GJ 1027

Other names: WD 0101+048, 01038+0504, G1-45, LTT 10380

Parameter Unit Limoges et al. 2015 Giammichele et al. 2012 Gianninas et al. 2011 Bergeron et al. 2001 Simbad
Right ascension 01 03 49.94
Declination 05 04 30.68
Spectral type DA DA DA DA
Effective temperature [K] 8480 8062 8580 8080
log(g) [cgs] 8.17 7.54 8.37 7.55
Mass [M] 0.70 0.36 0.83 0.37
log(Luminosity) [L] -3.22 -2.96 -2.96
Age [Gyr] 0.63 0.63
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] 46.90 46.90 46.90 45.00
Distance [pc] 21.30 21.30 13.00 21.32
Composition H H H H
Proper motion (right ascension) [mas/yr] 320.0
Proper motion (declination) [mas/yr] 232.0
Variability NOV
Magnetic no
Has a disc
B magnitude 14.26 14.26 14.24
V magnitude 14.00 14.00 14.10
R magnitude 13.83 13.83 13.70
I magnitude 13.66 13.66 13.20
J magnitude 13.51 13.51 13.50
H magnitude 13.39 13.39 13.40
K magnitude 13.38 13.38 13.42
u magnitude
g magnitude
r magnitude
i magnitude
z magnitude

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