All names: Gaia DR2 2328562389777268864, Gaia EDR3 2328562389777268864, 2QZ J232942.5-311810, Gaia DR3 2328562389777268864, GALEX J232942.5-311810
| Parameter | Unit | Gaia EDR3 | Simbad |
|---|---|---|---|
| Right ascension | 23 29 42.54 (0.3) | 23 29 42.53 (0.3) | |
| Declination | -31 18 10.69 (0.6) | -31 18 10.54 (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] | 1.48 (0.6) | 1.48 (0.6) |
| Distance | [pc] | 674.67 (264) | 674.67 (264) |
| Composition | |||
| Proper motion (right ascension) | [mas/yr] | 1.659 (0.4) | 1.659 (0.4) |
| Proper motion (declination) | [mas/yr] | -9.853 (0.6) | -9.853 (0.6) |
| Variability | |||
| Magnetic | |||
| Bd | [MG] | ||
| Infrared excess (disk) | |||
| Binarity | |||
| B magnitude | 19.84 | ||
| V magnitude | |||
| R magnitude | |||
| I magnitude | |||
| J magnitude | |||
| H magnitude | |||
| K magnitude | |||
| u magnitude | |||
| g magnitude | |||
| r magnitude | |||
| i magnitude | |||
| z magnitude | |||
| G magnitude | 20.03 (0.006) | 20.03 (0.006) | |
| BP magnitude | 19.87 (0.1) | ||
| RP magnitude | 20.14 (0.1) | ||
| 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.