Table 5: Intensities and full width at half maximum ( FWHM) of the main emission lines in the spectrum of LBQS 2212-1759; all intensities are in units of ${\rm 10^{-16}~erg~cm^{-2}~s^{-1}}$ and have been corrected for galactic extinction. Their uncertainties are typically 10%. The FWHM are expressed in ${\rm km~s^{-1}}$ and have an uncertainty of ${\rm \pm50~km~s^{-1}}$.
Line ID Flux FWHM
H-Ly $_{\alpha}\lambda$1216 204 1610
NV$\lambda $1240 132 4780
SiIV$\lambda $1397 50 3600
CIV$\lambda $1549 33 2790
HeII$\lambda $1640 ${\leq}$4 -
NIII]$\lambda $1750 25 2780
CIII]$\lambda $1909 49 5150
MgII$\lambda $2798 41 2590


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