All names: Gaia DR3 5116881340461663232, Gaia DR2 5116881340461663232, GALEX J022118.8-272232, 2QZ J022118.8-272232
| Parameter | Unit | Stilism | Simbad |
|---|---|---|---|
| Right ascension | 02 21 18.83 (0.4) | ||
| Declination | -27 22 32.16 (0.6) | ||
| 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] | 0.63 (1) | |
| Distance | [pc] | 1598.72 (2842) | |
| Composition | |||
| Proper motion (right ascension) | [mas/yr] | 1.099 (0.9) | |
| Proper motion (declination) | [mas/yr] | 0.94 (1) | |
| 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 | 20.48 (0.006) | ||
| BP magnitude | |||
| RP magnitude | |||
| Pan g magnitude | |||
| Pan r magnitude | |||
| Pan i magnitude | |||
| Pan z magnitude | |||
| Pan y magnitude | |||
| E(B-V) | 0.014 | ||
* 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.