All names: GALEX J223843.6-040730, Gaia DR2 2625130126379502208, PHL 358, 2MASS J22384368-0407292, UCAC4 430-119983, uvby98 610160358, PHL358, Gaia DR3 2625130126379502208
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 22 38 43.69 | 22 38 43.69 (0.03) | ||
| Declination | -04 07 27.50 | -04 07 29.07 (0.03) | ||
| Spectral type | sdB | sdB | ||
| 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] | 1.16 (0.07) | 1.10 (0.04) | |
| Distance | [pc] | 864.60 (50) | 909.67 (31) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | -9.06 (0.1) | -9.098 (0.04) | |
| Proper motion (declination) | [mas/yr] | -7.247 (0.09) | -7.341 (0.04) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 13.95 (0.01) | |||
| V magnitude | 13.90 (0.01) | |||
| R magnitude | 14.48 (0.1) | |||
| I magnitude | ||||
| J magnitude | 14.62 (0.04) | 14.62 (0.04) | ||
| H magnitude | 14.76 (0.07) | 14.76 (0.07) | ||
| K magnitude | 14.76 (0.1) | 14.76 (0.1) | ||
| u magnitude | 13.79 (0.003) | |||
| g magnitude | 13.88 (0.002) | 13.97 (0.03) | ||
| r magnitude | 14.29 (0.003) | 14.04 (0.01) | ||
| i magnitude | 14.60 (0.003) | 14.40 (0.03) | ||
| z magnitude | 14.90 (0.005) | |||
| G magnitude | 14.10 (0.001) | 14.08 (0.003) | ||
| BP magnitude | 13.96 (0.008) | |||
| RP magnitude | 14.29 (0.004) | |||
| Pan g magnitude | 13.94 (0.001) | |||
| Pan r magnitude | 14.30 (0.003) | |||
| Pan i magnitude | 14.63 (0.003) | |||
| Pan z magnitude | 14.88 (0.003) | |||
| Pan y magnitude | 15.05 (0.003) | |||
| E(B-V) | 0.054 | |||
* 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.