All names: EC 22136-2212, GALEX J221623.4-215726, GALEXJ22163-2157, HE 2213-2212, 2MASS J22162354-2157262, Gaia DR2 6819214275593537920, Gaia DR3 6819214275593537920, UCAC4 341-204093
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 22 16 23.55 | 22 16 23.54 (0.02) | ||
| Declination | -21 57 26.31 | -21 57 26.34 (0.03) | ||
| Spectral type | sdB+MS | 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] | 1.15 (0.06) | 1.23 (0.03) | |
| Distance | [pc] | 866.55 (47) | 810.64 (18) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | -1.396 (0.1) | -1.593 (0.03) | |
| Proper motion (declination) | [mas/yr] | 13.451 (0.1) | 13.417 (0.03) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 13.95 (0.01) | |||
| V magnitude | 13.99 (0.01) | |||
| R magnitude | 14.28 (0.1) | |||
| I magnitude | ||||
| J magnitude | 13.66 (0.02) | 13.66 (0.02) | ||
| H magnitude | 13.29 (0.03) | 13.29 (0.03) | ||
| K magnitude | 13.27 (0.03) | 13.27 (0.03) | ||
| u magnitude | ||||
| g magnitude | 13.89 (0.02) | |||
| r magnitude | 14.07 (0.02) | |||
| i magnitude | 14.26 (0.02) | |||
| z magnitude | ||||
| G magnitude | 13.93 (0.001) | 13.91 (0.003) | ||
| BP magnitude | 13.85 (0.009) | |||
| RP magnitude | 13.91 (0.005) | |||
| Pan g magnitude | 13.89 (0.006) | |||
| Pan r magnitude | 14.10 (0.001) | |||
| Pan i magnitude | 14.24 (0.003) | |||
| Pan z magnitude | 14.34 (0.004) | |||
| Pan y magnitude | 14.39 (0.008) | |||
| E(B-V) | 0.017 | |||
* 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.