All names: Gaia DR2 3184614380495016320, GALEX J044634.4-103618, Gaia DR3 3184614384791746816
| Parameter | Unit | Vincent et al. 2024 | Simbad |
|---|---|---|---|
| Right ascension | 04 46 34.44 | 04 46 34.42 (0.2) | |
| Declination | -10 36 19.51 | -10 36 19.64 (0.2) | |
| Spectral type | DB | DB | |
| Effective temperature | [K] | 12725.0 (727) | |
| log(g) | [cgs] | 7.82 (0.1) | |
| Mass | [M☉] | 0.487 (0.1) | |
| log(Luminosity) | [L☉] | ||
| Cooling age | [Gyr] | ||
| log(H/He) | |||
| log(C/He) | |||
| log(Ca/He) | |||
| log(Ca/H) | |||
| Parallax | [mas] | 2.89 | 2.89 (0.3) |
| Distance | [pc] | 346.13 | 346.13 (32) |
| Composition | |||
| Proper motion (right ascension) | [mas/yr] | 18.608 (0.3) | |
| Proper motion (declination) | [mas/yr] | 7.806 (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 | 19.17 | 19.17 (0.004) | |
| 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.