Table 2
Number of identified SNRs and SNR candidates in 19 galaxies.
| Sample | Number | [O I]/Hα residual | [S II]/Hα residual | σ(S II]λ6716) | BPT distance ([O I]-[O III]) | [S II]-[O III] |
|---|---|---|---|---|---|---|
| Parent sample | 2233 | 1368 | 880 | 352 | 635 | 372 |
| SNRs | 1166 | 658 | 727 | 255 | 569 | 325 |
| − isolated | 964 | 464 | 549 | 189 | 543 | 322 |
| − blended | 202 | 194 | 178 | 66 | 26 | 3 |
| SNR candidates | 1067 | 710 | 153 | 97 | 66 | 47 |
| − isolated | 498 | 226 | 86 | 80 | 65 | 46 |
| − blended | 569 | 484 | 67 | 17 | 1 | 1 |
Notes. The columns from left to right are the category of SNR sample, sample size, and the number of SNRs satisfying each of our five criteria: [O I]/Hα, [S II]/Hα, [S II] velocity dispersion, and BPT distance as defined in the [O III]/Hβ versus [O I]/Hα diagram and in the [O III]/Hβ versus [S II]/Hα diagram.
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