All names: Gaia DR3 722128828755291392, SDSS J102356.15+220932.7, GALEX J102356.1+220933, SDSS J102356.16+220932.8, Gaia DR2 722128828755291392, SDSS J102356.15+220932.6, Gaia EDR3 722128828755291392
| 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 23 56.15 (0.09) | 10 23 56.16 | 10 23 56.15 (0.2) | 10 23 56.15 | 10 23 56.16 (0.09) | 10 23 56.16 | ||||
| Declination | 22 09 32.64 (0.08) | 22 09 32.69 | 22 09 32.64 (0.1) | 22 09 32.64 | 22 09 32.55 (0.08) | 22 09 32.78 | ||||
| Spectral type | DA | DA | DA | DA | ||||||
| Effective temperature | [K] | 26355.0 (1094) | 25416.0 (218) | |||||||
| log(g) | [cgs] | 7.97 (0.06) | 7.91 (0.03) | |||||||
| Mass | [M☉] | 0.622 (0.04) | 0.59 (0.01) | |||||||
| log(Luminosity) | [L☉] | |||||||||
| Cooling age | [Gyr] | |||||||||
| log(H/He) | ||||||||||
| log(C/He) | ||||||||||
| log(Ca/He) | ||||||||||
| log(Ca/H) | ||||||||||
| Parallax | [mas] | 3.25 (0.1) | 3.16 (0.2) | 3.25 | 3.25 (0.1) | |||||
| Distance | [pc] | 307.31 (11) | 316.74 (19) | 307.31 | 307.31 (11) | |||||
| Composition | ||||||||||
| Proper motion (right ascension) | [mas/yr] | -11.46106926 (0.1) | -11.18331098 (0.3) | -11.461 (0.1) | ||||||
| Proper motion (declination) | [mas/yr] | 5.997832648 (0.08) | 6.152872438 (0.3) | 5.998 (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 | 17.36 (0.009) | 17.36 (0.009) | 17.39 (0.02) | |||||||
| g magnitude | 17.48 (0.006) | 17.48 (0.006) | 17.50 (0.02) | |||||||
| r magnitude | 17.75 (0.007) | 17.75 (0.007) | 17.76 (0.03) | |||||||
| i magnitude | 18.13 (0.008) | 18.13 (0.008) | 18.23 (0.03) | |||||||
| z magnitude | 18.53 (0.03) | 18.53 (0.03) | 18.48 (0.03) | |||||||
| G magnitude | 17.70 (0.008) | 17.73 | 17.70 | 17.70 (0.003) | ||||||
| BP magnitude | 17.61 (0.008) | 17.58 | ||||||||
| RP magnitude | 17.93 (0.02) | 17.94 | ||||||||
| Pan g magnitude | 17.54 (0.005) | |||||||||
| Pan r magnitude | 17.92 (0.003) | |||||||||
| Pan i magnitude | 18.24 (0.006) | |||||||||
| Pan z magnitude | 18.49 (0.01) | |||||||||
| Pan y magnitude | 18.67 (0.02) | |||||||||
| E(B-V) | 0.019 | |||||||||
* 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.