Table 2: Comparison between two sets of model runs for coronene (C24H12) in different exciting RFs. For each model run and each band, we list the absolute integrated flux and, in parentheses, the flux fraction.
  ISRF Red Rectangle IRAS 21282+5050
Peak model 1a model 2b model 1a model 2b model 1a model 2b
($\mu$m) (Wsr-1) (%) (Wsr-1) (%) (Wsr-1) (%) (Wsr-1) (%) (Wsr-1) (%) (Wsr-1) (%)

3.26		 $3.8 \times 10^{-27}$ (37.96) $3.9 \times 10^{-27}$ (38.15) $5.8 \times 10^{-26}$ (24.76) $6.3 \times 10^{-26}$ (25.36) $4.3 \times 10^{-22}$ (46.68) $4.2 \times 10^{-22}$ (46.50)
3.29 $2.6 \times 10^{-28}$ (2.58) $2.6 \times 10^{-28}$ (2.56) $4.0 \times 10^{-27}$ (1.72) $4.2 \times 10^{-27}$ (1.70) $2.9 \times 10^{-23}$ (3.18) $2.9 \times 10^{-23}$ (3.16)
6.24 $5.2 \times 10^{-28}$ (5.15) $5.4 \times 10^{-28}$ (5.21) $1.3 \times 10^{-26}$ (5.47) $1.4 \times 10^{-26}$ (5.51) $4.6 \times 10^{-23}$ (5.01) $4.5 \times 10^{-23}$ (5.00)
6.69 $9.2 \times 10^{-30}$ (0.09) $9.7 \times 10^{-30}$ (0.09) $2.4 \times 10^{-28}$ (0.10) $2.6 \times 10^{-28}$ (0.11) $8.0 \times 10^{-25}$ (0.09) $6.9 \times 10^{-25}$ (0.08)
7.21 $1.1 \times 10^{-28}$ (1.07) $1.1 \times 10^{-28}$ (1.08) $2.8 \times 10^{-27}$ (1.22) $3.1 \times 10^{-27}$ (1.24) $9.1 \times 10^{-24}$ (0.99) $8.8 \times 10^{-24}$ (0.97)
7.63 $6.6 \times 10^{-28}$ (6.59) $7.0 \times 10^{-28}$ (6.77) $1.7 \times 10^{-26}$ (7.49) $1.9 \times 10^{-26}$ (7.73) $5.5 \times 10^{-23}$ (6.05) $5.5 \times 10^{-23}$ (6.10)
8.25 $3.0 \times 10^{-28}$ (2.92) $3.0 \times 10^{-28}$ (2.93) $8.0 \times 10^{-27}$ (3.42) $8.7 \times 10^{-27}$ (3.53) $2.4 \times 10^{-23}$ (2.63) $2.4 \times 10^{-23}$ (2.64)
8.78 $3.1 \times 10^{-28}$ (3.10) $3.3 \times 10^{-28}$ (3.21) $8.8 \times 10^{-27}$ (3.79) $9.5 \times 10^{-27}$ (3.82) $8.8 \times 10^{-23}$ (2.75) $2.5 \times 10^{-23}$ (2.75)
11.57 $3.4 \times 10^{-27}$ (33.25) $3.5 \times 10^{-27}$ (33.89) $9.9 \times 10^{-26}$ (42.48) $1.1 \times 10^{-25}$ (42.72) $2.6 \times 10^{-22}$ (27.89) $2.5 \times 10^{-22}$ (28.02)
12.43 $1.1 \times 10^{-29}$ (0.11) $1.1 \times 10^{-29}$ (0.11) $3.3 \times 10^{-28}$ (0.14) $3.7 \times 10^{-28}$ (0.15) $8.0 \times 10^{-25}$ (0.09) $8.3 \times 10^{-25}$ (0.09)
12.90 $1.6 \times 10^{-28}$ (1.56) $1.6 \times 10^{-28}$ (1.60) $4.7 \times 10^{-27}$ (2.03) $5.3 \times 10^{-27}$ (2.12) $1.2 \times 10^{-23}$ (1.29) $1.2 \times 10^{-23}$ (1.30)
18.21 $3.9 \times 10^{-28}$ (3.91) $4.1 \times 10^{-28}$ (4.01) $1.2 \times 10^{-26}$ (5.29) $1.3 \times 10^{-26}$ (5.44) $2.8 \times 10^{-23}$ (3.04) $2.8 \times 10^{-23}$ (3.11)
26.20 $2.8 \times 10^{-29}$ (0.28) $2.3 \times 10^{-29}$ (0.22) $9.7 \times 10^{-28}$ (0.42) $7.8 \times 10^{-27}$ (0.32) $1.8 \times 10^{-24}$ (0.19) $1.5 \times 10^{-24}$ (0.16)
80.60 $2.4 \times 10^{-29}$ (0.24) $1.6 \times 10^{-29}$ (0.16) $8.4 \times 10^{-28}$ (0.36) $6.0 \times 10^{-28}$ (0.24) $1.0 \times 10^{-24}$ (0.11) $7.6 \times 10^{-25}$ (0.08)
a Results from the present model based on Mulas (1998), neglecting the possibility of ionisation for a consistent comparison (see text);
b Results from the corrected (see text) model of Joblin et al. (2002).

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