QSO dproj (kpc) dproj/Rvir log NHI/cm-2 log NSiII/cm-2 log NCII/cm-2 log NSiIII/cm-2 log NSiIV/cm-2 log NCIV/cm-2
VII Zw 244 7.23±0.02 0.139 14.759–16.868 12.385 +0.101 -0.114 13.472 +0.05 -0.054 13.162 +0.041 -0.033 12.851 +0.028 -0.033 13.577 +0.041 -0.046