All names: 2SLAQ J124346.39+002534.9, SDSS J124346.38+002535.1, Gaia EDR3 3702032560978038784, 2QZ J124346.4+002533, Gaia DR2 3702032560978038784, SDSS J124346.38+002534.8, SDSS J124346.38+002534.9, SDSSJ124346.38+002534.9, GALEX J124346.4+002535, Gaia DR3 3702032560978038784
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Geier 2020 | Gaia DR2 | Stilism | Harris et al. 2003 | Simbad | Eisenstein et al. 2006 |
|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 12 43 46.38 (0.2) | 12 43 46.38 | 12 43 46.38 | 12 43 46.38 (0.2) | 12 43 46.39 (0.2) | 12 43 46.39 | ||||
| Declination | 00 25 34.85 (0.08) | 00 25 34.81 | 00 25 34.90 | 00 25 34.85 (0.2) | 00 25 34.88 (0.08) | 00 25 34.90 | ||||
| Spectral type | sdOB+MS | sdB:-He | sdB | SDB | ||||||
| Effective temperature | [K] | 7327.0 (37) | ||||||||
| log(g) | [cgs] | 8.99 (0.02) | ||||||||
| Mass | [M☉] | |||||||||
| log(Luminosity) | [L☉] | |||||||||
| Cooling age | [Gyr] | |||||||||
| log(H/He) | ||||||||||
| log(C/He) | ||||||||||
| log(Ca/He) | ||||||||||
| log(Ca/H) | ||||||||||
| Parallax | [mas] | 0.14 (0.2) | 0.26 (0.2) | 0.26 (0.2) | 0.14 (0.2) | |||||
| Distance | [pc] | 7245.71 (9789) | 3868.47 (3596) | 3867.97 (3594) | 7246.38 (9793) | |||||
| Composition | ||||||||||
| Proper motion (right ascension) | [mas/yr] | -4.875722184 (0.3) | -4.883 (0.6) | -4.882580148 (0.6) | -4.876 (0.3) | -3.8 | ||||
| Proper motion (declination) | [mas/yr] | -1.812115191 (0.2) | -1.505 (0.3) | -1.504571241 (0.3) | -1.812 (0.2) | -6.2 | ||||
| Variability | ||||||||||
| Magnetic | ||||||||||
| Bd | [MG] | |||||||||
| Infrared excess (disk) | ||||||||||
| Binarity | ||||||||||
| B magnitude | 18.86 | |||||||||
| V magnitude | ||||||||||
| R magnitude | ||||||||||
| I magnitude | ||||||||||
| J magnitude | ||||||||||
| H magnitude | ||||||||||
| K magnitude | ||||||||||
| u magnitude | 18.88 (0.02) | 18.88 (0.02) | 18.84 | 18.80 (0.02) | 18.82 (0.02) | |||||
| g magnitude | 18.62 (0.008) | 18.62 (0.008) | 18.61 | 18.61 (0.008) | 18.61 (0.03) | |||||
| r magnitude | 18.55 (0.009) | 18.55 (0.009) | 18.58 | 18.57 (0.009) | 18.58 (0.01) | |||||
| i magnitude | 18.53 (0.01) | 18.53 (0.01) | 18.56 | 18.56 (0.01) | 18.57 (0.01) | |||||
| z magnitude | 18.56 (0.03) | 18.56 (0.03) | 18.52 | 18.56 (0.03) | 18.53 (0.03) | |||||
| G magnitude | 18.49 (0.02) | 18.52 (0.002) | 18.52 | 18.49 (0.003) | ||||||
| BP magnitude | 18.63 (0.02) | 18.60 (0.02) | 18.60 | |||||||
| RP magnitude | 18.21 (0.02) | 18.21 (0.02) | 18.21 | |||||||
| Pan g magnitude | 18.63 (0.004) | 18.63 (0.004) | ||||||||
| Pan r magnitude | 18.58 (0.004) | 18.58 (0.004) | ||||||||
| Pan i magnitude | 18.55 (0.004) | 18.55 (0.004) | ||||||||
| Pan z magnitude | 18.57 (0.01) | 18.57 (0.01) | ||||||||
| Pan y magnitude | 18.61 (0.02) | 18.61 (0.02) | ||||||||
| 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.