All names: DENIS J051212.7-050503, WDJ051212.79-050503.36, Gaia DR3 3211784863301909504, Gaia DR2 3211784863301909504, SDSS J051212.78-050503.4, J0512-0505, Gaia EDR3 3211784863301909504
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Kilic et al. 2025 | Caron et al. 2023 | MWDD H | MWDD HE | Gaia DR2 | Hollands et al. 2017 | Stilism | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 05 12 12.72 (0.07) | 05 12 12.72 (0.1) | 05 12 12.72 | 05 12 12.79 (0.07) | 05 12 12.72 | ||||||||
| Declination | -05 05 04.16 (0.05) | -05 05 04.14 (0.09) | -05 05 04.16 | -05 05 03.36 (0.05) | -05 05 04.14 | ||||||||
| Spectral type | DZ | DZ | DZ | DZ | DZ | ||||||||
| Effective temperature | [K] | 5486.0 (20) | 5606.0 (21) | 6583.0 | 6352.0 | 5563.0 (60) | 5629.0 (32) | ||||||
| log(g) | [cgs] | 7.95 (0.01) | 8.02 (0.01) | 8.33 | 8.22 | 8.01 (0.01) | |||||||
| Mass | [M☉] | 0.541 (0.008) | 0.58 (0.01) | 0.803 | 0.713 | 0.573 (0.01) | |||||||
| log(Luminosity) | [L☉] | ||||||||||||
| Cooling age | [Gyr] | 3.9200 | 3.5820 | 3.4290 | 4.5000 | ||||||||
| log(H/He) | -4.0 | ||||||||||||
| log(C/He) | |||||||||||||
| log(Ca/He) | -9.25 | -8.99 | -8.99 | ||||||||||
| log(Ca/H) | |||||||||||||
| log(N/He) | |||||||||||||
| log(O/He) | |||||||||||||
| log(Na/He) | -9.65 | ||||||||||||
| log(Mg/He) | -8.05 | ||||||||||||
| 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) | -10.09 | ||||||||||||
| log(Mn/He) | |||||||||||||
| log(Fe/He) | -7.79 | ||||||||||||
| log(Co/He) | |||||||||||||
| log(Ni/He) | |||||||||||||
| log(Cu/He) | |||||||||||||
| log(Zn/He) | |||||||||||||
| log(Ga/He) | |||||||||||||
| log(Ge/He) | |||||||||||||
| log(Sr/He) | |||||||||||||
| Parallax | [mas] | 21.28 (0.1) | 21.10 (0.1) | 21.10 (0.1) | 21.28 | 21.28 (0.1) | 21.10 (0.1) | ||||||
| Distance | [pc] | 46.99 (0.2) | 47.39 (0.3) | 47.39 (0.3) | 55.50 (7) | 46.99 | 46.99 (0.2) | 47.39 (0.3) | |||||
| Composition | He | He | He | ||||||||||
| Proper motion (right ascension) | [mas/yr] | -67.0146181 (0.09) | -67.153 (0.2) | -67.015 (0.09) | -67.15252713 | ||||||||
| Proper motion (declination) | [mas/yr] | -50.3836961 (0.07) | -50.466 (0.2) | -50.384 (0.07) | -50.46631493 | ||||||||
| Variability | |||||||||||||
| Magnetic | |||||||||||||
| Bd | [MG] | ||||||||||||
| Infrared excess (disk) | |||||||||||||
| Binarity | |||||||||||||
| B magnitude | |||||||||||||
| V magnitude | |||||||||||||
| R magnitude | |||||||||||||
| I magnitude | 16.89 (0.1) | ||||||||||||
| J magnitude | 16.91 (0.02) | ||||||||||||
| H magnitude | 16.77 (0.02) | ||||||||||||
| K magnitude | 16.68 (0.04) | ||||||||||||
| u magnitude | 20.73 (0.2) | 20.72 (0.2) | 20.73 (0.2) | 20.73 (0.2) | |||||||||
| g magnitude | 17.91 (0.02) | 17.89 (0.008) | 17.89 (0.008) | ||||||||||
| r magnitude | 17.44 (0.02) | 17.41 (0.006) | 17.41 (0.006) | ||||||||||
| i magnitude | 17.42 (0.02) | 17.40 (0.007) | 17.40 (0.007) | ||||||||||
| z magnitude | 17.49 (0.02) | 17.48 (0.02) | 17.48 (0.02) | ||||||||||
| G magnitude | 17.52 (0.008) | 17.53 | 17.52 | 17.52 (0.003) | 17.53 | ||||||||
| BP magnitude | 17.84 (0.008) | 17.88 | 17.88 | ||||||||||
| RP magnitude | 17.11 (0.005) | 17.09 | 17.09 | ||||||||||
| Pan g magnitude | 17.81 (0.007) | 17.81 (0.007) | |||||||||||
| Pan r magnitude | 17.41 (0.004) | 17.41 (0.005) | |||||||||||
| Pan i magnitude | 17.43 (0.004) | 17.43 (0.005) | |||||||||||
| Pan z magnitude | 17.53 (0.004) | 17.53 (0.005) | |||||||||||
| Pan y magnitude | 17.55 (0.01) | 17.55 (0.009) | |||||||||||
| E(B-V) | 0.000 | ||||||||||||
* 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.