All names: UCAC4 333-223052, Gaia EDR3 6818619744745630592, TIC 206536824, Gaia DR2 6818619744745630592, Gaia DR3 6818619744745630592, EC22080-2344, GALEX J221050.8-233000, EC 22080-2344, 2MASS J22105077-2330002
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 22 10 50.78 (0.05) | 22 10 50.73 | 22 10 50.78 (0.05) | ||
| Declination | -23 30 00.32 (0.05) | -23 30 00.97 | -23 30 00.27 (0.05) | ||
| Spectral type | sdB | sdB/sdOB | |||
| 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] | 0.46 (0.07) | 0.32 (0.09) | 0.46 (0.07) | |
| Distance | [pc] | 2174.39 (312) | 3082.61 (861) | 2174.39 (312) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | 0.357 (0.07) | 0.532 (0.1) | 0.357 (0.07) | |
| Proper motion (declination) | [mas/yr] | -2.884 (0.06) | -2.671 (0.1) | -2.884 (0.06) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | 16.02 (0.07) | ||||
| V magnitude | 16.33 (0.1) | ||||
| R magnitude | 16.35 (0.2) | ||||
| I magnitude | |||||
| J magnitude | 16.61 (0.1) | 16.61 (0.1) | |||
| H magnitude | 15.90 | ||||
| K magnitude | 16.27 | ||||
| u magnitude | |||||
| g magnitude | 16.11 (0.01) | ||||
| r magnitude | 16.66 (0.01) | ||||
| i magnitude | |||||
| z magnitude | |||||
| G magnitude | 16.22 (0.003) | 16.25 (0.002) | 16.22 (0.003) | ||
| BP magnitude | 16.05 (0.007) | 15.98 (0.01) | |||
| RP magnitude | 16.54 (0.008) | 16.55 (0.007) | |||
| Pan g magnitude | 16.05 (0.003) | ||||
| Pan r magnitude | 16.50 (0.004) | ||||
| Pan i magnitude | 16.88 (0.003) | ||||
| Pan z magnitude | 17.17 (0.005) | ||||
| Pan y magnitude | 17.34 (0.01) | ||||
| E(B-V) | 0.016 | ||||
* 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.