All names: Gaia EDR3 3803065516223369984, SDSS J105042.64-010830.5, 2QZ J105042.6-010830, SDSS J105042.64-010830.4, SDSS J105042.63-010830.4, Gaia DR2 3803065516223369984, Gaia DR3 3803065516223369984, GALEX J105042.6-010830
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Bedard et al. 2020 | Gaia DR2 | Simbad | Kleinman et al. 2013 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 10 50 42.63 (1) | 10 50 42.64 | 10 50 42.63 (1) | 10 50 42.64 (1) | 10 50 42.64 | ||||
| Declination | -01 08 30.64 (0.7) | -01 08 30.40 | -01 08 30.63 (1) | -01 08 30.34 (0.7) | -01 08 30.47 | ||||
| Spectral type | DA | DA | DA | DA | |||||
| Effective temperature | [K] | 56166.0 (9742) | 57865.0 (6577) | ||||||
| log(g) | [cgs] | 7.29 (0.5) | 7.34 (0.3) | ||||||
| Mass | [M☉] | 0.43 (0.2) | 0.492 (0.09) | ||||||
| log(Luminosity) | [L☉] | 0.73 (0.5) | |||||||
| Cooling age | [Gyr] | 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] | -0.43 (1) | -1.45 (2) | ||||||
| Distance | [pc] | ||||||||
| Composition | H | ||||||||
| Proper motion (right ascension) | [mas/yr] | -8.385790876 (1) | -10.79746761 (2) | -8.386 (1) | |||||
| Proper motion (declination) | [mas/yr] | -19.14703723 (0.9) | -21.18549708 (2) | -19.147 (0.9) | |||||
| Variability | |||||||||
| Magnetic | |||||||||
| Bd | [MG] | ||||||||
| Infrared excess (disk) | |||||||||
| Binarity | |||||||||
| B magnitude | |||||||||
| V magnitude | |||||||||
| R magnitude | |||||||||
| I magnitude | |||||||||
| J magnitude | |||||||||
| H magnitude | |||||||||
| K magnitude | |||||||||
| u magnitude | 20.05 (0.05) | 19.89 (0.04) | 19.89 (0.04) | ||||||
| g magnitude | 20.39 (0.02) | 20.37 (0.03) | 20.37 (0.03) | ||||||
| r magnitude | 20.86 (0.04) | 20.87 (0.05) | 20.87 (0.05) | ||||||
| i magnitude | 21.13 (0.07) | 21.27 (0.1) | 21.27 (0.1) | ||||||
| z magnitude | 21.63 (0.4) | 21.13 (0.4) | 21.13 (0.4) | ||||||
| G magnitude | 20.63 (0.09) | 20.70 | 20.63 (0.01) | ||||||
| BP magnitude | 20.49 (0.09) | 20.33 | |||||||
| RP magnitude | 20.20 (0.2) | 20.53 | |||||||
| Pan g magnitude | 20.43 (0.02) | ||||||||
| Pan r magnitude | 20.90 (0.03) | ||||||||
| Pan i magnitude | 21.18 (0.04) | ||||||||
| Pan z magnitude | 21.24 (0.05) | ||||||||
| Pan y magnitude | |||||||||
| E(B-V) | |||||||||
* 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.