Table 2
H II regions used to calibrate the normalisation factor for the Hα images.
| Region | Fitted slope [×104] | Pearson coefficient |
|---|---|---|
| DEM-L140 | 1.85 ± 0.02 | 0.98 |
| LHA-120-N44J | 1.75 ± 0.03 | 0.97 |
| LHA-120-N70 (a) | 1.81 ± 0.02 | 0.95 |
| LHA-120-N70 (b) | 1.50 ± 0.02 | 0.91 |
| LHA-120-N70 (c) | 1.45 ± 0.02 | 0.93 |
| N11 (a) | 1.04 ± 0.02 | 0.98 |
| N11 (b) | 1.10 ± 0.04 | 0.91 |
| N11 (c) | 1.50 ± 0.05 | 0.93 |
| N11 (d) | 1.70 ± 0.05 | 0.93 |
| N11 (e) | 0.87 ± 0.02 | 0.92 |
| N11 (f) | 1.61 ± 0.02 | 0.99 |
| Average | 1.48 ± 0.01 | 0.95 |
Notes. The first column reports the name of the HII region used to extract the Hα and radio pixel values. The second column indicates the fitted slope of the linear relation between radio and Hα. The third column documents the Pearson coefficient of the linear fit. The latter was used as a weighting factor in the calculation of the averaged normalisation factor.
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