All names: 2MASS J00414750+7321145, Gaia DR2 536979286914485760, USNO-B1.0 1633-00010298, NLTT 2228, J0041+7321, WDJ004147.46+732114.65, WD 0038+730, G 242-63, Gaia EDR3 536979286914485760, LP 29-15, EGGR 383, LSPM J0041+7321, TIC 275139100, Gaia DR3 536979286914485760, LHS 6011, WD 0038+73
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Caron et al. 2023 | Coutu et al. 2019 | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 00 41 48.76 (0.03) | 00 41 47.46 | 00 41 48.71 (0.04) | 00 41 48.76 | 00 41 47.46 (0.03) | 00 41 48.71 | 00 41 43.34 | ||||
| Declination | 73 21 18.70 (0.03) | 73 21 14.65 | 73 21 18.57 (0.04) | 73 21 18.70 | 73 21 14.65 (0.03) | 73 21 18.57 | 73 21 14.76 | ||||
| Spectral type | DQ | DQ | DC | DQ5 | DQ5 | ||||||
| Effective temperature | [K] | 9447.0 (36) | 9433.0 (349) | 10114.0 (88) | |||||||
| log(g) | [cgs] | 7.85 (0.006) | 7.84 | 8.06 (0.01) | |||||||
| Mass | [M☉] | 0.494 (0.005) | 0.4915 | 0.615 (0.01) | |||||||
| log(Luminosity) | [L☉] | ||||||||||
| Cooling age | [Gyr] | 0.6200 | 0.5950 | ||||||||
| log(H/He) | |||||||||||
| log(C/He) | -4.43 | -4.3791 (0.1) | |||||||||
| log(Ca/He) | |||||||||||
| log(Ca/H) | |||||||||||
| log(N/He) | |||||||||||
| log(O/He) | |||||||||||
| log(Na/He) | |||||||||||
| log(Mg/He) | |||||||||||
| log(Al/He) | |||||||||||
| log(Si/He) | |||||||||||
| log(P/He) | |||||||||||
| log(S/He) | |||||||||||
| log(Cl/He) | |||||||||||
| log(Sc/He) | |||||||||||
| log(Ti/He) | |||||||||||
| log(V/He) | |||||||||||
| log(Cr/He) | |||||||||||
| log(Mn/He) | |||||||||||
| log(Fe/He) | |||||||||||
| log(Co/He) | |||||||||||
| log(Ni/He) | |||||||||||
| log(Cu/He) | |||||||||||
| log(Zn/He) | |||||||||||
| log(Ga/He) | |||||||||||
| log(Ge/He) | |||||||||||
| log(Sr/He) | |||||||||||
| Parallax | [mas] | 17.88 (0.03) | 17.93 (0.05) | 17.93 | 17.93 (0.05) | 17.88 | 17.88 (0.03) | 17.93 (0.05) | |||
| Distance | [pc] | 55.94 (0.1) | 55.77 (0.2) | 55.77 (0.1) | 55.77 (0.1) | 55.94 | 55.94 (0.1) | 55.77 (0.1) | |||
| Composition | He | He | |||||||||
| Proper motion (right ascension) | [mas/yr] | 348.201 (0.03) | 348.1180863 (0.07) | 348.201 (0.03) | 348.1180863 | ||||||
| Proper motion (declination) | [mas/yr] | 253.025 (0.04) | 253.1190645 (0.07) | 253.025 (0.04) | 253.1190645 | ||||||
| Variability | |||||||||||
| Magnetic | |||||||||||
| Bd | [MG] | ||||||||||
| Infrared excess (disk) | |||||||||||
| Binarity | |||||||||||
| B magnitude | 16.10 | ||||||||||
| V magnitude | |||||||||||
| R magnitude | 16.10 | ||||||||||
| I magnitude | |||||||||||
| J magnitude | 16.13 (0.09) | 16.13 (0.09) | |||||||||
| H magnitude | 16.22 (0.2) | 16.22 (0.2) | |||||||||
| K magnitude | |||||||||||
| u magnitude | |||||||||||
| g magnitude | |||||||||||
| r magnitude | |||||||||||
| i magnitude | |||||||||||
| z magnitude | |||||||||||
| G magnitude | 16.09 (0.003) | 16.11 | 16.09 | 16.09 (0.003) | 16.11 | ||||||
| BP magnitude | 16.11 (0.003) | 16.09 | 16.09 | ||||||||
| RP magnitude | 16.04 (0.005) | 16.04 | 16.04 | ||||||||
| Pan g magnitude | 16.12 (0.002) | 16.12 (0.002) | |||||||||
| Pan r magnitude | 16.20 (0.007) | 16.21 (0.007) | |||||||||
| Pan i magnitude | 16.38 (0.004) | 16.37 (0.002) | |||||||||
| Pan z magnitude | 16.53 (0.005) | 16.54 (0.005) | |||||||||
| Pan y magnitude | 16.63 (0.007) | 16.65 (0.02) | |||||||||
| 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.