All names: Gaia DR2 990916128476988928, Gaia DR3 990916128476988928, GALEX J064725.6+491542, ZTF17aabshnt, MASTER OT J064725.70+491543.9, 1RXS J064725.3+491539, CRTS CSS130906 J064726+491542
| Parameter | Unit | Vincent et al. 2024 | Simbad |
|---|---|---|---|
| Right ascension | 06 47 25.66 | 06 47 25.70 (0.08) | |
| Declination | 49 15 41.95 | 49 15 42.29 (0.09) | |
| Spectral type | DQ | DQ | |
| 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] | 3.50 | 3.50 (0.09) |
| Distance | [pc] | 285.36 | 285.36 (7) |
| Composition | |||
| Proper motion (right ascension) | [mas/yr] | -26.721 (0.09) | |
| Proper motion (declination) | [mas/yr] | -21.374 (0.09) | |
| 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 | 17.33 | 17.33 (0.01) | |
| 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.