All names: Gaia DR3 1465415319244913536, Gaia EDR3 1465415319244913536, GALEX J125709.6+304317, SDSS J125709.63+304317.2, OMHR 149071, SDSS J125709.63+304317.3, OMHR J125709.77+304316.9, Gaia DR2 1465415319244913536
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | Kleinman et al. 2013 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 12 57 09.61 (0.3) | 12 57 09.63 | 12 57 09.61 (0.3) | 12 57 09.61 | 12 57 09.64 (0.3) | 12 57 09.63 | ||||
| Declination | 30 43 17.65 (0.2) | 30 43 17.28 | 30 43 17.64 (0.2) | 30 43 17.65 | 30 43 17.37 (0.2) | 30 43 17.32 | ||||
| Spectral type | DA | DAH | DAH: | DA | ||||||
| Effective temperature | [K] | 10667.0 (741) | 11344.0 (248) | |||||||
| log(g) | [cgs] | 8.59 (0.1) | 8.98 (0.2) | |||||||
| Mass | [M☉] | 0.978 (0.09) | ||||||||
| log(Luminosity) | [L☉] | |||||||||
| Cooling age | [Gyr] | |||||||||
| log(H/He) | ||||||||||
| log(C/He) | ||||||||||
| log(Ca/He) | ||||||||||
| log(Ca/H) | ||||||||||
| Parallax | [mas] | 5.06 (0.3) | 5.19 (0.4) | 5.06 | 5.06 (0.3) | |||||
| Distance | [pc] | 197.71 (13) | 192.66 (16) | 197.71 | 197.71 (13) | |||||
| Composition | ||||||||||
| Proper motion (right ascension) | [mas/yr] | -24.25391063 (0.3) | -24.23238755 (0.6) | -24.254 (0.3) | ||||||
| Proper motion (declination) | [mas/yr] | 17.57521798 (0.4) | 17.38204781 (0.5) | 17.575 (0.4) | ||||||
| Variability | ||||||||||
| Magnetic | ||||||||||
| Bd | [MG] | |||||||||
| Infrared excess (disk) | ||||||||||
| Binarity | ||||||||||
| B magnitude | ||||||||||
| V magnitude | 19.40 | |||||||||
| R magnitude | ||||||||||
| I magnitude | ||||||||||
| J magnitude | ||||||||||
| H magnitude | ||||||||||
| K magnitude | ||||||||||
| u magnitude | 19.79 (0.04) | 19.79 (0.04) | 19.77 (0.04) | |||||||
| g magnitude | 19.50 (0.01) | 19.50 (0.01) | 19.50 (0.02) | |||||||
| r magnitude | 19.54 (0.02) | 19.54 (0.02) | 19.55 (0.02) | |||||||
| i magnitude | 19.71 (0.03) | 19.71 (0.03) | 19.77 (0.04) | |||||||
| z magnitude | 19.74 (0.1) | 19.74 (0.1) | 19.79 (0.1) | |||||||
| G magnitude | 19.41 (0.03) | 19.46 | 19.41 | 19.41 (0.004) | ||||||
| BP magnitude | 19.51 (0.03) | 19.50 | ||||||||
| RP magnitude | 19.35 (0.04) | 19.41 | ||||||||
| Pan g magnitude | 19.40 (0.01) | |||||||||
| Pan r magnitude | 19.51 (0.007) | |||||||||
| Pan i magnitude | 19.67 (0.01) | |||||||||
| Pan z magnitude | 19.88 (0.03) | |||||||||
| Pan y magnitude | 19.83 (0.1) | |||||||||
| E(B-V) | 0.009 | |||||||||
* 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.