All names: Gaia DR2 4187984436662254080, GALEX J193319.3-104618, Gaia DR3 4187984436662254080
| Parameter | Unit | Vincent et al. 2024 | Simbad |
|---|---|---|---|
| Right ascension | 19 33 19.35 | 19 33 19.34 (0.1) | |
| Declination | -10 46 18.73 | -10 46 18.60 (0.1) | |
| Spectral type | DC | DC | |
| Effective temperature | [K] | 9640.0 (377) | |
| log(g) | [cgs] | 7.47 (0.08) | |
| Mass | [M☉] | 0.327 (0.04) | |
| log(Luminosity) | [L☉] | ||
| Cooling age | [Gyr] | ||
| log(H/He) | |||
| log(C/He) | |||
| log(Ca/He) | |||
| log(Ca/H) | |||
| Parallax | [mas] | 4.90 | 4.90 (0.2) |
| Distance | [pc] | 204.00 | 204.00 (6) |
| Composition | |||
| Proper motion (right ascension) | [mas/yr] | 6.867 (0.2) | |
| Proper motion (declination) | [mas/yr] | -8.193 (0.1) | |
| 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 | 18.32 | 18.32 (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.