All names: Gaia EDR3 6373401171396546304, Gaia DR3 6373401171396546304, JL 64, Gaia DR2 6373401171396546304, 2MASS J20492088-7207473, EC20441-7218, EC 20441-7218, TIC 401571350
Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
---|---|---|---|---|---|
Right ascension | 20 49 20.86 (0.03) | 20 49 20.84 | 20 49 20.86 (0.03) | ||
Declination | -72 07 47.79 (0.04) | -72 07 48.18 | -72 07 47.60 (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] | 0.45 (0.05) | 0.42 (0.08) | 0.45 (0.05) | |
Distance | [pc] | 2202.16 (262) | 2392.92 (454) | 2202.16 (262) | |
Composition | |||||
Proper motion (right ascension) | [mas/yr] | 0.951 (0.05) | 0.728 (0.1) | 0.951 (0.05) | |
Proper motion (declination) | [mas/yr] | -12.264 (0.06) | -12.267 (0.1) | -12.264 (0.06) | |
Variability | |||||
Magnetic | |||||
Bd | [MG] | ||||
Infrared excess (disk) | |||||
Binarity | |||||
B magnitude | 16.42 | ||||
V magnitude | 16.81 | ||||
R magnitude | |||||
I magnitude | |||||
J magnitude | 16.86 (0.1) | 16.86 (0.1) | |||
H magnitude | 16.66 | ||||
K magnitude | 17.11 | ||||
u magnitude | |||||
g magnitude | |||||
r magnitude | |||||
i magnitude | |||||
z magnitude | |||||
G magnitude | 16.60 (0.003) | 16.63 (0.002) | 16.60 (0.003) | ||
BP magnitude | 16.47 (0.005) | 16.41 (0.009) | |||
RP magnitude | 16.86 (0.007) | 16.85 (0.01) | |||
Pan g magnitude | |||||
Pan r magnitude | |||||
Pan i magnitude | |||||
Pan z magnitude | |||||
Pan y magnitude | |||||
E(B-V) | 0.038 |
* 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.