All names: GALEX J205838.2-374656, Gaia DR3 6775201301875079552, Gaia DR2 6775201301875079552
| Parameter | Unit | Vincent et al. 2024 | Simbad |
|---|---|---|---|
| Right ascension | 20 58 38.24 | 20 58 38.31 (0.2) | |
| Declination | -37 46 56.46 | -37 46 56.75 (0.1) | |
| Spectral type | DA | DA | |
| Effective temperature | [K] | 7177.0 (153) | |
| log(g) | [cgs] | 8.12 (0.05) | |
| Mass | [M☉] | 0.663 (0.04) | |
| log(Luminosity) | [L☉] | ||
| Cooling age | [Gyr] | ||
| log(H/He) | |||
| log(C/He) | |||
| log(Ca/He) | |||
| log(Ca/H) | |||
| Parallax | [mas] | 9.22 | 9.22 (0.2) |
| Distance | [pc] | 108.44 | 108.44 (3) |
| Composition | |||
| Proper motion (right ascension) | [mas/yr] | -49.184 (0.2) | |
| Proper motion (declination) | [mas/yr] | 17.942 (0.2) | |
| 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 | 18.68 | 18.68 (0.003) | |
| BP magnitude | |||
| RP magnitude | |||
| 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.