All names: LEHPM 3865, WD 0501-555, Gaia DR2 4764692171059541120, GALEX J050243.3-552637, Gaia DR3 4764692171059541120, Gaia EDR3 4764692171059541120, LEHPM 1-3865, WDJ050243.44-552635.24, EC 05017-5530, TIC 220476416, 2MASS J05024343-5526352
| Parameter | Unit | Gaia EDR3 | O'Brien et al. 2024 | Gaia DR2 | Stilism | Subasavage et al. 2007 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 05 02 43.32 (0.03) | 05 02 43.32 (0.05) | 05 02 43.43 | 05 02 43.32 | 05 02 43.44 (0.03) | 05 02 43.32 | 05 02 42.65 | |||
| Declination | -55 26 39.41 (0.03) | -55 26 39.28 (0.05) | -55 26 35.20 | -55 26 39.41 | -55 26 35.24 (0.03) | -55 26 39.28 | -55 26 31.92 | |||
| Spectral type | DC | DC | DC: | DC | DC6.4 | |||||
| Effective temperature | [K] | 7451.0 (76) | 7851.0 (452) | 7362.0 (50) | ||||||
| log(g) | [cgs] | 7.99 (0.03) | 7.98 (0.01) | |||||||
| Mass | [M☉] | 0.569 (0.02) | 0.561 (0.009) | |||||||
| log(Luminosity) | [L☉] | |||||||||
| Cooling age | [Gyr] | |||||||||
| log(H/He) | ||||||||||
| log(C/He) | ||||||||||
| log(Ca/He) | ||||||||||
| 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] | 25.08 (0.03) | 25.08 (0.03) | 25.17 (0.05) | 25.08 | 25.08 (0.03) | 25.17 (0.05) | |||
| Distance | [pc] | 39.87 (0.05) | 39.87 (0.05) | 39.73 (0.08) | 44.80 | 39.87 | 39.87 (0.05) | 39.73 (0.08) | ||
| Composition | He | |||||||||
| Proper motion (right ascension) | [mas/yr] | -61.31516021 (0.04) | -61.61091182 (0.1) | -61.315 (0.04) | -61.61091182 | |||||
| Proper motion (declination) | [mas/yr] | -261.0004938 (0.04) | -260.915385 (0.1) | -261.0 (0.04) | -260.915385 | |||||
| Variability | ||||||||||
| Magnetic | ||||||||||
| Bd | [MG] | |||||||||
| Infrared excess (disk) | ||||||||||
| Binarity | ||||||||||
| B magnitude | 16.71 | |||||||||
| V magnitude | 16.35 | |||||||||
| R magnitude | 16.17 | |||||||||
| I magnitude | 15.98 | |||||||||
| J magnitude | 15.91 (0.08) | 15.91 (0.08) | ||||||||
| H magnitude | 15.72 (0.1) | 15.72 (0.1) | ||||||||
| K magnitude | 15.82 (0.3) | 15.82 (0.3) | ||||||||
| u magnitude | ||||||||||
| g magnitude | ||||||||||
| r magnitude | ||||||||||
| i magnitude | ||||||||||
| z magnitude | ||||||||||
| G magnitude | 16.28 (0.003) | 16.29 | 16.28 | 16.28 (0.003) | 16.29 | |||||
| BP magnitude | 16.41 (0.003) | 16.41 | 16.41 | |||||||
| RP magnitude | 16.04 (0.004) | 16.05 | 16.05 | |||||||
| Pan g magnitude | ||||||||||
| Pan r magnitude | ||||||||||
| Pan i magnitude | ||||||||||
| Pan z magnitude | ||||||||||
| Pan y magnitude | ||||||||||
| 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.