All names: Gaia DR2 6644387872330929792, UCAC2 8670828, Gaia DR3 6644387872330929792, GALEXJ19097-5344, WISEA J190942.37-534414.2, WISE J190942.37-534414.1, TIC 158235404, DENIS J190942.3-534414, GALEX J190942.4-534416, UCAC4 182-208452, 2MASS J19094237-5344143
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 19 09 42.41 | 19 09 42.37 (0.02) | ||
| Declination | -53 44 16.28 | -53 44 14.32 (0.02) | ||
| 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] | 1.05 (0.06) | 1.02 (0.03) | |
| Distance | [pc] | 950.66 (51) | 980.78 (26) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | -2.72 (0.08) | -2.756 (0.02) | |
| Proper motion (declination) | [mas/yr] | 5.27 (0.06) | 5.136 (0.02) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | ||||
| V magnitude | ||||
| R magnitude | 11.82 (0.05) | |||
| I magnitude | 11.37 (0.02) | |||
| J magnitude | 11.16 (0.02) | 11.16 (0.02) | ||
| H magnitude | 11.03 (0.02) | 11.03 (0.02) | ||
| K magnitude | 11.02 (0.02) | 11.02 (0.02) | ||
| u magnitude | ||||
| g magnitude | ||||
| r magnitude | ||||
| i magnitude | ||||
| z magnitude | ||||
| G magnitude | 11.64 (0.0007) | 11.63 (0.003) | ||
| BP magnitude | 11.74 (0.003) | |||
| RP magnitude | 11.43 (0.001) | |||
| Pan g magnitude | ||||
| Pan r magnitude | ||||
| Pan i magnitude | ||||
| Pan z magnitude | ||||
| Pan y magnitude | ||||
| E(B-V) | 0.049 | |||
* 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.