All names: Gaia DR2 3683450539590490368, SDSSJ124630.65-013427.1, GALEX J124630.6-013426, Gaia EDR3 3683450539590490368, SDSS J124630.66-013427.2, Gaia DR3 3683450539590490368, SDSS J124630.65-013427.0, 2QZ J124630.6-013428, SDSS J124630.65-013427.1
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Geier 2020 | Gaia DR2 | Simbad | Eisenstein et al. 2006 |
|---|---|---|---|---|---|---|---|---|
| Right ascension | 12 46 30.65 (0.2) | 12 46 30.65 | 12 46 30.65 | 12 46 30.65 (0.2) | 12 46 30.65 (0.2) | 12 46 30.65 | ||
| Declination | -01 34 27.23 (0.1) | -01 34 27.12 | -01 34 27.12 | -01 34 27.22 (0.2) | -01 34 27.10 (0.1) | -01 34 27.09 | ||
| Spectral type | sdB+MS | sdB | SDB | |||||
| Effective temperature | [K] | 8037.0 (60) | ||||||
| log(g) | [cgs] | 8.47 (0.1) | ||||||
| Mass | [M☉] | |||||||
| log(Luminosity) | [L☉] | |||||||
| Cooling age | [Gyr] | |||||||
| log(H/He) | ||||||||
| log(C/He) | ||||||||
| log(Ca/He) | ||||||||
| log(Ca/H) | ||||||||
| Parallax | [mas] | -0.11 (0.2) | -0.05 (0.3) | -0.05 (0.3) | ||||
| Distance | [pc] | |||||||
| Composition | ||||||||
| Proper motion (right ascension) | [mas/yr] | 1.550319202 (0.3) | 1.214 (0.6) | 1.21400537 (0.6) | 1.55 (0.3) | 11.7 | ||
| Proper motion (declination) | [mas/yr] | -7.645842507 (0.2) | -7.691 (0.4) | -7.690997206 (0.4) | -7.646 (0.2) | -8.8 | ||
| Variability | ||||||||
| Magnetic | ||||||||
| Bd | [MG] | |||||||
| Infrared excess (disk) | ||||||||
| Binarity | ||||||||
| B magnitude | ||||||||
| V magnitude | ||||||||
| R magnitude | ||||||||
| I magnitude | ||||||||
| J magnitude | ||||||||
| H magnitude | ||||||||
| K magnitude | ||||||||
| u magnitude | 18.87 (0.02) | 18.87 (0.02) | 18.87 (0.02) | 18.89 (0.03) | ||||
| g magnitude | 18.66 (0.008) | 18.66 (0.008) | 18.66 (0.008) | 18.64 (0.02) | ||||
| r magnitude | 18.72 (0.01) | 18.72 (0.01) | 18.72 (0.01) | 18.72 (0.01) | ||||
| i magnitude | 18.80 (0.01) | 18.80 (0.01) | 18.80 (0.01) | 18.82 (0.02) | ||||
| z magnitude | 18.83 (0.04) | 18.83 (0.04) | 18.83 (0.04) | 18.78 (0.04) | ||||
| G magnitude | 18.62 (0.02) | 18.66 (0.002) | 18.66 | 18.62 (0.003) | ||||
| BP magnitude | 18.69 (0.02) | 18.64 (0.02) | 18.64 | |||||
| RP magnitude | 18.48 (0.02) | 18.44 (0.03) | 18.44 | |||||
| Pan g magnitude | 18.66 (0.007) | 18.66 (0.007) | ||||||
| Pan r magnitude | 18.73 (0.006) | 18.73 (0.006) | ||||||
| Pan i magnitude | 18.82 (0.005) | 18.82 (0.005) | ||||||
| Pan z magnitude | 18.90 (0.009) | 18.91 (0.009) | ||||||
| Pan y magnitude | 18.98 (0.02) | 18.98 (0.02) | ||||||
| E(B-V) | ||||||||
* 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.