Other names: WD 0213+396, 02162+3951, GD 25
Parameter | Unit | Limoges et al. 2015 | Giammichele et al. 2012 | Gianninas et al. 2011 | Simbad |
---|---|---|---|---|---|
Right ascension | 02 16 16.37 | ||||
Declination | 39 51 25.60 | ||||
Spectral type | DA | DA | DA | ||
Effective temperature | [K] | 9230 | 9374 | 9370 | |
log(g) | [cgs] | 8.38 | 8.32 | 8.63 | |
Mass | [M☉] | 0.84 | 0.80 | 1.00 | |
log(Luminosity) | [L☉] | -3.20 | -3.14 | ||
Age | [Gyr] | 1.17 | |||
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] | 19.60 | 20.90 | 16.00 | |
Composition | H | H | H | ||
Proper motion (right ascension) | [mas/yr] | -162.0 | |||
Proper motion (declination) | [mas/yr] | -94.0 | |||
Variability | NOV | ||||
Magnetic | |||||
Has a disc | |||||
B magnitude | 14.77 | ||||
V magnitude | 14.54 | 14.54 | |||
R magnitude | 14.60 | ||||
I magnitude | 13.90 | ||||
J magnitude | 14.30 | ||||
H magnitude | 14.22 | ||||
K magnitude | 14.14 | ||||
u magnitude | |||||
g magnitude | |||||
r magnitude | |||||
i magnitude | |||||
z magnitude |