All names: [GMS97] NGC 450 244, 2MASS J01134676+0028286, SDSS J011346.78+002828.7, Gaia DR3 2534875752341082880, TIC 388814538, WIRED J011346.77+002828.6, EPIC 220213377, Gaia EDR3 2534875752341082880, SDSS J011346.77+002828.6, HS 0111+0012, LAMOST J011346.77+002828.6, SDSS J011346.77+002828.5, SDSS J011346.76+002828.5, Gaia DR2 2534875752341082880, GALEX J011346.7+002830, WD 0111+002, FBS 0111+002, PB 6330
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Bedard et al. 2020 | Gaia DR2 | Stilism | Dreizler et al. 1996 | 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 | 01 13 46.78 (0.04) | 01 13 46.77 | 01 13 46.78 (0.06) | 01 13 46.78 | 01 13 46.78 (0.04) | 01 13 46.77 | 01 13 45.89 | 01 13 46.78 | ||||||
| Declination | 00 28 28.54 (0.03) | 00 28 28.62 | 00 28 28.54 (0.04) | 00 28 28.54 | 00 28 28.64 (0.03) | 00 28 28.59 | 00 28 22.44 | 00 28 28.70 | ||||||
| Spectral type | DOZ | DOZ | DO | DO | DO | DOZ.8 | DO | DO | ||||||
| Effective temperature | [K] | 67057.0 (637) | 65000.0 | 58270.0 (5408) | 100000.0 (794) | 100000.0 (794) | ||||||||
| log(g) | [cgs] | 8.02 (0.06) | 7.80 | 7.68 (0.03) | 5.00 (0.002) | 5.00 (0.004) | ||||||||
| Mass | [M☉] | 0.69 (0.03) | 0.58 | 0.527 (0.02) | ||||||||||
| log(Luminosity) | [L☉] | 0.51 (0.04) | ||||||||||||
| Cooling age | [Gyr] | 0.0010 (0.0001) | ||||||||||||
| log(H/He) | ||||||||||||||
| log(C/He) | -3 | |||||||||||||
| 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] | 4.28 (0.05) | 4.30 (0.07) | 4.28 | 4.28 (0.05) | |||||||||
| Distance | [pc] | 233.55 (3) | 232.31 (4) | 233.55 | 233.55 (3) | |||||||||
| Composition | He | |||||||||||||
| Proper motion (right ascension) | [mas/yr] | 2.995484912 (0.06) | 2.789250939 (0.2) | 2.995 (0.06) | 0.1 | |||||||||
| Proper motion (declination) | [mas/yr] | -6.617761746 (0.04) | -6.687933079 (0.08) | -6.618 (0.04) | -3.6 | |||||||||
| Variability | ||||||||||||||
| Magnetic | ||||||||||||||
| Bd | [MG] | |||||||||||||
| Infrared excess (disk) | ||||||||||||||
| Binarity | ||||||||||||||
| B magnitude | 15.04 (0.04) | |||||||||||||
| V magnitude | 15.24 (0.06) | |||||||||||||
| R magnitude | 15.63 (0.2) | |||||||||||||
| I magnitude | ||||||||||||||
| J magnitude | 16.06 (0.09) | |||||||||||||
| H magnitude | 15.89 (0.2) | |||||||||||||
| K magnitude | 15.75 (0.2) | |||||||||||||
| u magnitude | 14.51 (0.005) | 14.51 (0.005) | 14.53 (0.02) | 14.52 | 14.49 (0.02) | |||||||||
| g magnitude | 14.96 (0.004) | 15.03 (0.02) | 15.02 (0.03) | 15.02 | 15.00 (0.03) | |||||||||
| r magnitude | 15.49 (0.005) | 15.53 (0.02) | 15.50 (0.01) | 15.50 | 15.49 (0.01) | |||||||||
| i magnitude | 15.86 (0.005) | 15.97 (0.08) | 15.86 (0.02) | 15.86 | 15.85 (0.02) | |||||||||
| z magnitude | 16.20 (0.007) | 16.20 (0.007) | 16.22 (0.01) | 16.21 | 16.20 (0.02) | |||||||||
| G magnitude | 15.22 (0.003) | 15.23 | 15.22 | 15.22 (0.003) | ||||||||||
| BP magnitude | 15.05 (0.003) | 14.98 | ||||||||||||
| RP magnitude | 15.55 (0.002) | 15.55 | ||||||||||||
| Pan g magnitude | 15.04 (0.006) | |||||||||||||
| Pan r magnitude | 15.51 (0.004) | |||||||||||||
| Pan i magnitude | 15.90 (0.003) | |||||||||||||
| Pan z magnitude | 16.18 (0.003) | |||||||||||||
| Pan y magnitude | 16.39 (0.007) | |||||||||||||
| E(B-V) | 0.019 | |||||||||||||
* 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.