All names: TIC 471013489, EC19512-5250, TIC 1924093860, Gaia DR2 6666454761461308800, Gaia EDR3 6666454761461308800, GALEX J195506.9-524227, Gaia DR3 6666454761461308800, EC 19512-5250, UCAC4 187-200879
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 19 55 06.84 (0.05) | 19 55 06.83 | 19 55 06.84 (0.05) | ||
| Declination | -52 42 27.97 (0.04) | -52 42 28.80 | -52 42 27.89 (0.04) | ||
| 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] | 0.50 (0.08) | 0.65 (0.2) | 0.50 (0.08) | |
| Distance | [pc] | 2017.35 (322) | 1531.86 (358) | 2017.35 (322) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | -4.625 (0.07) | -4.842 (0.1) | -4.625 (0.07) | |
| Proper motion (declination) | [mas/yr] | -4.746 (0.05) | -4.824 (0.1) | -4.746 (0.05) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | 15.99 | ||||
| V magnitude | 16.16 | ||||
| R magnitude | 16.04 (0.1) | ||||
| I magnitude | |||||
| J magnitude | |||||
| H magnitude | |||||
| K magnitude | |||||
| u magnitude | |||||
| g magnitude | |||||
| r magnitude | |||||
| i magnitude | |||||
| z magnitude | |||||
| G magnitude | 16.18 (0.003) | 16.20 (0.002) | 16.18 (0.003) | ||
| BP magnitude | 16.06 (0.004) | 16.00 (0.008) | |||
| RP magnitude | 16.42 (0.006) | 16.41 (0.006) | |||
| Pan g magnitude | |||||
| Pan r magnitude | |||||
| Pan i magnitude | |||||
| Pan z magnitude | |||||
| Pan y magnitude | |||||
| E(B-V) | 0.033 | ||||
* 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.