All names: SDSS J125043.62+171213.36, GALEX J125043.5+171213, SDSS J125043.62+171213.3, Gaia EDR3 3934886961709894016, Gaia DR3 3934886961709894016
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR10 | Kepler et al. 2015 | Simbad |
|---|---|---|---|---|---|---|
| Right ascension | 12 50 43.60 (1) | 12 50 43.62 | 12 50 43.60 (1) | |||
| Declination | 17 12 12.72 (1) | 17 12 13.37 | 17 12 12.72 (1) | |||
| Spectral type | DA: | DA | ||||
| Effective temperature | [K] | 8328.0 (219) | ||||
| log(g) | [cgs] | 8.56 (0.2) | ||||
| Mass | [M☉] | 0.94 (0.1) | ||||
| 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 | 21.39 (0.09) | 21.39 (0.09) | 21.39 (0.09) | |||
| g magnitude | 20.89 (0.03) | 20.89 (0.03) | 20.89 (0.03) | |||
| r magnitude | 20.82 (0.03) | 20.81 (0.03) | 20.82 (0.04) | |||
| i magnitude | 20.87 (0.05) | 20.86 (0.05) | 20.87 (0.05) | |||
| z magnitude | 20.62 (0.2) | 20.60 (0.1) | 20.62 (0.2) | |||
| G magnitude | 20.80 (0.1) | 20.80 (0.01) | ||||
| BP magnitude | 20.60 (0.1) | |||||
| RP magnitude | 20.63 (0.2) | |||||
| Pan g magnitude | 20.89 (0.03) | |||||
| Pan r magnitude | 20.77 (0.06) | |||||
| Pan i magnitude | 20.88 (0.03) | |||||
| Pan z magnitude | 20.85 (0.04) | |||||
| 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.