All names: UCAC4 200-005195, Gaia DR3 4785371300422067072, EC 04566-5006, EC04566-5006, GALEX J045755.8-500145, 2MASS J04575589-5001453, TIC 259703409, Gaia DR2 4785371300422067072
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 04 57 55.88 | 04 57 55.90 (0.02) | ||
| Declination | -50 01 45.05 | -50 01 45.39 (0.03) | ||
| Spectral type | sdB+MS | 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] | 0.43 (0.04) | 0.35 (0.03) | |
| Distance | [pc] | 2321.26 (213) | 2883.51 (244) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | 2.024 (0.07) | 1.935 (0.03) | |
| Proper motion (declination) | [mas/yr] | 4.157 (0.1) | 4.034 (0.04) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 15.98 (0.04) | |||
| V magnitude | 15.81 (0.05) | |||
| R magnitude | 15.76 (0.3) | |||
| I magnitude | ||||
| J magnitude | 15.11 (0.05) | 15.11 (0.05) | ||
| H magnitude | 14.85 (0.07) | 14.85 (0.07) | ||
| K magnitude | 14.75 (0.1) | 14.75 (0.1) | ||
| u magnitude | ||||
| g magnitude | 15.80 (0.02) | |||
| r magnitude | 15.81 (0.05) | |||
| i magnitude | 15.98 (0.01) | |||
| z magnitude | ||||
| G magnitude | 15.72 (0.0007) | 15.71 (0.003) | ||
| BP magnitude | 15.81 (0.004) | |||
| RP magnitude | 15.49 (0.003) | |||
| Pan g magnitude | ||||
| Pan r magnitude | ||||
| Pan i magnitude | ||||
| Pan z magnitude | ||||
| Pan y magnitude | ||||
| E(B-V) | 0.013 | |||
* 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.