Open Access
Table 6
Distribution of nebulae in the different classes according to the traditional classification criteria.
| Class | All | Hα | [OUI] | BPT |
|---|---|---|---|---|
| H II | 20 540 (0.50) | 20 540 (0.64) | 12 622 (0.58) | 10 338 (0.69) |
| PNe | 647 (0.02) | 647 (0.02) | 456 (0.02) | 46 (0.00) |
| Sh. | 9328 (0.23) | 4123 (0.13) | 4110 (0.19) | 2211 (0.15) |
| Amb. | 8124 (0.20) | 4619 (0.14) | 2992 (0.14) | 1584 (0.11) |
| Un. | 2281 (0.06) | 2281 (0.07) | 1716 (0.08) | 798 (0.05) |
| Total | 40 920 | 31 110 | 21 896 | 14977 |
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