All names: GALEX J224006.4-322959, Gaia DR2 6606802922758408576, EC 22372-3245, Gaia DR3 6606802922758408576, EC22372-3245, 2MASS J22400650-3229599, PHL 2031, UCAC4 288-225580
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 22 40 06.43 | 22 40 06.50 (0.04) | ||
| Declination | -32 30 00.97 | -32 29 59.92 (0.04) | ||
| Spectral type | sdB+F | sdB+F | ||
| 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] | 0.16 (0.08) | 0.26 (0.05) | |
| Distance | [pc] | 6385.70 (3385) | 3883.50 (799) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | -3.813 (0.2) | -3.959 (0.05) | |
| Proper motion (declination) | [mas/yr] | -5.668 (0.1) | -5.685 (0.05) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 17.30 | |||
| V magnitude | ||||
| R magnitude | 16.24 (0.2) | |||
| I magnitude | ||||
| J magnitude | 15.70 (0.07) | 15.70 (0.07) | ||
| H magnitude | 15.50 (0.1) | 15.50 (0.1) | ||
| K magnitude | 15.35 (0.2) | 15.35 (0.2) | ||
| u magnitude | ||||
| g magnitude | ||||
| r magnitude | ||||
| i magnitude | ||||
| z magnitude | ||||
| G magnitude | 16.38 (0.001) | 16.36 (0.003) | ||
| BP magnitude | 16.48 (0.009) | |||
| RP magnitude | 16.13 (0.004) | |||
| Pan g magnitude | 16.58 | |||
| Pan r magnitude | 16.41 | |||
| Pan i magnitude | 16.46 (0.004) | |||
| Pan z magnitude | 16.45 | |||
| Pan y magnitude | 16.49 | |||
| E(B-V) | 0.011 | |||
* 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.