All names: SDSS J104659.78+374556.7, Gaia DR2 775778158602631936, Gaia EDR3 775778158602631936, LAMOST J104659.78+374556.7, SDSS J104659.78+374556.8, SDSS J104659.72+374556.4, WIRED J104659.78+374556.7, Gaia DR3 775778158602631936, SDSS J104659.77+374556.7, SDSS J104659.71+374556.4
| 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 46 59.69 (0.05) | 10 46 59.78 | 10 46 59.69 (0.07) | 10 46 59.69 | 10 46 59.82 (0.05) | 10 46 59.78 | ||||
| Declination | 37 45 56.34 (0.07) | 37 45 56.78 | 37 45 56.36 (0.1) | 37 45 56.34 | 37 45 57.04 (0.07) | 37 45 56.79 | ||||
| Spectral type | DA | DA | DA | DA | ||||||
| Effective temperature | [K] | 19668.0 (524) | 20331.0 (148) | |||||||
| log(g) | [cgs] | 7.85 (0.03) | 7.88 (0.03) | |||||||
| Mass | [M☉] | 0.542 (0.02) | 0.565 (0.01) | |||||||
| log(Luminosity) | [L☉] | |||||||||
| Cooling age | [Gyr] | |||||||||
| log(H/He) | ||||||||||
| log(C/He) | ||||||||||
| log(Ca/He) | ||||||||||
| log(Ca/H) | ||||||||||
| Parallax | [mas] | 5.53 (0.08) | 5.74 (0.1) | 5.53 | 5.53 (0.08) | |||||
| Distance | [pc] | 180.75 (3) | 174.31 (3) | 180.75 | 180.75 (3) | |||||
| Composition | ||||||||||
| Proper motion (right ascension) | [mas/yr] | -97.23774007 (0.08) | -96.96659558 (0.1) | -97.238 (0.08) | ||||||
| Proper motion (declination) | [mas/yr] | -43.86838328 (0.09) | -44.0851487 (0.2) | -43.868 (0.09) | ||||||
| Variability | ||||||||||
| Magnetic | ||||||||||
| Bd | [MG] | |||||||||
| Infrared excess (disk) | ||||||||||
| Binarity | ||||||||||
| B magnitude | ||||||||||
| V magnitude | ||||||||||
| R magnitude | ||||||||||
| I magnitude | ||||||||||
| J magnitude | ||||||||||
| H magnitude | ||||||||||
| K magnitude | ||||||||||
| u magnitude | 16.77 (0.007) | 16.77 (0.007) | 16.74 (0.02) | |||||||
| g magnitude | 16.69 (0.004) | 16.69 (0.004) | 16.71 (0.02) | |||||||
| r magnitude | 17.07 (0.005) | 17.07 (0.005) | 17.07 (0.01) | |||||||
| i magnitude | 17.37 (0.006) | 17.37 (0.006) | 17.37 (0.02) | |||||||
| z magnitude | 17.68 (0.02) | 17.68 (0.02) | 17.69 (0.03) | |||||||
| G magnitude | 16.90 (0.004) | 16.92 | 16.90 | 16.90 (0.003) | ||||||
| BP magnitude | 16.83 (0.004) | 16.79 | ||||||||
| RP magnitude | 17.08 (0.01) | 17.06 | ||||||||
| Pan g magnitude | 16.76 (0.006) | |||||||||
| Pan r magnitude | 17.08 (0.003) | |||||||||
| Pan i magnitude | 17.38 (0.002) | |||||||||
| Pan z magnitude | 17.64 (0.01) | |||||||||
| Pan y magnitude | 17.80 (0.02) | |||||||||
| E(B-V) | 0.012 | |||||||||
* 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.