All names: GEN# +6.10060117, WD 1019+46, Gaia DR2 833452873535333760, Gaia DR3 833452873535333760, USNO-B1.0 1360-00206449, GD 117, SDSS J102234.92+460058.8, J1022+4600, LAMOST J102234.91+460058.7, GALEX J102234.8+460059, SDSS J102234.91+460058.7, 2MASS J10223496+4600590, LSPM J1022+4600, WD 1019+462, TIC 392348047, Gaia EDR3 833452873535333760, EGGR 220, LP 167-33, 10225+4600, PM J10225+4600, PSO J155.6446+46.0163, WDJ102234.95+460058.74
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Kilic et al. 2025 | Caron et al. 2023 | Kilic et al. 2020 | Blouin et al. 2019 | MWDD H | Gaia DR2 | Stilism | Guo et al. 2015 | Limoges et al. 2015 | Gianninas et al. 2011 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | Eisenstein et al. 2006 | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 10 22 34.68 (0.04) | 10 22 34.92 | 10 22 34.69 (0.05) | 10 22 34.68 | 10 22 34.95 (0.04) | 10 22 34.69 | 10 22 34.92 | 10 22 35.83 | 10 22 34.92 | ||||||||||||
| Declination | 46 00 58.88 (0.04) | 46 00 58.76 | 46 00 58.87 (0.05) | 46 00 58.88 | 46 00 58.74 (0.04) | 46 00 58.87 | 46 00 58.79 | 46 00 55.80 | 46 00 58.80 | ||||||||||||
| Spectral type | DA | DA | DA | DA | DA | DA | DA | DA | DA | DA7.6 | DA | SDB | DA7 | DA | DA | ||||||
| Effective temperature | [K] | 7764.0 (34) | 7819.0 (30) | 7764.0 (34) | 7595.0 (65) | 7633.0 | 6510.0 (121) | 6600.0 (130) | 7985.0 (56) | 6947.0 (20) | 6423.0 (22) | ||||||||||
| log(g) | [cgs] | 7.50 (0.008) | 7.51 (0.009) | 7.49 (0.01) | 7.45 (0.02) | 7.45 | 8.52 (0.2) | 8.54 (0.2) | 7.57 (0.01) | 9.00 (0.003) | 8.26 (0.04) | ||||||||||
| Mass | [M☉] | 0.346 (0.005) | 0.35 (0.005) | 0.341 (0.005) | 0.325 (0.009) | 0.326 | 0.93 (0.1) | 0.94 (0.1) | 0.374 (0.008) | ||||||||||||
| log(Luminosity) | [L☉] | -3.91 | |||||||||||||||||||
| Cooling age | [Gyr] | 0.6700 | 0.6830 (0.02) | 0.6759 | |||||||||||||||||
| log(H/He) | |||||||||||||||||||||
| log(C/He) | |||||||||||||||||||||
| log(Ca/He) | |||||||||||||||||||||
| log(Ca/H) | |||||||||||||||||||||
| log(C/H) | |||||||||||||||||||||
| log(N/H) | |||||||||||||||||||||
| log(O/H) | |||||||||||||||||||||
| log(Na/H) | |||||||||||||||||||||
| log(Mg/H) | |||||||||||||||||||||
| log(Al/H) | |||||||||||||||||||||
| log(Si/H) | |||||||||||||||||||||
| log(P/H) | |||||||||||||||||||||
| log(S/H) | |||||||||||||||||||||
| log(Sc/H) | |||||||||||||||||||||
| log(Ti/H) | |||||||||||||||||||||
| log(Cr/H) | |||||||||||||||||||||
| log(Mn/H) | |||||||||||||||||||||
| log(Fe/H) | |||||||||||||||||||||
| log(Ni/H) | |||||||||||||||||||||
| Parallax | [mas] | 14.51 (0.05) | 14.41 (0.08) | 14.41 (0.08) | 14.41 (0.08) | 14.51 | 14.51 (0.05) | 14.41 (0.08) | |||||||||||||
| Distance | [pc] | 68.93 (0.3) | 69.40 (0.4) | 69.40 (0.4) | 69.40 (0.4) | 27.30 (1) | 26.00 | 68.93 | 68.93 (0.3) | 69.40 (0.4) | |||||||||||
| Composition | H | H | H | H | H | H | |||||||||||||||
| Proper motion (right ascension) | [mas/yr] | -171.5007598 (0.04) | -171.5418215 (0.1) | -171.501 (0.04) | -171.542 | -165.6 | |||||||||||||||
| Proper motion (declination) | [mas/yr] | 8.618170011 (0.04) | 8.516275873 (0.1) | 8.618 (0.04) | 8.516 | 6.9 | |||||||||||||||
| Variability | |||||||||||||||||||||
| Magnetic | |||||||||||||||||||||
| Bd | [MG] | ||||||||||||||||||||
| Infrared excess (disk) | |||||||||||||||||||||
| Binarity | yes | ||||||||||||||||||||
| B magnitude | 17.03 | ||||||||||||||||||||
| V magnitude | |||||||||||||||||||||
| R magnitude | 16.70 | ||||||||||||||||||||
| I magnitude | |||||||||||||||||||||
| J magnitude | 16.11 (0.01) | 16.12 (0.1) | 16.12 (0.1) | ||||||||||||||||||
| H magnitude | 16.14 (0.3) | 16.14 (0.3) | 16.14 (0.3) | ||||||||||||||||||
| K magnitude | 15.77 (0.2) | 15.77 (0.2) | 15.77 (0.2) | ||||||||||||||||||
| u magnitude | 17.17 (0.008) | 17.17 (0.008) | 17.17 (0.008) | 17.17 (0.008) | 17.13 (0.02) | 17.17 (0.02) | |||||||||||||||
| g magnitude | 16.70 (0.005) | 16.73 (0.004) | 16.70 (0.005) | 16.68 (0.02) | 16.70 (0.02) | ||||||||||||||||
| r magnitude | 16.61 (0.005) | 16.62 (0.004) | 16.61 (0.005) | 16.61 (0.01) | 16.62 (0.01) | ||||||||||||||||
| i magnitude | 16.63 (0.005) | 16.65 (0.002) | 16.63 (0.005) | 16.60 (0.01) | 16.61 (0.01) | ||||||||||||||||
| z magnitude | 16.71 (0.009) | 16.73 (0.003) | 16.70 (0.009) | 16.67 (0.01) | 16.69 (0.01) | ||||||||||||||||
| G magnitude | 16.58 (0.004) | 16.60 | 16.58 | 16.58 (0.003) | 16.60 | ||||||||||||||||
| BP magnitude | 16.73 (0.004) | 16.72 | 16.72 | ||||||||||||||||||
| RP magnitude | 16.31 (0.004) | 16.32 | 16.32 | ||||||||||||||||||
| Pan g magnitude | 16.73 (0.004) | 16.73 (0.004) | 16.73 (0.004) | ||||||||||||||||||
| Pan r magnitude | 16.62 (0.004) | 16.62 (0.004) | 16.62 (0.004) | ||||||||||||||||||
| Pan i magnitude | 16.65 (0.002) | 16.65 (0.002) | 16.65 (0.002) | ||||||||||||||||||
| Pan z magnitude | 16.73 (0.003) | 16.73 (0.003) | 16.73 (0.003) | ||||||||||||||||||
| Pan y magnitude | 16.78 (0.008) | 16.78 (0.008) | 16.78 (0.008) | ||||||||||||||||||
| E(B-V) | 0.003 | ||||||||||||||||||||
* 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.