All names: 2QZ J121108.0-004924, Gaia DR2 3697905200485910656, Gaia DR3 3697905200485910656, GALEX J121107.9-004921, Gaia EDR3 3697905136061914112
| Parameter | Unit | Gaia EDR3 | Simbad |
|---|---|---|---|
| Right ascension | 12 11 08.46 (0.4) | 12 11 07.95 (1) | |
| Declination | -00 49 55.45 (0.4) | -00 49 23.31 (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] | 1.14 (0.6) | |
| Distance | [pc] | 879.20 (487) | |
| Composition | |||
| Proper motion (right ascension) | [mas/yr] | -10.326 (0.6) | |
| Proper motion (declination) | [mas/yr] | -1.971 (0.4) | |
| Variability | |||
| Magnetic | |||
| Bd | [MG] | ||
| Infrared excess (disk) | |||
| Binarity | |||
| B magnitude | 20.78 | ||
| V magnitude | |||
| R magnitude | |||
| I magnitude | |||
| J magnitude | |||
| H magnitude | |||
| K magnitude | |||
| u magnitude | |||
| g magnitude | |||
| r magnitude | |||
| i magnitude | |||
| z magnitude | |||
| G magnitude | 19.78 (0.006) | 20.69 (0.01) | |
| BP magnitude | 20.03 (0.08) | ||
| RP magnitude | 19.25 (0.05) | ||
| 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.