All names: Gaia DR2 5666044758100453120, Gaia DR3 5666044758100453120, GALEX J100504.5-223746
| Parameter | Unit | Vincent et al. 2024 | Simbad |
|---|---|---|---|
| Right ascension | 10 05 04.53 | 10 05 04.55 (0.2) | |
| Declination | -22 37 46.80 | -22 37 46.69 (0.2) | |
| Spectral type | DB | DB | |
| Effective temperature | [K] | 13635.0 (743) | |
| log(g) | [cgs] | 7.83 (0.1) | |
| Mass | [M☉] | 0.493 (0.07) | |
| log(Luminosity) | [L☉] | ||
| Cooling age | [Gyr] | ||
| log(H/He) | |||
| log(C/He) | |||
| log(Ca/He) | |||
| log(Ca/H) | |||
| Parallax | [mas] | 3.26 | 3.26 (0.2) |
| Distance | [pc] | 306.85 | 306.84 (18) |
| Composition | |||
| Proper motion (right ascension) | [mas/yr] | -14.55 (0.2) | |
| Proper motion (declination) | [mas/yr] | -6.844 (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 | 18.71 | 18.71 (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.