All names: Gaia DR3 1794263171051105280, Gaia DR2 1794263171051105280, GALEX J214754.6+224536
| Parameter | Unit | Vincent et al. 2024 | Simbad |
|---|---|---|---|
| Right ascension | 21 47 54.73 | 21 47 54.72 (0.06) | |
| Declination | 22 45 35.51 | 22 45 36.06 (0.06) | |
| Spectral type | DA | DA | |
| Effective temperature | [K] | 16278.0 (331) | |
| log(g) | [cgs] | 7.91 (0.02) | |
| Mass | [M☉] | 0.563 (0.02) | |
| log(Luminosity) | [L☉] | ||
| Cooling age | [Gyr] | ||
| log(H/He) | |||
| log(C/He) | |||
| log(Ca/He) | |||
| log(Ca/H) | |||
| Parallax | [mas] | 6.75 | 6.75 (0.08) |
| Distance | [pc] | 148.16 | 148.16 (2) |
| Composition | |||
| Proper motion (right ascension) | [mas/yr] | 5.736 (0.07) | |
| Proper motion (declination) | [mas/yr] | -34.387 (0.07) | |
| 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 | 16.89 | 16.89 (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.