All names: Gaia EDR3 6615435257267949312, 2QZ J222245.6-282101, Gaia DR2 6615435390411300480, Gaia DR3 6615435390411300480, GALEX J222245.6-282059, GALEX J222245.4-282101
| Parameter | Unit | Gaia EDR3 | Simbad |
|---|---|---|---|
| Right ascension | 22 22 39.52 (0.8) | 22 22 45.58 (1) | |
| Declination | -28 22 05.66 (0.6) | -28 21 01.25 (1) | |
| 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] | 3.23 (0.9) | |
| Distance | [pc] | 309.66 (84) | |
| Composition | |||
| Proper motion (right ascension) | [mas/yr] | 10.618 (1) | |
| Proper motion (declination) | [mas/yr] | -9.203 (0.9) | |
| 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 | 20.47 (0.01) | 20.65 (0.01) | |
| BP magnitude | 20.71 (0.1) | ||
| RP magnitude | 19.36 (0.08) | ||
| 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.