All names: Gaia DR2 6603692404363443200, EC22409-3330, GALEX J224348.4-331505, 2MASS J22434844-3315059, TIC 91511968, Gaia DR3 6603692404363443200, UCAC4 284-212517, EC 22409-3330
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 22 43 48.30 | 22 43 48.43 (0.03) | ||
| Declination | -33 15 05.47 | -33 15 05.98 (0.03) | ||
| Spectral type | sdB | sdB(+F?) | ||
| 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] | 0.10 (0.06) | 0.09 (0.05) | |
| Distance | [pc] | 10245.90 (5963) | 10881.39 (5364) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | -5.584 (0.09) | -5.565 (0.04) | |
| Proper motion (declination) | [mas/yr] | -4.498 (0.09) | -4.462 (0.03) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 15.43 (0.01) | |||
| V magnitude | ||||
| R magnitude | 15.81 (0.08) | |||
| I magnitude | ||||
| J magnitude | 15.65 (0.07) | 15.65 (0.07) | ||
| H magnitude | 15.87 (0.1) | 15.87 (0.1) | ||
| K magnitude | 15.54 (0.2) | 15.54 (0.2) | ||
| u magnitude | ||||
| g magnitude | 15.37 (0.01) | |||
| r magnitude | 15.57 (0.01) | |||
| i magnitude | 16.02 (0.01) | |||
| z magnitude | ||||
| G magnitude | 15.50 (0.0007) | 15.48 (0.003) | ||
| BP magnitude | 15.42 (0.007) | |||
| RP magnitude | 15.58 (0.004) | |||
| Pan g magnitude | 15.53 | |||
| Pan r magnitude | 15.79 | |||
| Pan i magnitude | 15.94 (0.006) | |||
| Pan z magnitude | 16.18 | |||
| Pan y magnitude | 16.26 | |||
| E(B-V) | 0.011 | |||
* 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.