All names: 2QZ J222015.6-303933, Gaia EDR3 6614019975348970112, Gaia DR2 6614019975348970112, GALEX J222015.7-303932, Gaia DR3 6614019975348970112
| Parameter | Unit | Gaia EDR3 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 22 20 15.72 (0.2) | 22 20 15.69 (0.2) | ||
| Declination | -30 39 32.45 (0.2) | -30 39 32.47 (0.2) | ||
| 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] | 1.95 (0.3) | 1.95 (0.3) | |
| Distance | [pc] | 512.14 (87) | 512.14 (87) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | 26.799 (0.3) | 26.799 (0.3) | |
| Proper motion (declination) | [mas/yr] | 1.171 (0.3) | 1.171 (0.3) | |
| 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 | 19.51 (0.004) | 19.51 (0.004) | ||
| BP magnitude | 19.47 (0.05) | |||
| RP magnitude | 19.67 (0.09) | |||
| Pan g magnitude | ||||
| Pan r magnitude | ||||
| Pan i magnitude | ||||
| Pan z magnitude | ||||
| Pan y magnitude | ||||
| E(B-V) | 0.012 | |||
* 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.