All names: WISE J220837.61+230326.0, TIC 283673232, Gaia DR2 1782981150958169088, Gaia DR3 1782981150958169088, SDSS J220837.62+230326.4, 2MASS J22083764+2303270, WISEA J220837.61+230326.0, UCAC4 566-126619
| Parameter | Unit | Vincent et al. 2024 | Simbad |
|---|---|---|---|
| Right ascension | 22 08 37.60 | 22 08 37.65 (0.04) | |
| Declination | 23 03 25.94 | 23 03 27.02 (0.05) | |
| Spectral type | DA | DA | |
| Effective temperature | [K] | 16477.0 (332) | |
| log(g) | [cgs] | 8.02 (0.02) | |
| Mass | [M☉] | 0.628 (0.01) | |
| log(Luminosity) | [L☉] | ||
| Cooling age | [Gyr] | ||
| log(H/He) | |||
| log(C/He) | |||
| log(Ca/He) | |||
| log(Ca/H) | |||
| Parallax | [mas] | 9.49 | 9.49 (0.05) |
| Distance | [pc] | 105.41 | 105.41 (0.6) |
| Composition | |||
| Proper motion (right ascension) | [mas/yr] | -43.657 (0.05) | |
| Proper motion (declination) | [mas/yr] | -67.597 (0.06) | |
| Variability | |||
| Magnetic | |||
| Bd | [MG] | ||
| Infrared excess (disk) | |||
| Binarity | |||
| B magnitude | 16.27 (0.06) | ||
| V magnitude | 16.38 (0.1) | ||
| R magnitude | |||
| I magnitude | |||
| J magnitude | 16.62 (0.1) | ||
| H magnitude | 16.44 (0.3) | ||
| K magnitude | |||
| u magnitude | 16.36 (0.007) | ||
| g magnitude | 16.13 (0.003) | ||
| r magnitude | 16.44 (0.004) | ||
| i magnitude | 16.69 (0.006) | ||
| z magnitude | 16.97 (0.01) | ||
| G magnitude | 16.30 | 16.30 (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.