All names: 00331+4742S, WDJ003310.51+474212.39, PM J00331+4742S, 2MASS J00331052+4742124, GALEX J003310.4+474214, Gaia DR3 390812925536899584, TIC 191148323, Gaia EDR3 390812925536899584, WD 0030+474, Gaia DR2 390812925536899584
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Gaia DR2 | Stilism | Limoges et al. 2015 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 00 33 10.42 (0.03) | 00 33 10.42 (0.04) | 00 33 10.42 | 00 33 10.51 (0.03) | 00 33 10.42 | 00 33 09.86 | ||||
| Declination | 47 42 13.06 (0.02) | 47 42 13.03 (0.03) | 47 42 13.06 | 47 42 12.39 (0.02) | 47 42 13.03 | 47 42 08.28 | ||||
| Spectral type | DA | DA | DA | DA | ||||||
| Effective temperature | [K] | 16580.0 (265) | 16045.0 (136) | |||||||
| log(g) | [cgs] | 8.02 (0.05) | 7.94 (0.008) | |||||||
| Mass | [M☉] | 0.63 (0.03) | 0.584 (0.006) | |||||||
| log(Luminosity) | [L☉] | -1.95 | ||||||||
| 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] | 18.17 (0.03) | 18.22 (0.06) | 18.17 | 18.17 (0.03) | 18.22 (0.06) | ||||
| Distance | [pc] | 55.03 (0.1) | 54.87 (0.2) | 55.00 (2) | 55.03 | 55.03 (0.1) | 54.87 (0.2) | |||
| Composition | H | |||||||||
| Proper motion (right ascension) | [mas/yr] | -62.3371662 (0.03) | -62.30967837 (0.07) | -62.337 (0.03) | -62.30967837 | |||||
| Proper motion (declination) | [mas/yr] | 41.26756653 (0.02) | 41.3877578 (0.05) | 41.268 (0.02) | 41.3877578 | |||||
| Variability | ||||||||||
| Magnetic | ||||||||||
| Bd | [MG] | |||||||||
| Infrared excess (disk) | ||||||||||
| Binarity | ||||||||||
| B magnitude | ||||||||||
| V magnitude | 14.75 | |||||||||
| R magnitude | ||||||||||
| I magnitude | ||||||||||
| J magnitude | 15.16 | 15.16 (0.04) | ||||||||
| H magnitude | 15.02 | 15.02 (0.08) | ||||||||
| K magnitude | 15.14 | 15.14 (0.1) | ||||||||
| u magnitude | ||||||||||
| g magnitude | ||||||||||
| r magnitude | ||||||||||
| i magnitude | ||||||||||
| z magnitude | ||||||||||
| G magnitude | 14.81 (0.001) | 14.83 | 14.81 | 14.81 (0.003) | 14.83 | |||||
| BP magnitude | 14.76 (0.001) | 14.74 | 14.74 | |||||||
| RP magnitude | 14.94 (0.002) | 14.94 | 14.94 | |||||||
| Pan g magnitude | 14.69 (0.004) | |||||||||
| Pan r magnitude | 14.98 (0.004) | |||||||||
| Pan i magnitude | 15.26 (0.001) | |||||||||
| Pan z magnitude | 15.50 (0.003) | |||||||||
| Pan y magnitude | 15.63 (0.003) | |||||||||
| E(B-V) | 0.003 | |||||||||
* 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.