Table 3.
Ionisation budget of the regions shown in Fig. 8 and of the overall H II regions and DIG population.
| Region ID | log  |
log  |
log  |
log  |
log  |
 |
fesc |
|---|---|---|---|---|---|---|---|
| [s−1] | [s−1] | [s−1] | [s−1] | [s−1] | |||
| 1 |
 |
 |
 |
 |
50.74 |
 |
 |
| 2 |
 |
 |
 |
 |
50.31 |
 |
 |
| 3 |
 |
 |
 |
 |
50.35 |
 |
 |
| 4 |
 |
 |
– |
 |
49.98 |
 |
 |
| 5 |
 |
– | – |
 |
49.10 |
 |
 |
| 6 |
 |
 |
– |
 |
49.14 |
 |
 |
| 7 |
 |
 |
– |
 |
48.75 |
 |
 |
| 8 |
 |
 |
 |
 |
50.53 |
 |
 |
| Tot H II |
 |
 |
 |
 |
51.22 |
 |
 |
| Tot DIG |
 |
 |
 |
 |
50.65 |
 |
 |
| Tot DIGlower limit |
 |
 |
 |
 |
Notes. The last row indicates a lower limit for the modelled ionising flux in the DIG, obtained by considering an upper limit mmax = 30 M⊙ for the field candidate O stars (as opposed to mmax = 60 M⊙ assumed elsewhere). All the uncertainties indicated are ±1σ errors on the Q(H0) distribution resulting from the Montecarlo sampling. The uncertainties on log 
are all of order ≤ 0.001.
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