All names: SDSS J012557.01+461013.1, SDSS J012557.01+461013.0, Gaia DR3 398158002508829056, Gaia DR2 398158002508829056, GALEX J012556.9+461013
| Parameter | Unit | Simbad |
|---|---|---|
| Right ascension | 01 25 57.01 (0.9) | |
| Declination | 46 10 13.14 (0.7) | |
| Spectral type | DB | |
| 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] | 1.15 (1) |
| Distance | [pc] | 873.36 (877) |
| Composition | ||
| Proper motion (right ascension) | [mas/yr] | -0.624 (1) |
| Proper motion (declination) | [mas/yr] | -8.891 (0.8) |
| Variability | ||
| Magnetic | ||
| Bd | [MG] | |
| Infrared excess (disk) | ||
| Binarity | ||
| B magnitude | ||
| V magnitude | ||
| R magnitude | ||
| I magnitude | ||
| J magnitude | ||
| H magnitude | ||
| K magnitude | ||
| u magnitude | 20.29 (0.04) | |
| g magnitude | 20.43 (0.02) | |
| r magnitude | 20.59 (0.03) | |
| i magnitude | 20.77 (0.05) | |
| z magnitude | 21.02 (0.2) | |
| G magnitude | 20.46 (0.009) | |
| BP magnitude | ||
| RP magnitude | ||
| Pan g magnitude | ||
| Pan r magnitude | ||
| Pan i magnitude | ||
| Pan z magnitude | ||
| Pan y magnitude | ||
| E(B-V) | ||
* 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.