All names: Gaia DR3 2231371476055090304, GALEX J223336.8+741254, WISE J223336.63+741255.7, WISEA J223336.64+741255.7, GALEXJ22336+7412, TIC 367003034, Gaia DR2 2231371476055090304, 2MASS J22333662+7412558, UCAC4 822-026219
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 22 33 36.63 | 22 33 36.66 (0.02) | ||
| Declination | 74 12 55.83 | 74 12 55.79 (0.02) | ||
| Spectral type | sdB | sdB | ||
| 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] | 1.54 (0.03) | 1.53 (0.02) | |
| Distance | [pc] | 648.13 (13) | 653.42 (8) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | 0.596 (0.06) | 0.715 (0.02) | |
| Proper motion (declination) | [mas/yr] | -1.333 (0.05) | -1.32 (0.02) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 13.56 (0.01) | |||
| V magnitude | 13.65 (0.01) | |||
| R magnitude | 13.85 (0.06) | |||
| I magnitude | ||||
| J magnitude | 13.97 (0.03) | 13.97 (0.03) | ||
| H magnitude | 14.04 (0.05) | 14.04 (0.05) | ||
| K magnitude | 13.95 (0.07) | 13.95 (0.07) | ||
| u magnitude | ||||
| g magnitude | 13.51 (0.01) | |||
| r magnitude | 13.82 (0.01) | |||
| i magnitude | 14.09 (0.01) | |||
| z magnitude | ||||
| G magnitude | 13.63 (0.0005) | 13.61 (0.003) | ||
| BP magnitude | 13.52 (0.005) | |||
| RP magnitude | 13.73 (0.002) | |||
| Pan g magnitude | 13.54 (0.002) | |||
| Pan r magnitude | 13.82 (0.003) | |||
| Pan i magnitude | 14.07 (0.003) | |||
| Pan z magnitude | 14.28 (0.001) | |||
| Pan y magnitude | 14.44 (0.003) | |||
| E(B-V) | 0.220 | |||
* 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.