All names: 2MASS J22193451-2231458, UCAC4 338-208202, GALEXJ22195-2231, Gaia EDR3 6626973253116113536, EC 22168-2246, Gaia DR3 6626973253116113536, TIC 137807038, GALEX J221934.4-223145, Gaia DR2 6626973253116113536
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 22 19 34.51 (0.04) | 22 19 34.44 | 22 19 34.51 (0.04) | ||
| Declination | -22 31 46.44 (0.03) | -22 31 45.53 | -22 31 45.98 (0.03) | ||
| 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] | 1.26 (0.04) | 0.95 (0.1) | 1.26 (0.04) | |
| Distance | [pc] | 791.45 (28) | 1050.53 (129) | 791.45 (28) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | 0.745 (0.04) | 0.943 (0.1) | 0.745 (0.04) | |
| Proper motion (declination) | [mas/yr] | -28.832 (0.03) | -28.73 (0.1) | -28.832 (0.03) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | 13.69 (0.01) | ||||
| V magnitude | 13.83 (0.03) | ||||
| R magnitude | 14.16 (0.07) | ||||
| I magnitude | |||||
| J magnitude | 14.44 (0.03) | 14.44 (0.03) | |||
| H magnitude | 14.66 (0.05) | 14.66 (0.05) | |||
| K magnitude | 14.64 (0.09) | 14.64 (0.09) | |||
| u magnitude | |||||
| g magnitude | 13.65 (0.02) | ||||
| r magnitude | 14.09 (0.02) | ||||
| i magnitude | 14.35 (0.03) | ||||
| z magnitude | |||||
| G magnitude | 13.83 (0.003) | 13.85 (0.001) | 13.83 (0.003) | ||
| BP magnitude | 13.69 (0.003) | 13.68 (0.02) | |||
| RP magnitude | 14.09 (0.004) | 14.09 (0.003) | |||
| Pan g magnitude | 13.67 (0.002) | ||||
| Pan r magnitude | 14.09 (0.005) | ||||
| Pan i magnitude | 14.43 (0.005) | ||||
| Pan z magnitude | 14.71 (0.004) | ||||
| Pan y magnitude | 14.87 (0.003) | ||||
| 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.