Other names: PG 1632+177
Parameter | Unit | Limoges et al. 2015 | Giammichele et al. 2012 | Gianninas et al. 2011 | Simbad |
---|---|---|---|---|---|
Right ascension | 16 34 41.50 | ||||
Declination | 17 36 32.04 | ||||
Spectral type | DA | DAZ | DA | ||
Effective temperature | [K] | 10030 | 10225 | 10220 | |
log(g) | [cgs] | 7.79 | 7.73 | 8.04 | |
Mass | [M☉] | 0.48 | 0.46 | 0.62 | |
log(Luminosity) | [L☉] | -2.70 | -2.64 | ||
Age | [Gyr] | 0.41 | |||
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] | ||||
Distance | [pc] | 19.00 | 18.70 | 15.00 | |
Composition | H | H | H | ||
Proper motion (right ascension) | [mas/yr] | 84.0 | |||
Proper motion (declination) | [mas/yr] | -28.0 | |||
Variability | |||||
Magnetic | |||||
Has a disc | |||||
B magnitude | 13.42 | ||||
V magnitude | 13.08 | 13.05 | |||
R magnitude | |||||
I magnitude | |||||
J magnitude | 13.05 | ||||
H magnitude | 12.99 | ||||
K magnitude | 13.08 | ||||
u magnitude | |||||
g magnitude | |||||
r magnitude | |||||
i magnitude | |||||
z magnitude |