All names: 2MASS J04262359+4820097, PM J04263+4820, Gaia DR3 258083214726210944, Gaia EDR3 258083214726210944, LAMOST J042623.63+482008.6, Gaia DR2 258083214726210944, TIC 470489828, WD 0422+482, GALEX J042623.6+482008, 04263+4820
| Parameter | Unit | Gaia EDR3 | Gaia DR2 | Stilism | Limoges et al. 2015 | Vincent et al. 2024 | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|
| Right ascension | 04 26 23.65 (0.04) | 04 26 23.65 (0.05) | 04 26 23.65 | 04 26 23.59 (0.04) | 04 26 23.26 | |||
| Declination | 48 20 07.88 (0.02) | 48 20 07.94 (0.03) | 48 20 07.88 | 48 20 09.86 (0.02) | 48 20 09.24 | |||
| Spectral type | DA+DC | DA: | DA+DC | DA | ||||
| Effective temperature | [K] | 4240.0 (325) | ||||||
| log(g) | [cgs] | 8.00 (0) | ||||||
| Mass | [M☉] | 0.58 (0.1) | ||||||
| log(Luminosity) | [L☉] | -4.34 | ||||||
| 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] | 7.29 (0.05) | 7.30 (0.07) | 7.29 | 7.29 (0.05) | |||
| Distance | [pc] | 137.14 (0.9) | 137.04 (1) | 29.00 (5) | 137.14 | 137.14 (0.9) | ||
| Composition | H | |||||||
| Proper motion (right ascension) | [mas/yr] | 37.45833317 (0.05) | 37.54 (0.09) | 37.458 (0.05) | ||||
| Proper motion (declination) | [mas/yr] | -123.256174 (0.03) | -123.155 (0.05) | -123.256 (0.03) | ||||
| Variability | ||||||||
| Magnetic | ||||||||
| Bd | [MG] | |||||||
| Infrared excess (disk) | ||||||||
| Binarity | ||||||||
| B magnitude | ||||||||
| V magnitude | ||||||||
| R magnitude | ||||||||
| I magnitude | ||||||||
| J magnitude | 15.64 | 15.64 (0.07) | ||||||
| H magnitude | 15.65 | 15.65 (0.1) | ||||||
| K magnitude | 15.30 | |||||||
| u magnitude | ||||||||
| g magnitude | ||||||||
| r magnitude | ||||||||
| i magnitude | ||||||||
| z magnitude | ||||||||
| G magnitude | 15.97 (0.003) | 15.99 | 15.97 | 15.97 (0.003) | ||||
| BP magnitude | 16.05 (0.003) | 16.02 | ||||||
| RP magnitude | 15.81 (0.003) | 15.81 | ||||||
| Pan g magnitude | ||||||||
| Pan r magnitude | ||||||||
| Pan i magnitude | ||||||||
| Pan z magnitude | ||||||||
| Pan y magnitude | ||||||||
| E(B-V) | 0.044 | |||||||
* 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.