All names: WISE J222739.03-560839.6, DENIS J222738.9-560839, 2MASS J22273892-5608397, Gaia DR2 6504868264900174080, TIC 219331395, UCAC4 170-209394, WISEA J222739.03-560839.6, Gaia DR3 6504868264900174080
| Parameter | Unit | Vincent et al. 2024 | Simbad |
|---|---|---|---|
| Right ascension | 22 27 39.10 | 22 27 38.95 (0.02) | |
| Declination | -56 08 39.71 | -56 08 39.72 (0.03) | |
| Spectral type | DA | DA | |
| Effective temperature | [K] | 21444.0 (276) | |
| log(g) | [cgs] | 7.97 (0.01) | |
| Mass | [M☉] | 0.609 (0.009) | |
| log(Luminosity) | [L☉] | ||
| Cooling age | [Gyr] | ||
| log(H/He) | |||
| log(C/He) | |||
| log(Ca/He) | |||
| log(Ca/H) | |||
| Parallax | [mas] | 9.72 | 9.72 (0.04) |
| Distance | [pc] | 102.88 | 102.88 (0.4) |
| Composition | |||
| Proper motion (right ascension) | [mas/yr] | 74.145 (0.03) | |
| Proper motion (declination) | [mas/yr] | 0.576 (0.04) | |
| Variability | |||
| Magnetic | |||
| Bd | [MG] | ||
| Infrared excess (disk) | |||
| Binarity | |||
| B magnitude | 15.58 (0.03) | ||
| V magnitude | 15.62 (0.04) | ||
| R magnitude | 15.88 (0.2) | ||
| I magnitude | 15.88 (0.07) | ||
| J magnitude | 16.18 (0.1) | ||
| H magnitude | 16.07 (0.2) | ||
| K magnitude | |||
| u magnitude | |||
| g magnitude | |||
| r magnitude | 15.84 (0.03) | ||
| i magnitude | |||
| z magnitude | |||
| G magnitude | 15.68 | 15.68 (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.