All names: 04032+2520W, PM J04032+2520W, GALEX J040316.4+252016, WDJ040316.35+252016.80, Gaia DR2 66349346281437952, Gaia DR3 66349346281437952, Gaia EDR3 66349346281437952, UCAC4 577-010076
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | MWDD H | MWDD HE | Gaia DR2 | Stilism | Limoges et al. 2015 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 04 03 16.30 (0.04) | 04 03 16.30 (0.08) | 04 03 16.30 | 04 03 16.35 (0.04) | 04 03 16.30 | ||||||
| Declination | 25 20 16.33 (0.03) | 25 20 16.34 (0.04) | 25 20 16.33 | 25 20 16.80 (0.03) | 25 20 16.34 | ||||||
| Spectral type | DA | DA | DA | ||||||||
| Effective temperature | [K] | 20186.0 | 24910.0 | 22770.0 (441) | 22172.0 (497) | ||||||
| log(g) | [cgs] | 7.96 | 8.18 | 8.06 (0.06) | 8.03 (0.02) | ||||||
| Mass | [M☉] | 0.601 | 0.714 | 0.67 (0.04) | 0.647 (0.01) | ||||||
| log(Luminosity) | [L☉] | -1.42 | |||||||||
| Cooling age | [Gyr] | 0.0593 | 0.0400 | ||||||||
| 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] | 10.41 (0.05) | 10.62 (0.09) | 10.41 | 10.41 (0.05) | 10.62 (0.09) | |||||
| Distance | [pc] | 96.06 (0.4) | 94.14 (0.8) | 101.90 (3) | 96.06 | 96.06 (0.4) | 94.14 (0.8) | ||||
| Composition | H | ||||||||||
| Proper motion (right ascension) | [mas/yr] | -38.195 (0.06) | -38.186 (0.1) | -38.195 (0.06) | -38.18647381 | ||||||
| Proper motion (declination) | [mas/yr] | -29.721 (0.03) | -29.691 (0.09) | -29.721 (0.03) | -29.69121841 | ||||||
| Variability | |||||||||||
| Magnetic | |||||||||||
| Bd | [MG] | ||||||||||
| Infrared excess (disk) | |||||||||||
| Binarity | |||||||||||
| B magnitude | |||||||||||
| V magnitude | |||||||||||
| R magnitude | 16.02 (0.1) | ||||||||||
| I magnitude | |||||||||||
| J magnitude | 12.36 | ||||||||||
| H magnitude | 11.77 | ||||||||||
| K magnitude | 11.51 | ||||||||||
| u magnitude | |||||||||||
| g magnitude | |||||||||||
| r magnitude | |||||||||||
| i magnitude | |||||||||||
| z magnitude | |||||||||||
| G magnitude | 15.58 (0.003) | 15.60 | 15.58 | 15.58 (0.003) | 15.60 | ||||||
| BP magnitude | 15.48 (0.004) | 15.45 | 15.45 | ||||||||
| RP magnitude | 15.76 (0.006) | 15.76 | 15.76 | ||||||||
| Pan g magnitude | 15.41 (0.004) | ||||||||||
| Pan r magnitude | 15.75 (0.0001) | ||||||||||
| Pan i magnitude | 16.10 (0.002) | ||||||||||
| Pan z magnitude | 16.37 (0.003) | ||||||||||
| Pan y magnitude | 16.50 (0.006) | ||||||||||
| E(B-V) | 0.010 | ||||||||||
* 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.