All names: Gaia DR2 2712390869558148608, Gaia DR3 2712390869558148608, GALEX J224522.4+063817, 2MASS J22452252+0638169, LAMOST J224522.49+063817.2, WISE J224522.54+063816.9
| Parameter | Unit | Guo et al. 2015 | Simbad |
|---|---|---|---|
| Right ascension | 22 45 22.52 (0.08) | ||
| Declination | 06 38 16.96 (0.08) | ||
| Spectral type | DA+M | DA+M | |
| 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] | 4.09 (0.09) | |
| Distance | [pc] | 244.73 (6) | |
| Composition | |||
| Proper motion (right ascension) | [mas/yr] | 39.776 (0.09) | |
| Proper motion (declination) | [mas/yr] | -13.373 (0.09) | |
| Variability | |||
| Magnetic | |||
| Bd | [MG] | ||
| Infrared excess (disk) | |||
| Binarity | |||
| B magnitude | |||
| V magnitude | |||
| R magnitude | |||
| I magnitude | |||
| J magnitude | 14.68 (0.04) | ||
| H magnitude | 13.96 (0.05) | ||
| K magnitude | 13.94 (0.06) | ||
| u magnitude | 18.62 (0.02) | ||
| g magnitude | 17.96 (0.006) | ||
| r magnitude | 17.61 (0.006) | ||
| i magnitude | 16.71 (0.006) | ||
| z magnitude | 16.03 (0.008) | ||
| G magnitude | 17.18 (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.