EGGR 78

Other names: WD 1115-029, LHS 2392

Parameter Unit Dufour et al. 2005 Bergeron et al. 2001 Simbad
Right ascension 11 18 15.11
Declination -03 14 05.89
Spectral type DQ DQ
Effective temperature [K] 9270 10120
log(g) [cgs] 7.90 8.13
Mass [M] 0.52 0.66
log(Luminosity) [L] -2.90
Age [Gyr] 0.76
log(H/He)
log(C/He) -4.25
log(Ca/He)
log(N/He)
log(O/He)
log(Na/He)
log(Mg/He)
log(Al/He)
log(Si/He)
log(P/He)
log(S/He)
log(Cl/He)
log(Sc/He)
log(Ti/He)
log(V/He)
log(Cr/He)
log(Mn/He)
log(Fe/He)
log(Co/He)
log(Ni/He)
log(Cu/He)
log(Zn/He)
log(Ga/He)
log(Ge/He)
log(Sr/He)
Parallax [mas] 26.30 26.30
Distance [pc] 38.02
Composition He He
Proper motion (right ascension) [mas/yr] -520.0
Proper motion (declination) [mas/yr] 229.0
Variability
Magnetic no
Has a disc
B magnitude 15.42 15.39
V magnitude 15.34 15.40
R magnitude 15.25
I magnitude 15.17
J magnitude 15.23 15.30
H magnitude 15.27 15.25
K magnitude 15.29 15.73
u magnitude
g magnitude
r magnitude
i magnitude
z magnitude

Spectra

Absorption lines

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