All names: Gaia DR3 3831945396012718720, 2QZ J101226.1+003703, GALEX J101226.2+003702, Gaia DR2 3831945396012718720, [VV2003c] J101226.1+003703, SDSS J101226.17+003703.8, SDSS J101226.17+003703.6, USNO-B1.0 0906-00188542, SDSS J101226.17+003703.80, Gaia EDR3 3831945396012718720
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Genest-Beaulieu & Bergeron 2019 (spectroscopic) | Gaia DR2 | Stilism | Simbad | Eisenstein et al. 2006 | Kleinman et al. 2013 |
|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 10 12 26.17 (0.7) | 10 12 26.17 | 10 12 26.17 (1) | 10 12 26.18 (0.7) | 10 12 26.18 | 10 12 26.17 | ||||
| Declination | 00 37 03.37 (0.5) | 00 37 03.63 | 00 37 03.38 (0.8) | 00 37 03.65 (0.5) | 00 37 03.68 | 00 37 03.81 | ||||
| Spectral type | DB | SDB | DB | |||||||
| Effective temperature | [K] | 14413.0 | 14404.0 (510) | 13789.0 (528) | ||||||
| log(g) | [cgs] | 8.31 | 8.24 (0.4) | 8.22 (0.4) | ||||||
| Mass | [M☉] | 0.784 | 0.715 (0.2) | |||||||
| log(Luminosity) | [L☉] | |||||||||
| Cooling age | [Gyr] | |||||||||
| log(H/He) | -5.387 | |||||||||
| log(C/He) | ||||||||||
| log(Ca/He) | ||||||||||
| log(Ca/H) | ||||||||||
| Parallax | [mas] | 0.29 (0.7) | 0.51 (1) | 0.29 (0.7) | ||||||
| Distance | [pc] | 3471.21 (8546) | 1975.91 (5197) | 3471.02 (8546) | ||||||
| Composition | ||||||||||
| Proper motion (right ascension) | [mas/yr] | -0.313858592 (0.7) | 1.72704211 (2) | -0.314 (0.7) | -1.8 | |||||
| Proper motion (declination) | [mas/yr] | -16.90406101 (0.6) | -18.36625103 (1) | -16.904 (0.6) | -13.6 | |||||
| Variability | ||||||||||
| Magnetic | ||||||||||
| Bd | [MG] | |||||||||
| Infrared excess (disk) | ||||||||||
| Binarity | ||||||||||
| B magnitude | 20.30 | |||||||||
| V magnitude | ||||||||||
| R magnitude | 19.50 | |||||||||
| I magnitude | ||||||||||
| J magnitude | ||||||||||
| H magnitude | ||||||||||
| K magnitude | ||||||||||
| u magnitude | 20.35 (0.05) | 20.26 (0.06) | 20.24 (0.05) | 20.26 (0.05) | ||||||
| g magnitude | 20.28 (0.02) | 20.31 (0.02) | 20.30 (0.03) | 20.32 (0.03) | ||||||
| r magnitude | 20.45 (0.03) | 20.53 (0.04) | 20.53 (0.04) | 20.54 (0.04) | ||||||
| i magnitude | 20.67 (0.06) | 20.63 (0.07) | 20.63 (0.07) | 20.65 (0.07) | ||||||
| z magnitude | 20.70 (0.2) | 20.96 (0.3) | 20.94 (0.4) | 20.97 (0.3) | ||||||
| G magnitude | 20.39 (0.1) | 20.46 | 20.39 (0.008) | |||||||
| BP magnitude | 20.63 (0.1) | 20.40 | ||||||||
| RP magnitude | 20.38 (0.1) | 20.29 | ||||||||
| Pan g magnitude | 20.31 (0.02) | |||||||||
| Pan r magnitude | 20.50 (0.04) | |||||||||
| Pan i magnitude | 20.67 (0.03) | |||||||||
| Pan z magnitude | 20.90 (0.04) | |||||||||
| Pan y magnitude | 20.26 (0.3) | |||||||||
| E(B-V) | 0.032 | |||||||||
* 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.