All names: SDSS J064225.56+662410.2, Gaia DR2 1104129443470311808, Gaia DR3 1104129443470311808, GALEX J064225.8+662409, SDSSJ064225.56+662410.2, SDSS J064225.59+662410.1
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 06 42 25.57 | 06 42 25.58 (0.01) | ||
| Declination | 66 24 10.29 | 66 24 10.10 (0.02) | ||
| Spectral type | sd | sd+F/K | ||
| Effective temperature | [K] | |||
| log(g) | [cgs] | |||
| Mass | [M☉] | |||
| log(Luminosity) | [L☉] | |||
| Cooling age | [Gyr] | |||
| log(H/He) | ||||
| log(C/He) | ||||
| log(Ca/He) | ||||
| log(Ca/H) | ||||
| Parallax | [mas] | 0.42 (0.04) | 0.43 (0.03) | |
| Distance | [pc] | 2363.51 (217) | 2300.44 (154) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | -0.898 (0.04) | -1.043 (0.02) | |
| Proper motion (declination) | [mas/yr] | 1.304 (0.05) | 1.197 (0.03) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | ||||
| V magnitude | ||||
| R magnitude | ||||
| I magnitude | ||||
| J magnitude | 14.61 (0.04) | |||
| H magnitude | 14.46 (0.06) | |||
| K magnitude | 14.37 (0.07) | |||
| u magnitude | 15.82 (0.005) | 15.82 (0.005) | ||
| g magnitude | 15.52 (0.004) | 15.52 (0.004) | ||
| r magnitude | 15.44 (0.004) | 15.44 (0.004) | ||
| i magnitude | 15.43 (0.004) | 15.43 (0.004) | ||
| z magnitude | 15.43 (0.006) | 15.43 (0.006) | ||
| G magnitude | 15.37 (0.0005) | 15.35 (0.003) | ||
| BP magnitude | 15.50 (0.004) | |||
| RP magnitude | 15.07 (0.002) | |||
| Pan g magnitude | 15.51 (0.002) | |||
| Pan r magnitude | 15.42 (0.002) | |||
| Pan i magnitude | 15.41 (0.002) | |||
| Pan z magnitude | 15.43 (0.003) | |||
| Pan y magnitude | 15.44 (0.002) | |||
| E(B-V) | 0.075 | |||
* 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.