All names: Gaia DR3 855387061061127168, J1047+5912, WD 1044+594, SDSS J104735.01+591248.9, LSPM J1047+5912, SDSS J104735.00+591248.8, Gaia DR2 855387061061127168, LP 93-38, GALEX J104735.0+591247, SDSS J104734.95+591246.5, PSO J161.8956+59.2131, SDSS J104735.01+591248.8, USNO-B1.0 1492-00195084, NLTT 25339, SDSS J104735.01+591249.0, Gaia EDR3 855387061061127168
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Kilic et al. 2025 | Caron et al. 2023 | Coutu et al. 2019 | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | Eisenstein et al. 2006 | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 10 47 34.91 (0.06) | 10 47 35.01 | 10 47 35.02 | 10 47 34.91 (0.08) | 10 47 34.91 | 10 47 35.02 (0.06) | 10 47 35.02 | 10 47 34.51 | 10 47 35.01 | ||||||
| Declination | 59 12 46.23 (0.06) | 59 12 48.81 | 59 12 49.16 | 59 12 46.32 (0.09) | 59 12 46.23 | 59 12 49.16 (0.06) | 59 12 48.97 | 59 12 45.72 | 59 12 48.97 | ||||||
| Spectral type | DQ | DQ | DQ | DQ | DQ | DQ: | DQ: | DQ | DQ | ||||||
| Effective temperature | [K] | 8378.0 (42) | 8512.0 (36) | 8201.0 (192) | 8289.0 (93) | 10149.0 (82) | 10147.0 (80) | ||||||||
| log(g) | [cgs] | 7.89 (0.01) | 7.91 (0.02) | 7.82 | 7.88 (0.02) | 8.57 (0.3) | 9.67 (0.3) | ||||||||
| Mass | [M☉] | 0.515 (0.01) | 0.525 (0.01) | 0.4753 | 0.51 (0.02) | ||||||||||
| log(Luminosity) | [L☉] | ||||||||||||||
| Cooling age | [Gyr] | 0.8800 | 0.8270 | ||||||||||||
| log(H/He) | |||||||||||||||
| log(C/He) | -5.28 | -5.17 | -5.395 (0.08) | ||||||||||||
| 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] | 10.04 (0.09) | 9.87 (0.1) | 9.87 | 9.87 (0.1) | 10.04 | 10.04 (0.09) | ||||||||
| Distance | [pc] | 99.62 (0.9) | 101.32 (1) | 101.32 (1) | 101.32 (1) | 99.62 | 99.62 (0.9) | ||||||||
| Composition | He | He | He | ||||||||||||
| Proper motion (right ascension) | [mas/yr] | -52.0369717 (0.07) | -52.12761594 (0.1) | -52.037 (0.07) | -43.1 | ||||||||||
| Proper motion (declination) | [mas/yr] | -183.1199593 (0.08) | -183.1877411 (0.2) | -183.12 (0.08) | -191.8 | ||||||||||
| Variability | |||||||||||||||
| Magnetic | |||||||||||||||
| Bd | [MG] | ||||||||||||||
| Infrared excess (disk) | |||||||||||||||
| Binarity | |||||||||||||||
| B magnitude | 17.60 | ||||||||||||||
| V magnitude | |||||||||||||||
| R magnitude | 17.80 | ||||||||||||||
| I magnitude | |||||||||||||||
| J magnitude | 17.64 (0.01) | ||||||||||||||
| H magnitude | |||||||||||||||
| K magnitude | 17.60 (0.02) | ||||||||||||||
| u magnitude | 18.05 (0.01) | 18.01 (0.01) | 18.05 (0.01) | 17.99 (0.02) | 17.80 | 18.01 (0.02) | |||||||||
| g magnitude | 17.81 (0.005) | 17.81 (0.005) | 17.81 (0.04) | 17.80 | 17.82 (0.04) | ||||||||||
| r magnitude | 17.83 (0.006) | 17.83 (0.006) | 17.85 (0.01) | 17.85 (0.01) | |||||||||||
| i magnitude | 17.93 (0.007) | 17.93 (0.007) | 17.91 (0.02) | 17.92 (0.02) | |||||||||||
| z magnitude | 18.05 (0.02) | 18.05 (0.02) | 18.09 (0.03) | 18.12 (0.03) | |||||||||||
| G magnitude | 17.76 (0.009) | 17.79 | 17.76 | 17.76 (0.003) | |||||||||||
| BP magnitude | 17.83 (0.009) | 17.82 | |||||||||||||
| RP magnitude | 17.64 (0.01) | 17.62 | |||||||||||||
| Pan g magnitude | 17.81 (0.004) | 17.81 (0.003) | |||||||||||||
| Pan r magnitude | 17.83 (0.002) | 17.83 (0.002) | |||||||||||||
| Pan i magnitude | 17.95 (0.005) | 17.95 (0.004) | |||||||||||||
| Pan z magnitude | 18.09 (0.01) | 18.09 (0.009) | |||||||||||||
| Pan y magnitude | 18.17 (0.02) | 18.17 (0.03) | |||||||||||||
| E(B-V) | 0.008 | ||||||||||||||
* 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.