All names: TIC 300401888, GALEX J195439.0-380522, EC19513-3813, 2MASS J19543904-3805225, Gaia DR3 6691830111146008576, Gaia DR2 6691830111146008576, UCAC4 260-191875, EC 19513-3813
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 19 54 39.03 | 19 54 39.04 (0.03) | ||
| Declination | -38 05 21.59 | -38 05 22.56 (0.02) | ||
| Spectral type | sdB+F | sdB+F | ||
| 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] | 0.28 (0.05) | 0.36 (0.04) | |
| Distance | [pc] | 3516.17 (590) | 2760.14 (277) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | -1.041 (0.07) | -1.194 (0.03) | |
| Proper motion (declination) | [mas/yr] | -7.203 (0.05) | -7.251 (0.02) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 15.83 | |||
| V magnitude | 15.62 | |||
| R magnitude | 15.90 (0.2) | |||
| I magnitude | ||||
| J magnitude | 14.86 (0.03) | 14.86 (0.03) | ||
| H magnitude | 14.67 (0.07) | 14.67 (0.07) | ||
| K magnitude | 14.48 (0.08) | 14.48 (0.08) | ||
| u magnitude | ||||
| g magnitude | ||||
| r magnitude | ||||
| i magnitude | ||||
| z magnitude | ||||
| G magnitude | 15.51 (0.0007) | 15.50 (0.003) | ||
| BP magnitude | 15.60 (0.005) | |||
| RP magnitude | 15.24 (0.003) | |||
| Pan g magnitude | ||||
| Pan r magnitude | ||||
| Pan i magnitude | ||||
| Pan z magnitude | ||||
| Pan y magnitude | ||||
| E(B-V) | 0.077 | |||
* 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.