Table C.1
Average interstellar extinction used for each region, and percentage of decrease in FUV flux due to attenuation of radiation from stars members of the region and field stars.
| Region | AFUV [mag kpc−1] | median FFUV, comp [G0] | median FFUV, corr [G0] | Reduction internal FUV % | Reduction field FUV % |
|---|---|---|---|---|---|
| UppSco | 5.31 | 20.11 | 17.69 | 3.0 | 24.6 |
| Lupus | 6.15 | 3.48 | 2.15 | 13.3 | 43.4 |
| ρ Oph | 11.59 | 18.33 | 16.81 | 1.86 | 19.7 |
| Taurus | 0.56 | 2.92 | 1.54 | 0.5 | 48.5 |
| ChamI | 1.21 | 4.57 | 3.19 | 0.19 | 45.3 |
| ChamII | 1.12 | 2.76 | 1.37 | 0.0 | 50.5 |
| CrA | 1.47 | 9.94 | 8.36 | 0.12 | 43.3 |
| ONC | 1.23 | 33713.9 | 33380.1 | 0.022 | 25.02 |
| σ Ori | 1.28 | 232.5 | 227.9 | 0.22 | 13.6 |
| λ Ori | 1.03 | 536.9 | 531.5 | 0.12 | 41.6 |
| NGC 1977 | 1.24 | 100.1 | 98.2 | 0.12 | 10.1 |
| 25 Ori | 0.83 | 18.14 | 14.75 | 0.42 | 44.7 |
| Serp Main | 0.56 | 3.93 | 2.66 | 0.13 | 70.6 |
| Serp NE | 0.89 | 2.79 | 1.51 | 0.37 | 75.2 |
| Serp South | 1.12 | 44.27 | 42.98 | 0.40 | 72.2 |
Notes. For each region in the first column, the average interstellar dust extinction magnitude converted to the FUV band is presented in the second column. Column 3 and 4 contain the median FUV flux as computed in this work and corrected by the extinction. Column 5 and 6 distinguish between the decrease in FUV flux due to dust extinction between the internal and external OBA stars of single regions. An average value of ∼2.1 mag kpc−1 is applied to the incident FUV flux from field stars.
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