All names: Gaia EDR3 6406278012175484416, 2MASS J22174750-6107015, Gaia DR3 6406278012175484416, GALEX J221747.4-610659, EC 22143-6122, UCAC4 145-225642, EC22143-6122, TIC 394018151, Gaia DR2 6406278012175484416
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 22 17 47.49 (0.02) | 22 17 47.53 | 22 17 47.50 (0.02) | ||
| Declination | -61 07 01.60 (0.02) | -61 07 00.80 | -61 07 01.39 (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] | 1.14 (0.03) | 1.13 (0.05) | 1.14 (0.03) | |
| Distance | [pc] | 873.52 (24) | 884.33 (37) | 873.52 (24) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | -2.446 (0.02) | -2.269 (0.05) | -2.446 (0.02) | |
| Proper motion (declination) | [mas/yr] | -13.275 (0.03) | -13.32 (0.06) | -13.275 (0.03) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | 14.01 (0.01) | ||||
| V magnitude | 14.23 (0.02) | ||||
| R magnitude | 14.63 (0.1) | ||||
| I magnitude | |||||
| J magnitude | 14.90 (0.04) | 14.90 (0.04) | |||
| H magnitude | 15.13 (0.09) | 15.13 (0.09) | |||
| K magnitude | 15.05 (0.1) | 15.05 (0.1) | |||
| u magnitude | |||||
| g magnitude | 14.01 (0.01) | ||||
| r magnitude | 14.49 (0.02) | ||||
| i magnitude | 14.83 (0.02) | ||||
| z magnitude | |||||
| G magnitude | 14.22 (0.003) | 14.24 (0.0004) | 14.22 (0.003) | ||
| BP magnitude | 14.07 (0.003) | 14.02 (0.006) | |||
| RP magnitude | 14.50 (0.004) | 14.50 (0.003) | |||
| Pan g magnitude | |||||
| Pan r magnitude | |||||
| Pan i magnitude | |||||
| Pan z magnitude | |||||
| Pan y magnitude | |||||
| E(B-V) | 0.015 | ||||
* 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.