All names: Gaia DR2 2881925666956510848, USNO-B1.0 1300-00001457, 00050+4003, LP 192-29, WDJ000501.13+400334.23, GD 1, LSPM J0005+4003, GALEX J000501.2+400335, PM J00050+4003, J0005+4003, Gaia DR3 2881925666956510848, NLTT 133, Gaia EDR3 2881925666956510848
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Caron et al. 2023 | Coutu et al. 2019 | MWDD H | MWDD HE | Gaia DR2 | Stilism | Limoges et al. 2015 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 00 05 01.42 (0.04) | 00 05 01.02 | 00 05 01.41 (0.06) | 00 05 01.42 | 00 05 01.13 (0.04) | 00 05 01.41 | |||||||
| Declination | 40 03 35.82 (0.03) | 40 03 35.84 | 40 03 35.77 (0.04) | 40 03 35.82 | 40 03 34.23 (0.03) | 40 03 35.77 | |||||||
| Spectral type | DZA | DZA | DZA | DQ: | DZA | ||||||||
| Effective temperature | [K] | 8979.0 (95) | 8829.0 (427) | 9682.0 | 9521.0 | 8150.0 (549) | 8483.0 (53) | ||||||
| log(g) | [cgs] | 8.05 (0.01) | 8.03 | 8.30 | 8.23 | 8.00 (0) | 7.91 (0.01) | ||||||
| Mass | [M☉] | 0.607 (0.01) | 0.5936 | 0.79 | 0.722 | 0.58 (0.1) | 0.525 (0.009) | ||||||
| log(Luminosity) | [L☉] | -3.20 | |||||||||||
| Cooling age | [Gyr] | 0.9300 | 0.8930 | 1.0320 | 0.9859 | ||||||||
| log(H/He) | -4.0 | -4.4811 (0.2) | |||||||||||
| log(C/He) | |||||||||||||
| log(Ca/He) | -10.27 | -10.4157 (0.04) | -10.52 | ||||||||||
| log(Ca/H) | |||||||||||||
| log(N/He) | |||||||||||||
| log(O/He) | |||||||||||||
| log(Na/He) | |||||||||||||
| log(Mg/He) | |||||||||||||
| log(Al/He) | |||||||||||||
| log(Si/He) | |||||||||||||
| log(P/He) | |||||||||||||
| log(S/He) | |||||||||||||
| log(Cl/He) | |||||||||||||
| log(Sc/He) | |||||||||||||
| log(Ti/He) | |||||||||||||
| log(V/He) | |||||||||||||
| log(Cr/He) | |||||||||||||
| log(Mn/He) | |||||||||||||
| log(Fe/He) | |||||||||||||
| log(Co/He) | |||||||||||||
| log(Ni/He) | |||||||||||||
| log(Cu/He) | |||||||||||||
| log(Zn/He) | |||||||||||||
| log(Ga/He) | |||||||||||||
| log(Ge/He) | |||||||||||||
| log(Sr/He) | |||||||||||||
| Parallax | [mas] | 15.60 (0.06) | 15.55 (0.08) | 15.55 | 15.55 (0.08) | 15.60 | 15.60 (0.06) | 15.55 (0.08) | |||||
| Distance | [pc] | 64.11 (0.2) | 64.31 (0.3) | 64.32 (0.3) | 64.32 (0.3) | 52.20 (9) | 64.11 | 64.11 (0.2) | 64.32 (0.3) | ||||
| Composition | He | He | He | ||||||||||
| Proper motion (right ascension) | [mas/yr] | 207.7208634 (0.05) | 207.778 (0.1) | 206.0 | 207.721 (0.05) | 207.7775863 | |||||||
| Proper motion (declination) | [mas/yr] | 99.86782258 (0.04) | 99.945 (0.06) | 101.0 | 99.868 (0.04) | 99.94518238 | |||||||
| Variability | |||||||||||||
| Magnetic | |||||||||||||
| Bd | [MG] | ||||||||||||
| Infrared excess (disk) | |||||||||||||
| Binarity | |||||||||||||
| B magnitude | 16.50 | ||||||||||||
| V magnitude | |||||||||||||
| R magnitude | 16.20 | ||||||||||||
| I magnitude | |||||||||||||
| J magnitude | 16.69 (0.02) | ||||||||||||
| H magnitude | |||||||||||||
| K magnitude | |||||||||||||
| u magnitude | |||||||||||||
| g magnitude | |||||||||||||
| r magnitude | |||||||||||||
| i magnitude | |||||||||||||
| z magnitude | |||||||||||||
| G magnitude | 16.78 (0.004) | 16.80 | 16.78 | 16.78 (0.003) | 16.80 | ||||||||
| BP magnitude | 16.84 (0.004) | 16.82 | 16.82 | ||||||||||
| RP magnitude | 16.66 (0.004) | 16.66 | 16.66 | ||||||||||
| Pan g magnitude | 16.81 (0.006) | 16.81 (0.007) | |||||||||||
| Pan r magnitude | 16.86 (0.005) | 16.86 (0.005) | |||||||||||
| Pan i magnitude | 16.99 (0.004) | 16.99 (0.004) | |||||||||||
| Pan z magnitude | 17.13 (0.005) | 17.13 (0.005) | |||||||||||
| Pan y magnitude | 17.25 (0.008) | 17.25 (0.009) | |||||||||||
| E(B-V) | 0.004 | ||||||||||||
* 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.