All names: EQ J0112+1835, GALEX J011210.2+183503, Gaia EDR3 2786627626922933248, SDSS J011210.25+183503.84, SDSS J011210.25+183503.8, SDSS J011210.25+183503.7, J0112+1835, Gaia DR2 2786627626922933248, Gaia DR3 2786627626922933248, USNO-A2.0 1050-00331322
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | SDSS DR10 | Gaia DR2 | Stilism | Kepler et al. 2015 | Gianninas et al. 2014 | Simbad |
|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 01 12 10.26 (0.1) | 01 12 10.25 | 01 12 10.25 | 01 12 10.26 (0.2) | 01 12 10.25 (0.1) | |||||
| Declination | 18 35 03.50 (0.07) | 18 35 03.77 | 18 35 03.77 | 18 35 03.51 (0.1) | 18 35 03.83 (0.07) | |||||
| Spectral type | DA_known | DA | DA | |||||||
| Effective temperature | [K] | 9595.0 (13) | 10020.0 (140) | |||||||
| log(g) | [cgs] | 5.48 (0.03) | 5.76 (0.05) | |||||||
| Mass | [M☉] | 0.157 (0.05) | 0.161 | |||||||
| log(Luminosity) | [L☉] | |||||||||
| Cooling age | [Gyr] | 1.6610 (0.2) | ||||||||
| log(H/He) | ||||||||||
| log(C/He) | ||||||||||
| log(Ca/He) | ||||||||||
| log(Ca/H) | -7.33 | |||||||||
| 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] | 1.32 (0.1) | 1.18 (0.2) | 1.32 (0.1) | ||||||
| Distance | [pc] | 756.78 (65) | 845.19 (139) | 697.00 (100) | 756.77 (65) | |||||
| Composition | H | |||||||||
| Proper motion (right ascension) | [mas/yr] | 8.872274073 (0.1) | 10.59201285 (0.6) | 8.872 (0.1) | ||||||
| Proper motion (declination) | [mas/yr] | -20.2149229 (0.08) | -20.48561682 (0.3) | -20.215 (0.08) | ||||||
| Variability | ||||||||||
| Magnetic | ||||||||||
| Bd | [MG] | |||||||||
| Infrared excess (disk) | ||||||||||
| Binarity | WDMS | |||||||||
| B magnitude | 17.00 (0.3) | |||||||||
| V magnitude | ||||||||||
| R magnitude | 17.50 (0.3) | |||||||||
| I magnitude | ||||||||||
| J magnitude | ||||||||||
| H magnitude | ||||||||||
| K magnitude | ||||||||||
| u magnitude | 18.26 (0.01) | 18.26 (0.01) | 18.28 (0.02) | 18.26 (0.01) | ||||||
| g magnitude | 17.31 (0.005) | 17.31 (0.005) | 17.31 (0.02) | 17.31 (0.005) | ||||||
| r magnitude | 17.43 (0.005) | 17.43 (0.005) | 17.43 (0.01) | 17.43 (0.005) | ||||||
| i magnitude | 17.56 (0.006) | 17.56 (0.006) | 17.57 (0.01) | 17.56 (0.006) | ||||||
| z magnitude | 17.73 (0.02) | 17.73 (0.02) | 17.73 (0.02) | 17.73 (0.02) | ||||||
| G magnitude | 17.35 (0.007) | 17.38 | 17.35 (0.003) | |||||||
| BP magnitude | 17.42 (0.007) | 17.43 | ||||||||
| RP magnitude | 17.27 (0.01) | 17.26 | ||||||||
| Pan g magnitude | 17.31 (0.004) | |||||||||
| Pan r magnitude | 17.44 (0.004) | |||||||||
| Pan i magnitude | 17.58 (0.005) | |||||||||
| Pan z magnitude | 17.72 (0.005) | |||||||||
| Pan y magnitude | 17.75 (0.02) | |||||||||
| E(B-V) | 0.067 | |||||||||
* 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.