All names: Gaia DR2 641813941047521664, SDSS J095820.45+224310.5, GALEX J095820.4+224310, LAMOST J095820.45+224310.3, Gaia DR3 641813941047521664, SDSS J095820.46+224310.56, SDSS J095820.45+224310.4, SDSS J095820.46+224310.5, Gaia EDR3 641813941047521664
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Gaia DR2 | Stilism | Kepler et al. 2016 | Vincent et al. 2024 | Simbad | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 09 58 20.46 (0.06) | 09 58 20.45 | 09 58 20.46 (0.09) | 09 58 20.46 | 09 58 20.45 (0.06) | |||||
| Declination | 22 43 10.50 (0.06) | 22 43 10.45 | 22 43 10.50 (0.08) | 22 43 10.50 | 22 43 10.30 (0.06) | |||||
| Spectral type | DA | DA | DA | DA | ||||||
| Effective temperature | [K] | 18557.0 (56) | 18229.0 (358) | |||||||
| log(g) | [cgs] | 8.05 (0.01) | 8.03 (0.02) | |||||||
| Mass | [M☉] | 0.645 (0.005) | 0.636 (0.02) | |||||||
| log(Luminosity) | [L☉] | |||||||||
| Cooling age | [Gyr] | |||||||||
| log(H/He) | ||||||||||
| log(C/He) | ||||||||||
| log(Ca/He) | ||||||||||
| log(Ca/H) | ||||||||||
| Parallax | [mas] | 7.45 (0.07) | 7.36 (0.1) | 7.45 | 7.45 (0.07) | |||||
| Distance | [pc] | 134.20 (1) | 135.91 (2) | 134.20 | 134.20 (1) | |||||
| Composition | ||||||||||
| Proper motion (right ascension) | [mas/yr] | 7.151891301 (0.07) | 7.52009179 (0.2) | 7.152 (0.07) | ||||||
| Proper motion (declination) | [mas/yr] | 12.29826332 (0.06) | 12.47492752 (0.2) | 12.298 (0.06) | ||||||
| Variability | ||||||||||
| Magnetic | ||||||||||
| Bd | [MG] | |||||||||
| Infrared excess (disk) | ||||||||||
| Binarity | ||||||||||
| B magnitude | ||||||||||
| V magnitude | ||||||||||
| R magnitude | ||||||||||
| I magnitude | ||||||||||
| J magnitude | ||||||||||
| H magnitude | ||||||||||
| K magnitude | ||||||||||
| u magnitude | 16.58 (0.007) | 16.61 (0.01) | 16.59 (0.007) | |||||||
| g magnitude | 16.44 (0.004) | 16.48 (0.02) | 16.45 (0.004) | |||||||
| r magnitude | 16.81 (0.005) | 16.81 (0.02) | 16.81 (0.005) | |||||||
| i magnitude | 17.12 (0.006) | 17.11 (0.02) | 17.11 (0.006) | |||||||
| z magnitude | 17.37 (0.01) | 17.37 (0.02) | 17.37 (0.01) | |||||||
| G magnitude | 16.66 (0.004) | 16.68 | 16.66 | 16.66 (0.003) | ||||||
| BP magnitude | 16.59 (0.004) | 16.58 | ||||||||
| RP magnitude | 16.81 (0.007) | 16.79 | ||||||||
| Pan g magnitude | 16.53 (0.002) | |||||||||
| Pan r magnitude | 16.85 (0.006) | |||||||||
| Pan i magnitude | 17.12 (0.004) | |||||||||
| Pan z magnitude | 17.38 (0.01) | |||||||||
| Pan y magnitude | 17.55 (0.01) | |||||||||
| E(B-V) | 0.008 | |||||||||
* 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.