All names: Gaia DR3 6685259502673108736, EC19472-4342, UCAC4 233-180155, 2MASS J19504833-4334370, WISE J195048.32-433436.9, TIC 80057233, EC 19472-4342, Gaia DR2 6685259502673108736
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 19 50 48.33 | 19 50 48.33 (0.03) | ||
| Declination | -43 34 35.80 | -43 34 37.13 (0.03) | ||
| Spectral type | sdB+F | F+sd? | ||
| 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] | 0.30 (0.05) | 0.28 (0.04) | |
| Distance | [pc] | 3312.36 (541) | 3561.25 (479) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | 3.778 (0.09) | 3.823 (0.03) | |
| Proper motion (declination) | [mas/yr] | -0.365 (0.07) | -0.312 (0.03) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 15.88 (0.07) | |||
| V magnitude | 16.07 (0.01) | |||
| R magnitude | 16.07 (0.2) | |||
| I magnitude | ||||
| J magnitude | 15.20 (0.06) | 15.20 (0.06) | ||
| H magnitude | 14.90 (0.07) | 14.90 (0.07) | ||
| K magnitude | 15.16 (0.1) | 15.16 (0.1) | ||
| u magnitude | ||||
| g magnitude | 15.89 (0.01) | |||
| r magnitude | 15.93 (0.01) | |||
| i magnitude | ||||
| z magnitude | ||||
| G magnitude | 15.79 (0.0008) | 15.77 (0.003) | ||
| BP magnitude | 15.86 (0.004) | |||
| RP magnitude | 15.54 (0.005) | |||
| Pan g magnitude | ||||
| Pan r magnitude | ||||
| Pan i magnitude | ||||
| Pan z magnitude | ||||
| Pan y magnitude | ||||
| E(B-V) | 0.035 | |||
* 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.