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Table 1

Main PDR physical parameters obtained by modeling the [CII], [OI] 145 and FIR emission with and without correcting the observed [CII]  line flux from the contribution from various ionized gas (see Sect. 4.1.3 for details).

[CII] correction applied G 0 n H T gas φ τ CII
cm-3 K %

Starburst
No correction 1400 760 460 6.5 0.06
Dense HII region 2500 900 470 5.5 0.03

Disk
No correction 400 200 380 1.6 0.1
Dense HII region 450 220 390 2.4 0.05

North outflow
No correction 340 380 300 2.3 0.03
ne = 15 cm-3 960 600 390 1.5 0.02
ne = 300 cm-3 430 450 320 1.7 0.03

South outflow
No correction 350 210 350 1.0 0.06
ne = 15 cm-3 1200 420 440 1.2 0.03
ne = 300 cm-3 390 210 420 1.6 0.04

Notes. The listed values are calculated by averaging the maps shown in figures from 14 to 17, over the four macro regions we have divided the galaxy in: starburst, disk, north and south outflow (see Fig. 18 for a schematic visualization of these regions). Last column lists the averaged value for the [CII] opacity maps obtained as explained in Sect. 4.3.

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