All names: PSO J334.2136-21.3294, Gaia DR2 6820796782063605632, EC 22140-2134, TIC 2028798998, EC22140-2134, TIC 471013664, Gaia DR3 6820796782063605632
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 22 16 51.24 | 22 16 51.27 (0.06) | ||
| Declination | -21 19 46.06 | -21 19 46.18 (0.05) | ||
| 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] | 0.12 (0.1) | 0.13 (0.07) | |
| Distance | [pc] | 8568.98 (8694) | 7418.40 (3737) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | -1.058 (0.2) | -1.173 (0.07) | |
| Proper motion (declination) | [mas/yr] | -5.791 (0.2) | -5.849 (0.06) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | ||||
| V magnitude | ||||
| R magnitude | ||||
| I magnitude | ||||
| J magnitude | ||||
| H magnitude | ||||
| K magnitude | ||||
| u magnitude | ||||
| g magnitude | 16.03 (0.004) | |||
| r magnitude | 16.46 (0.004) | |||
| i magnitude | 16.83 (0.004) | |||
| z magnitude | 17.12 (0.006) | |||
| G magnitude | 16.22 (0.002) | 16.19 (0.003) | ||
| BP magnitude | 15.95 (0.03) | |||
| RP magnitude | 16.50 (0.008) | |||
| Pan g magnitude | 16.03 (0.004) | |||
| Pan r magnitude | 16.46 (0.004) | |||
| Pan i magnitude | 16.83 (0.004) | |||
| Pan z magnitude | 17.11 (0.006) | |||
| Pan y magnitude | 17.30 (0.007) | |||
| E(B-V) | 0.018 | |||
* 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.