All names: Gaia DR2 6671678609924553856, 2MASS J19592500-4706010, EC 19558-4714, TIC 128726280, Gaia DR3 6671678609924553856, GALEX J195924.9-470600, EC19558-4714, Gaia EDR3 6671678609924553856
Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
---|---|---|---|---|---|
Right ascension | 19 59 25.01 (0.04) | 19 59 24.99 | 19 59 25.00 (0.04) | ||
Declination | -47 06 00.93 (0.04) | -47 06 01.84 | -47 06 00.72 (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 (0.05) | 0.42 (0.09) | 0.50 (0.05) | |
Distance | [pc] | 2000.80 (217) | 2365.74 (488) | 2000.80 (217) | |
Composition | |||||
Proper motion (right ascension) | [mas/yr] | 2.6 (0.05) | 2.776 (0.1) | 2.6 (0.05) | |
Proper motion (declination) | [mas/yr] | -12.961 (0.05) | -13.142 (0.1) | -12.961 (0.05) | |
Variability | |||||
Magnetic | |||||
Bd | [MG] | ||||
Infrared excess (disk) | |||||
Binarity | |||||
B magnitude | 16.15 | ||||
V magnitude | 16.34 | ||||
R magnitude | |||||
I magnitude | |||||
J magnitude | 16.72 (0.1) | 16.72 (0.1) | |||
H magnitude | 16.40 (0.3) | 16.40 (0.3) | |||
K magnitude | 16.69 | ||||
u magnitude | |||||
g magnitude | |||||
r magnitude | |||||
i magnitude | |||||
z magnitude | |||||
G magnitude | 16.25 (0.003) | 16.28 (0.002) | 16.25 (0.003) | ||
BP magnitude | 16.14 (0.006) | 16.10 (0.008) | |||
RP magnitude | 16.46 (0.007) | 16.45 (0.004) | |||
Pan g magnitude | |||||
Pan r magnitude | |||||
Pan i magnitude | |||||
Pan z magnitude | |||||
Pan y magnitude | |||||
E(B-V) | 0.029 |
* 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.