All names: Gaia DR2 3695839011978854528, 2QZ J123820.4-004833, GALEX J123820.4-004832, Gaia DR3 3695839011978854528
| Parameter | Unit | Stilism | Simbad |
|---|---|---|---|
| Right ascension | 12 38 20.41 (0.4) | ||
| Declination | -00 48 32.40 (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] | 0.32 (0.4) | |
| Distance | [pc] | 3088.33 (3886) | |
| Composition | |||
| Proper motion (right ascension) | [mas/yr] | -5.991 (0.6) | |
| Proper motion (declination) | [mas/yr] | -0.925 (0.5) | |
| Variability | |||
| Magnetic | |||
| Bd | [MG] | ||
| Infrared excess (disk) | |||
| Binarity | |||
| B magnitude | 20.16 | ||
| V magnitude | |||
| R magnitude | |||
| I magnitude | |||
| J magnitude | |||
| H magnitude | |||
| K magnitude | |||
| u magnitude | |||
| g magnitude | |||
| r magnitude | |||
| i magnitude | |||
| z magnitude | |||
| G magnitude | 19.39 (0.004) | ||
| BP magnitude | |||
| RP magnitude | |||
| Pan g magnitude | |||
| Pan r magnitude | |||
| Pan i magnitude | |||
| Pan z magnitude | |||
| Pan y magnitude | |||
| E(B-V) | 0.023 | ||
* 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.