All names: Gaia DR3 6608783929178881792, GALEX J223805.3-284332, 2QZ J223805.3-284334, Gaia DR2 6608783929178881792
| Parameter | Unit | Simbad |
|---|---|---|
| Right ascension | 22 38 05.27 (0.5) | |
| Declination | -28 43 33.32 (0.5) | |
| Spectral type | DB | |
| 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] | 0.19 (0.6) |
| Distance | [pc] | 5274.26 (16902) |
| Composition | ||
| Proper motion (right ascension) | [mas/yr] | 0.17 (0.7) |
| Proper motion (declination) | [mas/yr] | 0.689 (0.6) |
| 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 | ||
| r magnitude | ||
| i magnitude | ||
| z magnitude | ||
| G magnitude | 20.27 (0.008) | |
| 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.