All names: Gaia EDR3 6641757084602101248, UCAC4 174-202871, GALEX J193409.2-551650, 2MASS J19340925-5516499, Gaia DR3 6641757084602101248, Gaia DR2 6641757084602101248, EC 19301-5523, TIC 320055780, EC19301-5523
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 19 34 09.28 (0.04) | 19 34 09.12 | 19 34 09.27 (0.04) | ||
| Declination | -55 16 49.83 (0.04) | -55 16 49.80 | -55 16 49.75 (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] | 0.49 (0.05) | 0.48 (0.1) | 0.49 (0.05) | |
| Distance | [pc] | 2046.66 (217) | 2070.39 (456) | 2046.66 (217) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | 5.548 (0.04) | 5.486 (0.2) | 5.548 (0.04) | |
| Proper motion (declination) | [mas/yr] | -4.753 (0.03) | -4.633 (0.1) | -4.753 (0.04) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | 15.76 (0.1) | ||||
| V magnitude | 15.96 (0.09) | ||||
| R magnitude | 16.00 (0.1) | ||||
| I magnitude | |||||
| J magnitude | 16.49 (0.1) | 16.49 (0.1) | |||
| H magnitude | 16.41 (0.2) | 16.41 (0.2) | |||
| K magnitude | 15.78 (0.2) | 15.78 (0.2) | |||
| u magnitude | |||||
| g magnitude | 15.74 (0.07) | ||||
| r magnitude | 16.02 (0.08) | ||||
| i magnitude | |||||
| z magnitude | |||||
| G magnitude | 15.89 (0.003) | 15.92 (0.003) | 15.89 (0.003) | ||
| BP magnitude | 15.78 (0.005) | 15.71 (0.01) | |||
| RP magnitude | 16.12 (0.009) | 16.10 (0.01) | |||
| Pan g magnitude | |||||
| Pan r magnitude | |||||
| Pan i magnitude | |||||
| Pan z magnitude | |||||
| Pan y magnitude | |||||
| E(B-V) | 0.042 | ||||
* 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.