All names: GALEX J231758.8-315540, Gaia DR3 6556822250896074624, Gaia DR2 6556822246600774272, 2QZ J231758.8-315540
| Parameter | Unit | Stilism | Simbad |
|---|---|---|---|
| Right ascension | 23 17 58.92 (2) | ||
| Declination | -31 55 40.39 (1) | ||
| Spectral type | DA | ||
| 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] | 2.29 (2) | |
| Distance | [pc] | 436.21 (407) | |
| Composition | |||
| Proper motion (right ascension) | [mas/yr] | -33.538 (3) | |
| Proper motion (declination) | [mas/yr] | -3.481 (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 | 20.20 (0.02) | ||
| BP magnitude | |||
| RP magnitude | |||
| Pan g magnitude | |||
| Pan r magnitude | |||
| Pan i magnitude | |||
| Pan z magnitude | |||
| Pan y magnitude | |||
| E(B-V) | 0.009 | ||
* 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.