QSO
d
proj
(kpc)
d
proj
/R
vir
log N
HI
/cm
-2
log N
SiII
/cm
-2
log N
CII
/cm
-2
log N
SiIII
/cm
-2
log N
SiIV
/cm
-2
log N
CIV
/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