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Table 1.

Parameters for the broad-line region and clouds.

Parameter Value
Black hole mass MBH = 107M
Wind mass-loss rate  = 100 cr
Wind solid angle Ωw = π sr
Wind velocity(†) vw = 0.05 c
Broad-line region radius(‡) RBLR = 1.5 × 1016 cm
Broad-line region filling factor(□) fBLR = 10−6
Cloud size(⋄) Rc = 3.2 × 1011 cm
Cloud density(⋄) nc = 1010 cm−3
Cloud velocity(∇) vc = 3.5 × 108 cm s−1
Bowshock-cloud separation(⊕) Z = 0.3 Rc

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