Table 10: Effect on line fluxes due to exclusion of PDR and cosmic ray background. ${\rm H}\beta =100$.
Label line model with flux model model
    PDR and obsd without without
    cosmic ray   PDR cosmic
          ray
${\rm H}_2$ 2.802 m 1.00 0.82 0.00 1.14
${\rm H}_2$ 3.234 m 0.64 0.55 0.00 0.71
${\rm H}_2$ 9.662 m 1.79 2.05 0.00 2.23
Fe 2 17.94 m 0.14 1.43 0.12 0.15
Fe 2 25.99 m 0.47 2.92 0.11 0.50
Si 2 34.81 m 17.50 11.67 2.12 18.40
O 1 63.17 m 36.17 77.30 4.42 37.55
N 2 121.7 m 0.50 1.97 0.49 0.50
O 1 145.5 m 4.99 $\leq$3.7 0.37 5.21
C 2 157.6 m 7.34 $\leq$4.2 1.03 7.39

Note: all other lines and abs. ${\rm H}\beta$ have the same fluxes in all models.

The "model with PDR and cosmic ray'' is our final model of Table 8.


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