All names: WD 1245+070, USNO-B1.0 0967-00235670, WISE J124736.16+064550.5, SDSS J124736.15+064550.3, Gaia EDR3 3709564937182393728, 2MASS J12473615+0645502, Gaia DR2 3709564937182393728
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Gaia DR2 | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|
| Right ascension | 12 47 36.16 (0.2) | 12 47 36.16 (0.2) | 12 47 36.16 (0.2) | 12 47 36.14 | ||
| Declination | 06 45 50.35 (0.1) | 06 45 50.35 (0.1) | 06 45 50.36 (0.1) | 06 45 44.28 | ||
| Spectral type | DQpec | DQPec | ||||
| 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] | 2.89 (0.2) | 3.22 (0.3) | 3.22 (0.3) | ||
| Distance | [pc] | 346.03 (28) | 310.77 (28) | 310.77 (28) | ||
| Composition | ||||||
| Proper motion (right ascension) | [mas/yr] | 2.69541855 (0.3) | 2.764634427 (0.7) | 2.765 (0.7) | ||
| Proper motion (declination) | [mas/yr] | -0.720614863 (0.2) | -0.396980498 (0.3) | -0.397 (0.3) | ||
| Variability | ||||||
| Magnetic | yes | |||||
| Bd | [MG] | |||||
| Infrared excess (disk) | ||||||
| Binarity | ||||||
| B magnitude | 21.10 | |||||
| V magnitude | ||||||
| R magnitude | 18.90 | |||||
| I magnitude | ||||||
| J magnitude | 15.98 (0.09) | |||||
| H magnitude | 15.38 (0.1) | |||||
| K magnitude | 15.17 (0.2) | |||||
| u magnitude | 23.03 (0.6) | |||||
| g magnitude | 20.61 (0.03) | |||||
| r magnitude | 19.06 (0.01) | |||||
| i magnitude | 17.96 (0.007) | |||||
| z magnitude | 17.36 (0.01) | |||||
| G magnitude | 18.67 (0.05) | 18.69 | 18.69 (0.002) | |||
| BP magnitude | 19.99 (0.05) | 19.95 | ||||
| RP magnitude | 17.54 (0.009) | 17.53 | ||||
| Pan g magnitude | 20.35 (0.008) | |||||
| Pan r magnitude | 19.06 (0.009) | |||||
| Pan i magnitude | 17.96 (0.005) | |||||
| Pan z magnitude | 17.46 (0.006) | |||||
| Pan y magnitude | 17.21 (0.005) |
* 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 (LANL). Please send database updates, corrections, suggestions or bug reports to patrick.dufour@umontreal.ca.