All names: SDSS J125122.06-023737.21, SDSSJ125122.06-023737.21, GALEX J125122.0-023737, Gaia DR2 3682377042580397056, SDSS J125122.05-023737.3, TIC 53286858, Gaia EDR3 3682377042580397056, 2MASS J12512207-0237375, SDSS J125122.06-023737.2, Gaia DR3 3682377042580397056
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Geier 2020 | Gaia DR2 | Stilism | Kepler et al. 2016 | Simbad |
|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 12 51 22.05 (0.1) | 12 51 22.06 | 12 51 22.06 | 12 51 22.05 (0.2) | 12 51 22.05 (0.1) | ||||
| Declination | -02 37 37.30 (0.06) | -02 37 37.30 | -02 37 37.21 | -02 37 37.30 (0.1) | -02 37 37.28 (0.06) | ||||
| Spectral type | sdB | sdB | sdB | ||||||
| Effective temperature | [K] | 29108.0 (463) | 29108.0 (463) | ||||||
| log(g) | [cgs] | 5.41 (0.09) | 5.41 (0.09) | ||||||
| Mass | [M☉] | ||||||||
| log(Luminosity) | [L☉] | ||||||||
| Cooling age | [Gyr] | ||||||||
| log(H/He) | |||||||||
| log(C/He) | |||||||||
| log(Ca/He) | |||||||||
| log(Ca/H) | |||||||||
| Parallax | [mas] | 0.05 (0.1) | 0.02 (0.2) | 0.02 (0.2) | 0.05 (0.1) | ||||
| Distance | [pc] | 19316.53 (45027) | 43668.12 (337713) | 43601.92 (336675) | 19305.02 (44983) | ||||
| Composition | |||||||||
| Proper motion (right ascension) | [mas/yr] | -8.383668623 (0.2) | -8.73 (0.3) | -8.730324562 (0.3) | -8.384 (0.2) | ||||
| Proper motion (declination) | [mas/yr] | -1.451344289 (0.2) | -1.216 (0.2) | -1.216189534 (0.2) | -1.451 (0.2) | ||||
| Variability | |||||||||
| Magnetic | |||||||||
| Bd | [MG] | ||||||||
| Infrared excess (disk) | |||||||||
| Binarity | |||||||||
| B magnitude | |||||||||
| V magnitude | |||||||||
| R magnitude | |||||||||
| I magnitude | |||||||||
| J magnitude | 16.73 (0.1) | 16.73 (0.1) | |||||||
| H magnitude | 16.63 | ||||||||
| K magnitude | 15.99 | ||||||||
| u magnitude | 18.13 (0.01) | 18.12 (0.01) | 18.12 (0.02) | 18.12 (0.01) | |||||
| g magnitude | 17.57 (0.005) | 17.56 (0.005) | 17.57 (0.02) | 17.56 (0.005) | |||||
| r magnitude | 17.55 (0.005) | 17.54 (0.005) | 17.55 (0.01) | 17.54 (0.005) | |||||
| i magnitude | 17.58 (0.007) | 17.57 (0.007) | 17.57 (0.02) | 17.57 (0.007) | |||||
| z magnitude | 17.61 (0.02) | 17.60 (0.02) | 17.60 (0.02) | 17.60 (0.02) | |||||
| G magnitude | 17.49 (0.01) | 17.52 (0.001) | 17.52 | 17.49 (0.003) | |||||
| BP magnitude | 17.62 (0.01) | 17.60 (0.008) | 17.60 | ||||||
| RP magnitude | 17.28 (0.01) | 17.24 (0.007) | 17.24 | ||||||
| Pan g magnitude | 17.60 (0.005) | 17.60 (0.005) | |||||||
| Pan r magnitude | 17.57 (0.006) | 17.57 (0.006) | |||||||
| Pan i magnitude | 17.60 (0.004) | 17.60 (0.004) | |||||||
| Pan z magnitude | 17.65 (0.005) | 17.65 (0.005) | |||||||
| Pan y magnitude | 17.68 (0.01) | 17.68 (0.01) | |||||||
| E(B-V) | 0.023 | ||||||||
* 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.