All names: WD 1051+556, Gaia DR2 850037352876685568, J1054+5523, Gaia EDR3 850037352876685568, Gaia DR3 850037352876685568, LAMOST J105449.66+552307.8, WDJ105449.77+552307.94, SDSS J105449.73+552307.9, USNO-B1.0 1453-00206174, SBSS 1051+556, SDSS J105449.74+552307.9, SDSS J105449.61+552307.8
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Jewett et al. 2024 | MWDD H | MWDD HE | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 10 54 49.60 (0.04) | 10 54 49.74 | 10 54 49.60 (0.06) | 10 54 49.60 | 10 54 49.77 (0.04) | 10 54 49.60 | 10 54 49.66 | |||||||
| Declination | 55 23 07.71 (0.05) | 55 23 07.92 | 55 23 07.72 (0.08) | 55 23 07.71 | 55 23 07.93 (0.05) | 55 23 07.72 | 55 23 06.00 | |||||||
| Spectral type | DAH: | DA | DA | DA: | DA | |||||||||
| Effective temperature | [K] | 18842.0 (206) | 18082.0 | 19132.0 | 18289.0 (365) | |||||||||
| log(g) | [cgs] | 8.85 | 8.82 | 8.94 | 8.82 (0.02) | |||||||||
| Mass | [M☉] | 1.133 (0.006) | 1.118 | 1.163 | 1.119 (0.01) | |||||||||
| log(Luminosity) | [L☉] | |||||||||||||
| Cooling age | [Gyr] | 0.4600 (0.02) | 0.4657 | 0.5119 | ||||||||||
| 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] | 10.50 (0.07) | 10.53 (0.09) | 10.50 | 10.50 (0.07) | 10.53 (0.09) | ||||||||
| Distance | [pc] | 95.27 (0.6) | 94.98 (0.8) | 95.27 | 95.27 (0.6) | 94.98 (0.8) | ||||||||
| Composition | H | |||||||||||||
| Proper motion (right ascension) | [mas/yr] | -90.79210597 (0.05) | -91.10989636 (0.1) | -90.792 (0.06) | -91.10989636 | |||||||||
| Proper motion (declination) | [mas/yr] | -13.82133928 (0.07) | -14.09247162 (0.2) | -13.821 (0.07) | -14.09247162 | |||||||||
| Variability | ||||||||||||||
| Magnetic | ||||||||||||||
| Bd | [MG] | |||||||||||||
| Infrared excess (disk) | ||||||||||||||
| Binarity | ||||||||||||||
| B magnitude | 17.90 | |||||||||||||
| V magnitude | ||||||||||||||
| R magnitude | 17.60 | |||||||||||||
| I magnitude | ||||||||||||||
| J magnitude | ||||||||||||||
| H magnitude | ||||||||||||||
| K magnitude | ||||||||||||||
| u magnitude | 17.14 (0.008) | 17.14 (0.008) | 17.14 (0.008) | |||||||||||
| g magnitude | 17.10 (0.004) | 17.10 (0.004) | 17.10 (0.004) | |||||||||||
| r magnitude | 17.42 (0.005) | 17.42 (0.005) | 17.42 (0.005) | |||||||||||
| i magnitude | 17.68 (0.007) | 17.67 (0.007) | 17.67 (0.007) | |||||||||||
| z magnitude | 18.02 (0.02) | 18.00 (0.02) | 18.00 (0.02) | |||||||||||
| G magnitude | 17.27 (0.005) | 17.29 | 17.27 | 17.27 (0.003) | 17.29 | |||||||||
| BP magnitude | 17.21 (0.005) | 17.18 | 17.18 | |||||||||||
| RP magnitude | 17.42 (0.009) | 17.41 | 17.41 | |||||||||||
| Pan g magnitude | 17.14 (0.001) | |||||||||||||
| Pan r magnitude | 17.43 (0.003) | |||||||||||||
| Pan i magnitude | 17.73 (0.003) | |||||||||||||
| Pan z magnitude | 17.98 (0.01) | |||||||||||||
| Pan y magnitude | 18.17 (0.02) | |||||||||||||
| 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.