All names: Gaia DR3 1546783302868841472, SDSS J120156.39+493707.4, Gaia DR2 1546783302868841472, GALEX J120156.5+493708
| Parameter | Unit | Simbad |
|---|---|---|
| Right ascension | 12 01 56.42 (3) | |
| Declination | 49 37 07.15 (5) | |
| 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] | |
| Distance | [pc] | |
| Composition | ||
| Proper motion (right ascension) | [mas/yr] | |
| Proper motion (declination) | [mas/yr] | |
| Variability | ||
| Magnetic | ||
| Bd | [MG] | |
| Infrared excess (disk) | ||
| Binarity | ||
| B magnitude | ||
| V magnitude | ||
| R magnitude | ||
| I magnitude | ||
| J magnitude | ||
| H magnitude | ||
| K magnitude | ||
| u magnitude | 21.00 (0.1) | |
| g magnitude | 21.02 (0.04) | |
| r magnitude | 20.97 (0.06) | |
| i magnitude | 20.50 (0.05) | |
| z magnitude | 20.10 (0.1) | |
| G magnitude | 21.22 (0.04) | |
| 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.