All names: GALEX J100933.4+520549, Gaia EDR3 851267264007219584, SDSS J100933.43+520547.4, SDSS J100933.43+520547.48, Gaia DR2 851267264006993536, Gaia DR3 851267264007219584
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Gaia DR2 | Stilism | Kepler et al. 2016 | Simbad | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 10 09 33.42 (0.5) | 10 09 33.44 | 10 09 33.42 (0.6) | 10 09 33.45 (0.5) | |||||
| Declination | 52 05 46.78 (0.5) | 52 05 47.21 | 52 05 46.79 (0.9) | 52 05 47.32 (0.5) | |||||
| Spectral type | DA: | DA | DA | ||||||
| Effective temperature | [K] | 7328.0 (206) | |||||||
| log(g) | [cgs] | 8.00 (1) | |||||||
| Mass | [M☉] | ||||||||
| log(Luminosity) | [L☉] | ||||||||
| Cooling age | [Gyr] | ||||||||
| log(H/He) | |||||||||
| log(C/He) | |||||||||
| log(Ca/He) | |||||||||
| log(Ca/H) | |||||||||
| Parallax | [mas] | 1.13 (0.7) | 0.15 (1) | 1.13 (0.7) | |||||
| Distance | [pc] | 887.82 (571) | 6847.43 (45906) | 887.86 (571) | |||||
| Composition | |||||||||
| Proper motion (right ascension) | [mas/yr] | -18.38637621 (0.7) | -18.15289935 (1) | -18.386 (0.7) | |||||
| Proper motion (declination) | [mas/yr] | -34.21634883 (0.9) | -29.99772095 (2) | -34.216 (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 | 21.17 (0.09) | 21.16 (0.08) | 21.16 (0.08) | ||||||
| g magnitude | 20.57 (0.02) | 20.60 (0.04) | 20.60 (0.04) | ||||||
| r magnitude | 20.42 (0.03) | 20.47 (0.04) | 20.47 (0.04) | ||||||
| i magnitude | 20.32 (0.03) | 20.39 (0.03) | 20.39 (0.03) | ||||||
| z magnitude | 20.37 (0.1) | 20.43 (0.1) | 20.43 (0.1) | ||||||
| G magnitude | 20.54 (0.08) | 20.57 | 20.54 (0.009) | ||||||
| BP magnitude | 20.58 (0.08) | 20.49 | |||||||
| RP magnitude | 20.25 (0.07) | 20.27 | |||||||
| Pan g magnitude | 20.62 (0.01) | ||||||||
| Pan r magnitude | 20.39 (0.03) | ||||||||
| Pan i magnitude | 20.39 (0.02) | ||||||||
| Pan z magnitude | 20.41 (0.04) | ||||||||
| Pan y magnitude | 20.05 (0.06) | ||||||||
| E(B-V) | 0.021 | ||||||||
* 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.