Other names: SDSS J204647.28+021805.5
Parameter | Unit | Simbad | Kleinman et al. 2013 |
---|---|---|---|
Right ascension | 20 46 47.28 | 20 46 47.28 | |
Declination | 02 18 05.50 | 02 18 05.49 | |
Spectral type | DB+M3 | DBM | |
Effective temperature | [K] | 15413 | |
log(g) | [cgs] | 8.28 | |
Mass | [M☉] | ||
log(Luminosity) | [L☉] | ||
Age | [Gyr] | ||
log(H/He) | |||
log(C/He) | |||
log(Ca/He) | |||
Parallax | [mas] | ||
Distance | [pc] | ||
Composition | |||
Proper motion (right ascension) | [mas/yr] | ||
Proper motion (declination) | [mas/yr] | ||
Variability | |||
Magnetic | |||
Has a disc | |||
B magnitude | |||
V magnitude | |||
R magnitude | |||
I magnitude | |||
J magnitude | 13.77 | ||
H magnitude | 13.20 | ||
K magnitude | 12.95 | ||
u magnitude | 17.19 | 17.19 | |
g magnitude | 17.08 | 17.08 | |
r magnitude | 16.68 | 16.68 | |
i magnitude | 15.77 | 15.77 | |
z magnitude | 15.14 | 15.14 |