All names: UCAC4 199-177816, Gaia DR3 6669943541920078592, TIC 166395799, 2MASS J19521714-5014347, Gaia DR2 6669943541920078592, EC19485-5022, GALEX J195217.1-501435, BPS CS 30302-0056, EC 19485-5022
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 19 52 17.14 | 19 52 17.18 (0.04) | ||
| Declination | -50 14 35.52 | -50 14 35.31 (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] | 0.39 (0.09) | 0.47 (0.04) | |
| Distance | [pc] | 2540.65 (576) | 2133.56 (204) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | -1.258 (0.1) | -1.313 (0.05) | |
| Proper motion (declination) | [mas/yr] | -1.677 (0.07) | -1.692 (0.04) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 15.52 | |||
| V magnitude | 15.84 | |||
| R magnitude | 15.43 | |||
| I magnitude | ||||
| J magnitude | 16.23 (0.1) | 16.23 (0.1) | ||
| H magnitude | 16.18 (0.3) | 16.18 (0.3) | ||
| K magnitude | 16.36 | |||
| u magnitude | ||||
| g magnitude | ||||
| r magnitude | ||||
| i magnitude | ||||
| z magnitude | ||||
| G magnitude | 15.76 (0.0009) | 15.74 (0.003) | ||
| BP magnitude | 15.57 (0.008) | |||
| RP magnitude | 15.99 (0.004) | |||
| Pan g magnitude | ||||
| Pan r magnitude | ||||
| Pan i magnitude | ||||
| Pan z magnitude | ||||
| Pan y magnitude | ||||
| E(B-V) | 0.032 | |||
* 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.