All names: Gaia DR3 3871318318992810752, GALEX J105435.1+112950, SDSS J105435.15+112950.5, Gaia DR2 3871318318992810752, SDSS J105435.16+112950.6, EPIC 248833732, Gaia EDR3 3871318318992810752
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | Kleinman et al. 2013 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 10 54 35.17 (0.2) | 10 54 35.15 | 10 54 35.17 (0.2) | 10 54 35.17 | 10 54 35.16 (0.2) | 10 54 35.16 | ||||
| Declination | 11 29 49.98 (0.1) | 11 29 50.57 | 11 29 50.01 (0.2) | 11 29 49.98 | 11 29 50.70 (0.1) | 11 29 50.55 | ||||
| Spectral type | DA: | DC | DC | DC: | ||||||
| Effective temperature | [K] | 7188.0 (187) | 10082.0 (10) | |||||||
| log(g) | [cgs] | 7.66 (0.06) | 9.62 (0.4) | |||||||
| Mass | [M☉] | 0.411 (0.04) | ||||||||
| log(Luminosity) | [L☉] | |||||||||
| Cooling age | [Gyr] | |||||||||
| log(H/He) | ||||||||||
| log(C/He) | ||||||||||
| log(Ca/He) | ||||||||||
| log(Ca/H) | ||||||||||
| Parallax | [mas] | 7.24 (0.2) | 6.92 (0.2) | 7.24 | 7.24 (0.2) | |||||
| Distance | [pc] | 138.04 (3) | 144.50 (5) | 138.04 | 138.04 (3) | |||||
| Composition | ||||||||||
| Proper motion (right ascension) | [mas/yr] | 7.07898532 (0.2) | 7.710276589 (0.4) | 7.079 (0.2) | ||||||
| Proper motion (declination) | [mas/yr] | -44.84648523 (0.1) | -44.71579051 (0.3) | -44.846 (0.1) | ||||||
| Variability | ||||||||||
| Magnetic | ||||||||||
| Bd | [MG] | |||||||||
| Infrared excess (disk) | ||||||||||
| Binarity | ||||||||||
| B magnitude | ||||||||||
| V magnitude | ||||||||||
| R magnitude | ||||||||||
| I magnitude | ||||||||||
| J magnitude | ||||||||||
| H magnitude | ||||||||||
| K magnitude | ||||||||||
| u magnitude | 19.19 (0.03) | 19.19 (0.03) | 19.15 (0.03) | |||||||
| g magnitude | 18.71 (0.008) | 18.71 (0.008) | 18.71 (0.03) | |||||||
| r magnitude | 18.59 (0.01) | 18.59 (0.01) | 18.60 (0.02) | |||||||
| i magnitude | 18.60 (0.01) | 18.60 (0.01) | 18.59 (0.03) | |||||||
| z magnitude | 18.63 (0.04) | 18.63 (0.04) | 18.64 (0.04) | |||||||
| G magnitude | 18.57 (0.02) | 18.59 | 18.57 | 18.57 (0.003) | ||||||
| BP magnitude | 18.77 (0.02) | 18.74 | ||||||||
| RP magnitude | 18.28 (0.02) | 18.19 | ||||||||
| Pan g magnitude | 18.75 (0.009) | |||||||||
| Pan r magnitude | 18.59 (0.006) | |||||||||
| Pan i magnitude | 18.60 (0.006) | |||||||||
| Pan z magnitude | 18.66 (0.008) | |||||||||
| Pan y magnitude | 18.67 (0.01) | |||||||||
| E(B-V) | 0.009 | |||||||||
* 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.