All names: SBSS 1251+585, LAMOST J125400.29+581948.3, GALEX J125400.2+581948, SBSS 1251+586, Gaia DR2 1577353956664920064, SDSS J125400.29+581948.1, Gaia EDR3 1577353956664920064, SDSS J125400.29+581948.0, SDSS J125400.30+581948.1, Gaia DR3 1577353956664920064, SDSS J125400.28+581948.0, WD 1251+586, SDSS J125400.30+581948.15
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Bedard et al. 2020 | Gaia DR2 | Stilism | Kepler et al. 2016 | Guo et al. 2015 | Vincent et al. 2024 | Simbad | White Dwarf Catalog (McCook & Sion 1999) | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 12 54 00.32 (0.08) | 12 54 00.29 | 12 54 00.32 (0.1) | 12 54 00.32 | 12 54 00.29 (0.08) | 12 53 59.83 | |||||||
| Declination | 58 19 48.16 (0.08) | 58 19 48.08 | 58 19 48.16 (0.09) | 58 19 48.16 | 58 19 48.04 (0.08) | 58 19 44.76 | |||||||
| Spectral type | DA | DA | DA | DA | DA | DA | DA | ||||||
| Effective temperature | [K] | 35727.0 (301) | 35890.0 (239) | 41938.0 (6294) | |||||||||
| log(g) | [cgs] | 7.79 (0.05) | 7.78 (0.03) | 7.96 (0.1) | |||||||||
| Mass | [M☉] | 0.55 (0.02) | 0.557 (0.01) | 0.647 (0.07) | |||||||||
| log(Luminosity) | [L☉] | -0.44 (0.03) | |||||||||||
| Cooling age | [Gyr] | 0.0051 (0.0001) | |||||||||||
| 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] | 2.04 (0.1) | 1.93 (0.1) | 2.04 | 2.04 (0.1) | ||||||||
| Distance | [pc] | 491.11 (24) | 518.35 (35) | 491.11 | 491.11 (24) | ||||||||
| Composition | H | ||||||||||||
| Proper motion (right ascension) | [mas/yr] | 18.59785642 (0.1) | 18.64288701 (0.2) | 18.598 (0.1) | |||||||||
| Proper motion (declination) | [mas/yr] | 7.612555284 (0.1) | 7.4900405 (0.2) | 7.613 (0.1) | |||||||||
| Variability | |||||||||||||
| Magnetic | |||||||||||||
| Bd | [MG] | ||||||||||||
| Infrared excess (disk) | |||||||||||||
| Binarity | |||||||||||||
| B magnitude | 18.00 | ||||||||||||
| V magnitude | |||||||||||||
| R magnitude | |||||||||||||
| I magnitude | |||||||||||||
| J magnitude | |||||||||||||
| H magnitude | |||||||||||||
| K magnitude | |||||||||||||
| u magnitude | 17.24 (0.009) | 17.25 (0.02) | 17.24 (0.009) | ||||||||||
| g magnitude | 17.55 (0.005) | 17.59 (0.02) | 17.55 (0.005) | ||||||||||
| r magnitude | 18.06 (0.007) | 18.06 (0.03) | 18.06 (0.007) | ||||||||||
| i magnitude | 18.43 (0.01) | 18.43 (0.09) | 18.43 (0.01) | ||||||||||
| z magnitude | 18.83 (0.03) | 18.82 (0.04) | 18.83 (0.03) | ||||||||||
| G magnitude | 17.81 (0.01) | 17.84 | 17.81 | 17.81 (0.003) | |||||||||
| BP magnitude | 17.68 (0.01) | 17.60 | |||||||||||
| RP magnitude | 18.11 (0.03) | 18.11 | |||||||||||
| Pan g magnitude | 17.63 (0.009) | ||||||||||||
| Pan r magnitude | 18.05 (0.008) | ||||||||||||
| Pan i magnitude | 18.44 (0.007) | ||||||||||||
| Pan z magnitude | 18.73 (0.01) | ||||||||||||
| Pan y magnitude | 18.92 (0.05) | ||||||||||||
| E(B-V) | 0.018 | ||||||||||||
* 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.