GJ 781.3

Other names: WD 2007-219, LTT 7983

Parameter Unit Gianninas et al. 2011 Simbad
Right ascension 20 10 17.51
Declination -21 46 45.19
Spectral type DA
Effective temperature [K] 10030
log(g) [cgs] 8.23
Mass [M] 0.74
log(Luminosity) [L]
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]
Distance [pc] 24.00
Composition H
Proper motion (right ascension) [mas/yr] 104.0
Proper motion (declination) [mas/yr] -314.0
Variability
Magnetic
Has a disc
B magnitude 14.60
V magnitude 14.58
R magnitude 14.50
I magnitude
J magnitude 14.20
H magnitude 14.20
K magnitude 14.26
u magnitude
g magnitude
r magnitude
i magnitude
z magnitude

Spectra

Absorption lines

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