All names: SDSS J105100.61+283715.4, USNO-A2.0 1125-06192728, GALEX 2684578624206538669, SDSS J105100.62+283715.4, Gaia DR3 731609127247167104, SDSS J105100.62+283715.40, Gaia EDR3 731609127247167104, Gaia DR2 731609127247167104
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Genest-Beaulieu & Bergeron 2019 (spectroscopic) | Gaia DR2 | Stilism | Koester & Kepler 2015 | Vincent et al. 2024 | Simbad | Kleinman et al. 2013 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 10 51 00.60 (0.1) | 10 51 00.62 | 10 51 00.60 (0.2) | 10 51 00.60 | 10 51 00.63 (0.2) | 10 51 00.62 | ||||||
| Declination | 28 37 15.35 (0.2) | 28 37 15.45 | 28 37 15.35 (0.3) | 28 37 15.35 | 28 37 15.43 (0.3) | 28 37 15.41 | ||||||
| Spectral type | DB | DBAZ | DBAZ | DB | ||||||||
| Effective temperature | [K] | 14991.0 | 15229.0 (56) | 14013.0 (831) | 15213.0 (133) | |||||||
| log(g) | [cgs] | 8.06 | 8.00 (0) | 7.91 (0.09) | 8.35 (0.09) | |||||||
| Mass | [M☉] | 0.628 | 0.54 (0.07) | |||||||||
| log(Luminosity) | [L☉] | |||||||||||
| Cooling age | [Gyr] | |||||||||||
| log(H/He) | -5.247 | -5.19 (0.3) | ||||||||||
| log(C/He) | ||||||||||||
| log(Ca/He) | -7.23 (0.4) | |||||||||||
| log(Ca/H) | ||||||||||||
| Parallax | [mas] | 3.95 (0.2) | 4.00 (0.3) | 3.95 | 4.00 (0.3) | |||||||
| Distance | [pc] | 253.45 (10) | 250.00 (17) | 253.00 | 253.45 | 250.00 (17) | ||||||
| Composition | ||||||||||||
| Proper motion (right ascension) | [mas/yr] | -24.85325896 (0.2) | -24.39792156 (0.4) | -24.398 (0.4) | ||||||||
| Proper motion (declination) | [mas/yr] | -5.492166178 (0.2) | -5.028959 (0.4) | -5.029 (0.4) | ||||||||
| Variability | ||||||||||||
| Magnetic | ||||||||||||
| Bd | [MG] | |||||||||||
| Infrared excess (disk) | ||||||||||||
| Binarity | ||||||||||||
| B magnitude | 17.70 (0.3) | |||||||||||
| V magnitude | ||||||||||||
| R magnitude | 18.10 (0.3) | |||||||||||
| I magnitude | ||||||||||||
| J magnitude | ||||||||||||
| H magnitude | ||||||||||||
| K magnitude | ||||||||||||
| u magnitude | 18.12 (0.01) | 18.12 (0.01) | 18.11 (0.01) | |||||||||
| g magnitude | 18.19 (0.006) | 18.19 (0.006) | 18.20 (0.02) | |||||||||
| r magnitude | 18.48 (0.008) | 18.48 (0.008) | 18.49 (0.02) | |||||||||
| i magnitude | 18.72 (0.01) | 18.72 (0.01) | 18.70 (0.02) | |||||||||
| z magnitude | 18.92 (0.04) | 18.92 (0.04) | 18.93 (0.04) | |||||||||
| G magnitude | 18.31 (0.02) | 18.35 | 18.31 | 18.35 (0.004) | ||||||||
| BP magnitude | 18.26 (0.02) | 18.15 | ||||||||||
| RP magnitude | 18.42 (0.04) | 18.37 | ||||||||||
| Pan g magnitude | 18.23 (0.005) | |||||||||||
| Pan r magnitude | 18.46 (0.008) | |||||||||||
| Pan i magnitude | 18.72 (0.006) | |||||||||||
| Pan z magnitude | 18.92 (0.02) | |||||||||||
| Pan y magnitude | 19.07 (0.02) | |||||||||||
| 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.