All names: Gaia DR3 922207131460711040, GALEX J075610.3+410453, SDSSJ075610.33+410453.6, Gaia EDR3 922207131460711040, SDSS J075610.33+410453.6, LAMOST J075610.41+410455.4, KUV 07528+4113, SDSS J075610.34+410453.7, SDSS J075610.33+410453.7, USNO-B1.0 1310-00190255, SDSS J075610.34+410453.6, Gaia DR2 922207131460711040, WD 0752+412
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Geier 2020 | Gaia DR2 | Stilism | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 07 56 10.34 (0.06) | 07 56 10.34 | 07 56 10.33 | 07 56 10.34 (0.08) | 07 56 10.34 (0.06) | 07 56 09.98 | |||
| Declination | 41 04 53.65 (0.05) | 41 04 53.68 | 41 04 53.60 | 41 04 53.65 (0.07) | 41 04 53.76 (0.05) | 41 04 54.12 | |||
| Spectral type | sdB | sdB | DA? | ||||||
| Effective temperature | [K] | 23961.0 (838) | |||||||
| log(g) | [cgs] | 5.70 (0.1) | |||||||
| Mass | [M☉] | ||||||||
| log(Luminosity) | [L☉] | ||||||||
| Cooling age | [Gyr] | ||||||||
| log(H/He) | |||||||||
| log(C/He) | |||||||||
| log(Ca/He) | |||||||||
| log(Ca/H) | |||||||||
| Parallax | [mas] | 0.60 (0.08) | 0.67 (0.1) | 0.67 (0.1) | 0.60 (0.08) | ||||
| Distance | [pc] | 1666.36 (219) | 1497.45 (255) | 1497.56 (255) | 1666.39 (219) | ||||
| Composition | |||||||||
| Proper motion (right ascension) | [mas/yr] | -2.865659321 (0.07) | -2.573 (0.2) | -2.572921661 (0.2) | -2.866 (0.07) | ||||
| Proper motion (declination) | [mas/yr] | -6.622288359 (0.05) | -6.445 (0.1) | -6.444682247 (0.1) | -6.622 (0.05) | ||||
| Variability | |||||||||
| Magnetic | |||||||||
| Bd | [MG] | ||||||||
| Infrared excess (disk) | |||||||||
| Binarity | |||||||||
| B magnitude | 16.60 | ||||||||
| V magnitude | 17.00 | ||||||||
| R magnitude | 16.80 | ||||||||
| I magnitude | |||||||||
| J magnitude | |||||||||
| H magnitude | |||||||||
| K magnitude | |||||||||
| u magnitude | 16.74 (0.007) | 16.73 (0.007) | 16.73 (0.007) | ||||||
| g magnitude | 16.75 (0.004) | 16.75 (0.004) | 16.75 (0.004) | ||||||
| r magnitude | 17.21 (0.005) | 17.21 (0.005) | 17.21 (0.005) | ||||||
| i magnitude | 17.54 (0.007) | 17.53 (0.007) | 17.53 (0.007) | ||||||
| z magnitude | 17.87 (0.02) | 17.85 (0.02) | 17.81 (0.02) | ||||||
| G magnitude | 16.99 (0.005) | 17.02 (0.002) | 17.02 | 16.99 (0.003) | |||||
| BP magnitude | 16.89 (0.005) | 16.84 (0.009) | 16.84 | ||||||
| RP magnitude | 17.21 (0.01) | 17.19 (0.007) | 17.19 | ||||||
| Pan g magnitude | 16.83 (0.005) | 16.83 (0.005) | |||||||
| Pan r magnitude | 17.20 (0.005) | 17.20 (0.005) | |||||||
| Pan i magnitude | 17.53 (0.003) | 17.53 (0.003) | |||||||
| Pan z magnitude | 17.79 (0.01) | 17.79 (0.01) | |||||||
| Pan y magnitude | 17.94 (0.02) | 17.94 (0.02) | |||||||
| E(B-V) | 0.039 | ||||||||
* 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.