All names: SDSS J092228.57+121125.8, Gaia EDR3 593918802224747776, GALEX J092228.6+121126, SDSS J092228.56+121125.8, Gaia DR2 593918802224747776, SDSS J092228.57+121125.87, Gaia DR3 593918802224747776
| Parameter | Unit | Gaia EDR3 | SDSS DR10 | Gaia DR2 | Stilism | Kepler et al. 2015 | Simbad | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|
| Right ascension | 09 22 28.56 (0.2) | 09 22 28.57 | 09 22 28.56 (0.3) | 09 22 28.57 (0.2) | ||||
| Declination | 12 11 25.90 (0.2) | 12 11 25.88 | 12 11 25.90 (0.3) | 12 11 25.84 (0.2) | ||||
| Spectral type | DA | DA | DA | |||||
| Effective temperature | [K] | 16143.0 (170) | ||||||
| log(g) | [cgs] | 8.19 (0.03) | ||||||
| Mass | [M☉] | 0.716 (0.01) | ||||||
| log(Luminosity) | [L☉] | |||||||
| Cooling age | [Gyr] | |||||||
| log(H/He) | ||||||||
| log(C/He) | ||||||||
| log(Ca/He) | ||||||||
| log(Ca/H) | ||||||||
| Parallax | [mas] | 2.95 (0.3) | 2.81 (0.3) | 2.95 (0.3) | ||||
| Distance | [pc] | 339.48 (29) | 355.71 (43) | 339.48 (29) | ||||
| Composition | ||||||||
| Proper motion (right ascension) | [mas/yr] | -8.019201883 (0.3) | -8.539126455 (0.6) | -8.019 (0.3) | ||||
| Proper motion (declination) | [mas/yr] | 4.162042324 (0.2) | 4.869258528 (0.5) | 4.162 (0.2) | ||||
| Variability | ||||||||
| Magnetic | ||||||||
| Bd | [MG] | |||||||
| Infrared excess (disk) | ||||||||
| Binarity | ||||||||
| B magnitude | ||||||||
| V magnitude | ||||||||
| R magnitude | ||||||||
| I magnitude | ||||||||
| J magnitude | ||||||||
| H magnitude | ||||||||
| K magnitude | ||||||||
| u magnitude | 19.11 (0.02) | 19.11 (0.03) | 19.11 (0.02) | |||||
| g magnitude | 18.83 (0.009) | 18.83 (0.02) | 18.83 (0.009) | |||||
| r magnitude | 19.22 (0.01) | 19.23 (0.03) | 19.22 (0.01) | |||||
| i magnitude | 19.53 (0.02) | 19.51 (0.06) | 19.53 (0.02) | |||||
| z magnitude | 20.29 (0.1) | 20.25 (0.1) | 20.29 (0.1) | |||||
| G magnitude | 18.97 (0.03) | 19.00 | 18.97 (0.004) | |||||
| BP magnitude | 18.93 (0.03) | 18.90 | ||||||
| RP magnitude | 19.11 (0.05) | 19.08 | ||||||
| Pan g magnitude | ||||||||
| Pan r magnitude | ||||||||
| Pan i magnitude | ||||||||
| Pan z magnitude | ||||||||
| Pan y magnitude | ||||||||
| E(B-V) | 0.025 | |||||||
* 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.