EGGR 291

Other names: WD 0840+262, TON 10

Parameter Unit Bergeron et al. 2011 Simbad
Right ascension 08 43 59.39
Declination 26 02 56.62
Spectral type DBA
Effective temperature [K] 17770
log(g) [cgs] 8.30
Mass [M] 0.78
log(Luminosity) [L] -2.01
Age [Gyr] 0.20
log(H/He) -3.98
log(C/He)
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]
Distance [pc] 49.00
Composition He
Proper motion (right ascension) [mas/yr] -115.0
Proper motion (declination) [mas/yr] -53.0
Variability
Magnetic
Has a disc
B magnitude 14.68
V magnitude 14.78 14.78
R magnitude
I magnitude
J magnitude 15.28
H magnitude 15.34
K magnitude 15.39
u magnitude 14.48
g magnitude 14.62
r magnitude 14.95
i magnitude 15.24
z magnitude 15.53

Spectra

Absorption lines

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