All names: HE2322-4559, HE 2322-4559, 2MASS J23250895-4543054, Gaia DR3 6528475535463232512, GALEX J232508.9-454305, TIC 389752750, Gaia DR2 6528475535463232512
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 23 25 09.04 | 23 25 08.97 (0.02) | ||
| Declination | -45 43 06.49 | -45 43 05.48 (0.03) | ||
| Spectral type | sdB+MS? | sdB+G4 | ||
| Effective temperature | [K] | 25512.0 (0) | ||
| log(g) | [cgs] | 5.30 (0) | ||
| Mass | [M☉] | |||
| log(Luminosity) | [L☉] | |||
| Cooling age | [Gyr] | |||
| log(H/He) | ||||
| log(C/He) | ||||
| log(Ca/He) | ||||
| log(Ca/H) | ||||
| Parallax | [mas] | 0.38 (0.07) | 0.52 (0.04) | |
| Distance | [pc] | 2641.31 (459) | 1925.30 (142) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | 9.472 (0.06) | 9.065 (0.02) | |
| Proper motion (declination) | [mas/yr] | -5.903 (0.08) | -5.815 (0.03) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 15.50 | |||
| V magnitude | ||||
| R magnitude | ||||
| I magnitude | ||||
| J magnitude | 15.25 (0.06) | 15.25 (0.06) | ||
| H magnitude | 15.06 (0.09) | 15.06 (0.09) | ||
| K magnitude | 14.83 (0.1) | 14.83 (0.1) | ||
| u magnitude | ||||
| g magnitude | ||||
| r magnitude | ||||
| i magnitude | ||||
| z magnitude | ||||
| G magnitude | 15.24 (0.0005) | 15.23 (0.003) | ||
| BP magnitude | 15.10 (0.007) | |||
| RP magnitude | 15.33 (0.003) | |||
| Pan g magnitude | ||||
| Pan r magnitude | ||||
| Pan i magnitude | ||||
| Pan z magnitude | ||||
| Pan y magnitude | ||||
| E(B-V) | 0.009 | |||
* 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.