All names: WDJ025854.43+003040.34, Gaia DR3 74698071455360, SDSS J025854.43+003040.3, Gaia DR2 74698071455360, SDSS J025854.44+003040.3, J0258+0030, SDSS J025854.42+003040.3, SDSS J025854.42+003040.4, Gaia EDR3 74698071455360, WD 0256+003
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Caron et al. 2023 | Gaia DR2 | Stilism | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 02 58 54.35 (0.2) | 02 58 54.42 | 02 58 54.35 (0.3) | 02 58 54.43 (0.2) | 02 58 54.35 | 02 58 54.07 | |||||
| Declination | 00 30 40.58 (0.2) | 00 30 40.37 | 00 30 40.57 (0.3) | 00 30 40.34 (0.2) | 00 30 40.57 | 00 30 38.16 | |||||
| Spectral type | DA | DA | DA8.1 | DA | |||||||
| Effective temperature | [K] | 6193.0 (39) | |||||||||
| log(g) | [cgs] | 8.50 (0.03) | |||||||||
| Mass | [M☉] | 0.914 (0.02) | |||||||||
| log(Luminosity) | [L☉] | ||||||||||
| Cooling age | [Gyr] | 5.3000 | |||||||||
| 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] | 14.86 (0.2) | 14.50 (0.4) | 14.50 (0.4) | 14.86 (0.2) | 14.50 (0.4) | |||||
| Distance | [pc] | 67.28 (1) | 68.97 (2) | 68.96 (2) | 67.28 (1) | 68.96 (2) | |||||
| Composition | H | ||||||||||
| Proper motion (right ascension) | [mas/yr] | -77.83268267 (0.2) | -78.5265608 (0.5) | -77.833 (0.2) | -78.5265608 | ||||||
| Proper motion (declination) | [mas/yr] | 15.26502134 (0.2) | 15.01208487 (0.5) | 15.265 (0.2) | 15.01208487 | ||||||
| Variability | |||||||||||
| Magnetic | |||||||||||
| Bd | [MG] | ||||||||||
| Infrared excess (disk) | |||||||||||
| Binarity | |||||||||||
| B magnitude | |||||||||||
| V magnitude | |||||||||||
| R magnitude | |||||||||||
| I magnitude | |||||||||||
| J magnitude | 0.01 (18) | ||||||||||
| H magnitude | 0.04 (18) | ||||||||||
| K magnitude | 0.08 (18) | ||||||||||
| u magnitude | 19.96 (0.03) | 0.37 (20) | 19.97 (0.03) | 19.96 (0.03) | 19.57 | ||||||
| g magnitude | 19.16 (0.01) | 19.16 (0.01) | 19.17 (0.01) | 18.84 | |||||||
| r magnitude | 18.83 (0.01) | 18.83 (0.01) | 18.83 (0.01) | 18.57 | |||||||
| i magnitude | 18.71 (0.01) | 18.71 (0.01) | 18.69 (0.01) | 18.51 | |||||||
| z magnitude | 18.70 (0.03) | 18.71 (0.03) | 18.66 (0.04) | 18.58 | |||||||
| G magnitude | 18.84 (0.04) | 18.87 | 18.84 (0.004) | 18.87 | |||||||
| BP magnitude | 19.20 (0.04) | 19.12 | 19.12 | ||||||||
| RP magnitude | 18.47 (0.06) | 18.36 | 18.36 | ||||||||
| Pan g magnitude | 19.11 (0.006) | 0.04 (19) | |||||||||
| Pan r magnitude | 18.84 (0.007) | 0.01 (19) | |||||||||
| Pan i magnitude | 18.74 (0.006) | 0.01 (19) | |||||||||
| Pan z magnitude | 18.73 (0.02) | 0.01 (19) | |||||||||
| Pan y magnitude | 18.75 (0.02) | 0.02 (19) | |||||||||
| E(B-V) | 0.001 | ||||||||||
* 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.