All names: PHL 242, ** LDS 6383B, WDS J22226-0828B, Gaia DR3 2616210918121365760, Gaia DR2 2616210918121365760, SDSS J222236.56-082806.0
| Parameter | Unit | Simbad |
|---|---|---|
| Right ascension | 22 22 36.56 (0.07) | |
| Declination | -08 28 06.01 (0.07) | |
| Spectral type | DA | |
| 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] | 9.07 (0.09) |
| Distance | [pc] | 110.20 (1) |
| Composition | ||
| Proper motion (right ascension) | [mas/yr] | 5.918 (0.09) |
| Proper motion (declination) | [mas/yr] | -37.718 (0.07) |
| Variability | ||
| Magnetic | ||
| Bd | [MG] | |
| Infrared excess (disk) | ||
| Binarity | ||
| B magnitude | 17.80 | |
| V magnitude | 17.90 | |
| R magnitude | ||
| I magnitude | ||
| J magnitude | ||
| H magnitude | ||
| K magnitude | ||
| u magnitude | 17.59 (0.01) | |
| g magnitude | 17.11 (0.005) | |
| r magnitude | 17.32 (0.005) | |
| i magnitude | 17.49 (0.007) | |
| z magnitude | 17.72 (0.02) | |
| G magnitude | 17.19 (0.004) | |
| BP magnitude | ||
| RP magnitude | ||
| Pan g magnitude | ||
| Pan r magnitude | ||
| Pan i magnitude | ||
| Pan z magnitude | ||
| Pan y magnitude | ||
| E(B-V) | ||
* 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.