All names: WD 0102-579, WDS J01043-5741B, Gaia DR2 4904412336280853248, SCR J0104-5742, Gaia DR3 4904412336280853248, ** SUB 1B, TIC 206502140, 2MASS J01041212-5742485, Gaia EDR3 4904412336280853248, GALEX J010412.2-574248, WDJ010412.12-574248.44, SCR 0104-5742
| Parameter | Unit | Gaia EDR3 | Gaia DR2 | Stilism | Subasavage et al. 2008 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 01 04 12.59 (0.08) | 01 04 12.58 (0.07) | 01 04 12.14 | 01 04 12.59 | 01 04 12.12 (0.08) | 01 04 12.58 | 01 04 11.83 | ||
| Declination | -57 42 48.52 (0.08) | -57 42 48.51 (0.06) | -57 42 48.60 | -57 42 48.52 | -57 42 48.43 (0.08) | -57 42 48.51 | -57 42 43.20 | ||
| Spectral type | DA6.5 | DA | DA6.5 | DA6.5 | |||||
| Effective temperature | [K] | 7866.0 (375) | 8104.0 (44) | ||||||
| log(g) | [cgs] | 7.52 (0.01) | |||||||
| Mass | [M☉] | 0.356 (0.007) | |||||||
| log(Luminosity) | [L☉] | ||||||||
| Cooling age | [Gyr] | ||||||||
| 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] | 15.68 (0.09) | 15.74 (0.08) | 15.68 | 15.68 (0.09) | 15.74 (0.08) | 22.50 | ||
| Distance | [pc] | 63.76 (0.4) | 63.55 (0.3) | 44.40 | 63.76 | 63.76 (0.4) | 63.55 (0.3) | 44.44 | |
| Composition | H | ||||||||
| Proper motion (right ascension) | [mas/yr] | 236.2957027 (0.1) | 237.0147201 (0.1) | 236.296 (0.1) | 237.0147201 | ||||
| Proper motion (declination) | [mas/yr] | -5.539429903 (0.1) | -4.868957473 (0.1) | -5.539 (0.1) | -4.868957473 | ||||
| Variability | |||||||||
| Magnetic | |||||||||
| Bd | [MG] | ||||||||
| Infrared excess (disk) | |||||||||
| Binarity | |||||||||
| B magnitude | 16.20 | ||||||||
| V magnitude | |||||||||
| R magnitude | 15.90 | ||||||||
| I magnitude | 15.79 | ||||||||
| J magnitude | 15.67 (0.07) | 15.67 (0.07) | |||||||
| H magnitude | 15.57 (0.2) | 15.57 (0.2) | |||||||
| K magnitude | 15.76 (0) | ||||||||
| u magnitude | |||||||||
| g magnitude | |||||||||
| r magnitude | |||||||||
| i magnitude | |||||||||
| z magnitude | |||||||||
| G magnitude | 16.31 (0.003) | 16.31 | 16.31 | 16.31 (0.003) | 16.31 | ||||
| BP magnitude | 16.41 (0.003) | 16.40 | 16.40 | ||||||
| RP magnitude | 16.05 (0.003) | 16.06 | 16.06 | ||||||
| Pan g magnitude | |||||||||
| Pan r magnitude | |||||||||
| Pan i magnitude | |||||||||
| Pan z magnitude | |||||||||
| Pan y magnitude | |||||||||
| E(B-V) | 0.002 | ||||||||
* 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.