All names: EC 22046-5248, TIC 143856626, EC22046-5248, GALEX J220752.8-523326, Gaia DR3 6509784250107379968, 2MASS J22075296-5233263, UCAC4 188-210312, Gaia DR2 6509784250107379968
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 22 07 53.02 | 22 07 52.97 (0.01) | ||
| Declination | -52 33 26.42 | -52 33 26.38 (0.01) | ||
| 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] | 0.31 (0.05) | 0.34 (0.02) | |
| Distance | [pc] | 3179.65 (478) | 2942.04 (188) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | -1.273 (0.06) | -1.327 (0.02) | |
| Proper motion (declination) | [mas/yr] | -16.407 (0.07) | -16.414 (0.02) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 13.88 (0.01) | |||
| V magnitude | 14.10 (0.01) | |||
| R magnitude | 14.22 (0.09) | |||
| I magnitude | ||||
| J magnitude | 14.29 (0.03) | 14.29 (0.03) | ||
| H magnitude | 14.26 (0.05) | 14.26 (0.05) | ||
| K magnitude | 14.54 (0.09) | 14.54 (0.09) | ||
| u magnitude | ||||
| g magnitude | 13.86 (0.01) | |||
| r magnitude | 14.16 (0.01) | |||
| i magnitude | 14.40 (0.06) | |||
| z magnitude | ||||
| G magnitude | 14.01 (0.0003) | 13.99 (0.003) | ||
| BP magnitude | 13.91 (0.005) | |||
| RP magnitude | 14.09 (0.001) | |||
| Pan g magnitude | ||||
| Pan r magnitude | ||||
| Pan i magnitude | ||||
| Pan z magnitude | ||||
| Pan y magnitude | ||||
| E(B-V) | 0.012 | |||
* 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.