All names: UCAC4 111-123746, 2MASS J19401849-6758508, Gaia DR2 6426999270875065472, Gaia DR3 6426999270875065472, TIC 466099361, EC 19352-6805, Gaia EDR3 6426999339592991872, GALEX J194018.4-675849, EC19352-6805
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 19 40 09.52 (0.4) | 19 40 18.47 | 19 40 18.48 (0.02) | ||
| Declination | -67 58 24.75 (0.7) | -67 58 51.20 | -67 58 50.79 (0.03) | ||
| Spectral type | sdB | 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] | 1.77 (0.9) | 0.30 (0.05) | 0.38 (0.04) | |
| Distance | [pc] | 564.08 (280) | 3320.05 (551) | 2619.86 (266) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | 4.252 (0.6) | 3.905 (0.05) | 3.728 (0.02) | |
| Proper motion (declination) | [mas/yr] | -10.171 (0.9) | -2.782 (0.07) | -2.764 (0.04) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | 16.41 (0.06) | ||||
| V magnitude | 16.08 (0.01) | ||||
| R magnitude | 16.22 (0.5) | ||||
| I magnitude | |||||
| J magnitude | 15.36 | ||||
| H magnitude | 15.05 | ||||
| K magnitude | 14.94 (0.1) | 14.94 (0.1) | |||
| u magnitude | |||||
| g magnitude | 16.26 (0.01) | ||||
| r magnitude | 15.88 (0.01) | ||||
| i magnitude | |||||
| z magnitude | |||||
| G magnitude | 20.63 (0.006) | 16.02 (0.0008) | 16.01 (0.003) | ||
| BP magnitude | 20.84 (0.06) | 16.16 (0.004) | |||
| RP magnitude | 20.18 (0.06) | 15.71 (0.003) | |||
| Pan g magnitude | |||||
| Pan r magnitude | |||||
| Pan i magnitude | |||||
| Pan z magnitude | |||||
| Pan y magnitude | |||||
| E(B-V) | 0.059 | ||||
* 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.