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Table 3
IR colors for disinguishing H II regions from PNe.
| Color | Cutoff | %H II | %PNe | Avg. (H II) | Avg. (PNe) | #H II | #PNe |
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| [F12/F8] | <0.3 | 98 | 18 | − 0.09 ± 0.11 | 0.57 ± 0.29 | 96 | 38 |
| [F22/F8] | <1.0 | 92 | 20 | 0.59 ± 0.31 | 1.23 ± 0.34 | 110 | 39 |
| [F24/F8] | <1.0 | 93 | 21 | 0.55 ± 0.29 | 1.23 ± 0.31 | 86 | 37 |
| [F70/F12] | >1.3 | 96 | 20 | 1.92 ± 0.36 | 1.01 ± 0.40 | 96 | 40 |
| [F70/F22] | >0.8 | 98 | 26 | 1.25 ± 0.22 | 0.39 ± 0.51 | 110 | 42 |
| [F70/F24] | >0.8 | 100 | 26 | 1.26 ± 0.21 | 0.42 ± 0.47 | 86 | 41 |
| [F160/F12] | >1.3 | 100 | 10 | 2.06 ± 0.38 | 0.80 ± 0.49 | 96 | 30 |
| [F160/F22] | >0.8 | 100 | 12 | 1.38 ± 0.26 | 0.16 ± 0.64 | 110 | 31 |
| [F160/F24] | >0.8 | 100 | 10 | 1.40 ± 0.25 | 0.22 ± 0.55 | 86 | 29 |
| [F160/F70] | >–0.2 | 97 | 25 | 0.10 ± 0.17 | − 0.32 ± 0.24 | 126 | 31 |
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