Other names: WD 0429+176, HZ 9
Parameter | Unit | Limoges et al. 2015 | Gianninas et al. 2011 | Simbad | |
---|---|---|---|---|---|
Right ascension | 04 32 23.74 | ||||
Declination | 17 45 02.69 | ||||
Spectral type | DA+dM | DA | |||
Effective temperature | [K] | 17620 | 17620 | ||
log(g) | [cgs] | 8.02 | 8.02 | ||
Mass | [M☉] | 0.63 | 0.63 | ||
log(Luminosity) | [L☉] | -1.84 | |||
Age | [Gyr] | ||||
log(H/He) | |||||
log(C/He) | |||||
log(Ca/He) | |||||
log(C/H) | |||||
log(N/H) | |||||
log(O/H) | |||||
log(Na/H) | |||||
log(Mg/H) | |||||
log(Al/H) | |||||
log(Si/H) | |||||
log(P/H) | |||||
log(S/H) | |||||
log(Ca/H) | |||||
log(Sc/H) | |||||
log(Ti/H) | |||||
log(Cr/H) | |||||
log(Mn/H) | |||||
log(Fe/H) | |||||
log(Ni/H) | |||||
Parallax | [mas] | 20.00 | 20.10 | ||
Distance | [pc] | 50.00 | 39.00 | ||
Composition | H | H | |||
Proper motion (right ascension) | [mas/yr] | 108.1 | |||
Proper motion (declination) | [mas/yr] | -33.2 | |||
Variability | |||||
Magnetic | |||||
Has a disc | |||||
B magnitude | 14.28 | ||||
V magnitude | 13.93 | ||||
R magnitude | 14.21 | ||||
I magnitude | |||||
J magnitude | 10.75 | ||||
H magnitude | 10.16 | ||||
K magnitude | 9.91 | ||||
u magnitude | |||||
g magnitude | 14.08 | ||||
r magnitude | 13.88 | ||||
i magnitude | 12.94 | ||||
z magnitude |