All names: SDSS J125733.60+000605.9, Gaia DR2 3689391205210911232, SDSS J125733.60+000605.8, GALEX J125733.6+000606, WD 1254+003, Gaia EDR3 3689391205210911232, 2QZ J125733.5+000605, Gaia DR3 3689391205210911232
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Gaia DR2 | Stilism | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|
| Right ascension | 12 57 33.63 (0.3) | 12 57 33.63 (0.3) | 12 57 33.61 (0.3) | 12 57 32.69 | |||
| Declination | 00 06 05.67 (0.2) | 00 06 05.68 (0.2) | 00 06 05.85 (0.2) | 00 06 05.76 | |||
| Spectral type | DA4.0 | DA4.0 | |||||
| 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] | 1.97 (0.3) | 0.77 (0.4) | 1.97 (0.3) | |||
| Distance | [pc] | 507.54 (80) | 1297.69 (594) | 507.54 (80) | |||
| Composition | |||||||
| Proper motion (right ascension) | [mas/yr] | 22.836609 (0.4) | 21.617 (0.7) | 22.837 (0.4) | |||
| Proper motion (declination) | [mas/yr] | -10.87243454 (0.3) | -10.949 (0.5) | -10.872 (0.3) | |||
| Variability | |||||||
| Magnetic | |||||||
| Bd | [MG] | ||||||
| Infrared excess (disk) | |||||||
| Binarity | |||||||
| B magnitude | 18.62 | ||||||
| V magnitude | 18.50 | ||||||
| R magnitude | |||||||
| I magnitude | |||||||
| J magnitude | 18.90 (0.1) | ||||||
| H magnitude | 19.00 (0.2) | ||||||
| K magnitude | |||||||
| u magnitude | 19.05 (0.02) | ||||||
| g magnitude | 18.66 (0.008) | ||||||
| r magnitude | 18.87 (0.01) | ||||||
| i magnitude | 19.05 (0.01) | ||||||
| z magnitude | 19.35 (0.07) | ||||||
| G magnitude | 18.86 (0.04) | 18.89 | 18.86 (0.004) | ||||
| BP magnitude | 18.72 (0.04) | 18.70 | |||||
| RP magnitude | 18.77 (0.04) | 18.70 | |||||
| Pan g magnitude | 18.70 (0.008) | ||||||
| Pan r magnitude | 18.93 (0.01) | ||||||
| Pan i magnitude | 19.13 (0.01) | ||||||
| Pan z magnitude | 19.32 (0.01) | ||||||
| Pan y magnitude | 19.41 (0.04) | ||||||
| E(B-V) | 0.022 | ||||||
* 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.