All names: PSO J335.9933-25.1787, WISE J222358.39-251043.5, Gaia DR2 6625468025993283200, GALEX J222358.3-251043, EC 22211-2525, TIC 2028332472, Gaia DR3 6625468025993283200, TIC 471013672
| Parameter | Unit | Vincent et al. 2024 | Simbad |
|---|---|---|---|
| Right ascension | 22 23 58.41 | 22 23 58.39 (0.05) | |
| Declination | -25 10 43.61 | -25 10 43.57 (0.04) | |
| Spectral type | DB | sdBHe | |
| Effective temperature | [K] | 16372.0 (462) | |
| log(g) | [cgs] | 8.06 (0.03) | |
| Mass | [M☉] | 0.625 (0.03) | |
| log(Luminosity) | [L☉] | ||
| Cooling age | [Gyr] | ||
| log(H/He) | |||
| log(C/He) | |||
| log(Ca/He) | |||
| log(Ca/H) | |||
| Parallax | [mas] | 9.14 | 9.14 (0.06) |
| Distance | [pc] | 109.42 | 109.42 (0.8) |
| Composition | |||
| Proper motion (right ascension) | [mas/yr] | 19.019 (0.06) | |
| Proper motion (declination) | [mas/yr] | -2.669 (0.05) | |
| 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 | 16.25 (0.004) | ||
| r magnitude | 16.51 (0.004) | ||
| i magnitude | 16.77 (0.003) | ||
| z magnitude | 17.00 (0.01) | ||
| G magnitude | 16.34 | 16.34 (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.