All names: GALEX J221102.5-002432, SDSS J221102.56-002433.5, 2MASS J22110255-0024337, TIC 248032189, Gaia DR2 2678806359902202624, LAMOST J221102.56-002433.5, Gaia DR3 2678806359902202624
| Parameter | Unit | Guo et al. 2015 | Simbad |
|---|---|---|---|
| Right ascension | 22 11 02.56 (0.1) | ||
| Declination | -00 24 33.65 (0.09) | ||
| 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] | 2.73 (0.1) | |
| Distance | [pc] | 366.56 (19) | |
| Composition | |||
| Proper motion (right ascension) | [mas/yr] | 23.38 (0.1) | |
| Proper motion (declination) | [mas/yr] | -1.384 (0.1) | |
| Variability | |||
| Magnetic | |||
| Bd | [MG] | ||
| Infrared excess (disk) | |||
| Binarity | |||
| B magnitude | |||
| V magnitude | |||
| R magnitude | |||
| I magnitude | |||
| J magnitude | 15.15 (0.05) | ||
| H magnitude | 14.50 (0.05) | ||
| K magnitude | 14.35 (0.09) | ||
| u magnitude | 18.63 (0.02) | ||
| g magnitude | 18.31 (0.007) | ||
| r magnitude | 17.94 (0.007) | ||
| i magnitude | 16.99 (0.006) | ||
| z magnitude | 16.42 (0.009) | ||
| G magnitude | 17.50 (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.