Other names: SDSS J083945.56+200015.8
Parameter | Unit | SDSS DR12 | Simbad | Kleinman et al. 2013 |
---|---|---|---|---|
Right ascension | 08 39 45.56 | 08 39 45.56 | 08 39 45.56 | |
Declination | 20 00 15.73 | 20 00 15.73 | 20 00 15.76 | |
Spectral type | DAH | DAH | ||
Effective temperature | [K] | 17326 | ||
log(g) | [cgs] | 9.02 | ||
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] | -33.0 | ||
Proper motion (declination) | [mas/yr] | -16.0 | ||
Variability | ||||
Magnetic | yes | |||
Has a disc | ||||
B magnitude | ||||
V magnitude | ||||
R magnitude | ||||
I magnitude | ||||
J magnitude | ||||
H magnitude | ||||
K magnitude | ||||
u magnitude | 18.12 | 18.13 | 18.13 | |
g magnitude | 17.83 | 17.84 | 17.84 | |
r magnitude | 18.10 | 18.11 | 18.11 | |
i magnitude | 18.37 | 18.38 | 18.38 | |
z magnitude | 18.66 | 18.66 | 18.66 |