All names: Gaia DR3 6669933611955633536, TIC 355340132, Gaia EDR3 6669933341372560384, 2MASS J19500273-5016538, GALEX J195002.7-501653, EC 19462-5024, Gaia DR2 6669933611955633536, EC19462-5024
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 19 50 06.44 (0.2) | 19 50 02.59 | 19 50 02.73 (0.04) | ||
| Declination | -50 18 13.47 (0.3) | -50 16 53.26 | -50 16 53.90 (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] | 1.91 (0.3) | 0.26 (0.07) | 0.25 (0.06) | |
| Distance | [pc] | 522.96 (83) | 3894.08 (1110) | 3952.57 (866) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | -4.609 (0.3) | 2.506 (0.1) | 2.445 (0.05) | |
| Proper motion (declination) | [mas/yr] | -34.889 (0.3) | -6.859 (0.09) | -6.691 (0.05) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | 16.38 | ||||
| V magnitude | 16.56 | ||||
| R magnitude | |||||
| I magnitude | |||||
| J magnitude | 16.40 (0.1) | 16.40 (0.1) | |||
| H magnitude | 16.13 (0.2) | 16.13 (0.2) | |||
| K magnitude | 16.05 | ||||
| u magnitude | |||||
| g magnitude | |||||
| r magnitude | |||||
| i magnitude | |||||
| z magnitude | |||||
| G magnitude | 19.47 (0.005) | 16.45 (0.002) | 16.42 (0.003) | ||
| BP magnitude | 19.69 (0.05) | 16.29 (0.01) | |||
| RP magnitude | 18.80 (0.06) | 16.54 (0.005) | |||
| Pan g magnitude | |||||
| Pan r magnitude | |||||
| Pan i magnitude | |||||
| Pan z magnitude | |||||
| Pan y magnitude | |||||
| E(B-V) | 0.032 | ||||
* 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.