
| K magnitude | 15.71 (0.2) | ||||||
| u magnitude | |||||||
| g magnitude | 15.79 (0.01) | ||||||
| r magnitude | 16.02 (0.1) | ||||||
| i magnitude | 16.10 (0.01) | ||||||
| z magnitude | |||||||
| G magnitude | 15.86 (0.005) | 15.88 | 15.86 | 15.86 (0.003) | 15.88 | ||
| BP magnitude | 15.89 (0.005) | 15.86 | 15.86 | ||||
| RP magnitude | 15.95 (0.01) | 15.89 | 15.89 | ||||
| Pan g magnitude | |||||||
| Pan r magnitude | |||||||
| Pan i magnitude | |||||||
| Pan z magnitude | |||||||
| Pan y magnitude | |||||||
| E(B-V) | 0.001 | ||||||
* 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.