All names: Gaia EDR3 3705483966633255936, PB 4323, GALEX J125328.4+042043, SDSSJ125328.45+042044.0, GPM 193.368486+04.345583, Gaia DR3 3705483966633255936, Gaia DR2 3705483966633255936, SDSS J125328.45+042044.0, [BGK2006] J125328.45+042044.0, USNO-B1.0 0943-00209187
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Geier 2020 | Gaia DR2 | Stilism | Simbad | Eisenstein et al. 2006 |
|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 12 53 28.45 (0.06) | 12 53 28.45 | 12 53 28.45 | 12 53 28.45 (0.1) | 12 53 28.46 (0.06) | 12 53 28.45 | |||
| Declination | 04 20 43.89 (0.03) | 04 20 44.02 | 04 20 44.02 | 04 20 43.89 (0.07) | 04 20 43.98 (0.03) | 04 20 44.02 | |||
| Spectral type | sdB | sdB | SD_auto | ||||||
| Effective temperature | [K] | 17355.0 (120) | |||||||
| log(g) | [cgs] | 5.00 (0.001) | |||||||
| Mass | [M☉] | ||||||||
| log(Luminosity) | [L☉] | ||||||||
| Cooling age | [Gyr] | ||||||||
| log(H/He) | |||||||||
| log(C/He) | |||||||||
| log(Ca/He) | |||||||||
| log(Ca/H) | |||||||||
| Parallax | [mas] | 0.22 (0.07) | 0.54 (0.1) | 0.54 (0.1) | 0.22 (0.07) | ||||
| Distance | [pc] | 4581.31 (1404) | 1867.76 (421) | 1867.76 (421) | 4580.85 (1404) | ||||
| Composition | |||||||||
| Proper motion (right ascension) | [mas/yr] | -1.634117127 (0.08) | -1.772 (0.2) | -1.772153672 (0.2) | -1.634 (0.08) | 1.6 | |||
| Proper motion (declination) | [mas/yr] | -5.549598987 (0.07) | -5.749 (0.1) | -5.749450102 (0.1) | -5.55 (0.07) | -6.5 | |||
| Variability | |||||||||
| Magnetic | |||||||||
| Bd | [MG] | ||||||||
| Infrared excess (disk) | |||||||||
| Binarity | |||||||||
| B magnitude | 16.50 | ||||||||
| V magnitude | |||||||||
| R magnitude | 16.90 | ||||||||
| I magnitude | |||||||||
| J magnitude | |||||||||
| H magnitude | |||||||||
| K magnitude | |||||||||
| u magnitude | 17.10 (0.008) | 17.10 (0.008) | 17.10 (0.008) | 17.14 (0.01) | |||||
| g magnitude | 16.51 (0.004) | 16.51 (0.004) | 16.51 (0.004) | 16.53 (0.02) | |||||
| r magnitude | 16.83 (0.005) | 16.84 (0.005) | 16.84 (0.005) | 16.83 (0.02) | |||||
| i magnitude | 17.09 (0.005) | 17.09 (0.005) | 17.09 (0.005) | 17.10 (0.02) | |||||
| z magnitude | 17.25 (0.01) | 17.25 (0.01) | 17.26 (0.01) | 17.26 (0.01) | |||||
| G magnitude | 16.69 (0.005) | 16.71 (0.0009) | 16.71 | 16.69 (0.003) | |||||
| BP magnitude | 16.66 (0.005) | 16.64 (0.004) | 16.64 | ||||||
| RP magnitude | 16.77 (0.006) | 16.76 (0.005) | 16.76 | ||||||
| Pan g magnitude | 16.58 (0.005) | 16.58 (0.005) | |||||||
| Pan r magnitude | 16.85 (0.005) | 16.85 (0.005) | |||||||
| Pan i magnitude | 17.09 (0.001) | 17.09 (0.001) | |||||||
| Pan z magnitude | 17.28 (0.003) | 17.27 (0.003) | |||||||
| Pan y magnitude | 17.34 (0.01) | 17.34 (0.01) | |||||||
| E(B-V) | 0.021 | ||||||||
* 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.