All names: 2MASS J22104688-5206335, UCAC4 190-205854, EC22075-5221, EC 22075-5221, TIC 143923307, GALEX J221046.8-520632, Gaia DR3 6509847192852210048, Gaia DR2 6509847192852210048
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 22 10 46.88 | 22 10 46.90 (0.2) | ||
| Declination | -52 06 33.44 | -52 06 33.51 (0.1) | ||
| 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] | 0.73 (0.3) | 1.20 (0.2) | |
| Distance | [pc] | 1373.82 (557) | 835.14 (158) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | 8.051 (0.4) | 6.797 (0.2) | |
| Proper motion (declination) | [mas/yr] | -5.801 (0.5) | -5.863 (0.2) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 14.99 (0.01) | |||
| V magnitude | 14.92 (0.09) | |||
| R magnitude | 14.89 (0.07) | |||
| I magnitude | ||||
| J magnitude | 14.19 (0.03) | 14.19 (0.03) | ||
| H magnitude | 14.00 (0.04) | 14.00 (0.04) | ||
| K magnitude | 14.04 (0.07) | 14.04 (0.07) | ||
| u magnitude | ||||
| g magnitude | 14.84 (0.03) | |||
| r magnitude | 14.87 (0.01) | |||
| i magnitude | 15.02 (0.03) | |||
| z magnitude | ||||
| G magnitude | 14.82 (0.001) | 14.86 (0.004) | ||
| BP magnitude | 14.85 (0.004) | |||
| RP magnitude | 14.60 (0.001) | |||
| Pan g magnitude | ||||
| Pan r magnitude | ||||
| Pan i magnitude | ||||
| Pan z magnitude | ||||
| Pan y magnitude | ||||
| 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.