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Table 2
Comparison of the PPAK central spectrum with the SDSS single-fiber spectrum.
| NAME | PPAK central spectrum | SDSS spectrum | ||||||
| log10 (Age) Gyr | Z | AV | σv km s-1 | log10 (Age) Gyr | Z | AV | σv km s-1 | |
|
|
||||||||
| NGC 6394 | 1.1 | 0.016 | 0.7 | 139 | 1.3 | 0.016 | 0.5 | 141 |
| UGC 09892 | 0.7 | 0.019 | 0.4 | 116 | 0.8 | 0.021 | 0.3 | 144 |
| UGC 11649 | 1.3 | 0.024 | 0.2 | 228 | 1.0 | 0.024 | 0.2 | 215 |
|
|
||||||||
| Hα/Hβ | [OIII]/Hβ | [NII]/Hα | [SII]λ |
Hα/Hβ | [OIII]/Hβ | [NII]/Hα | [SII]λ |
|
|
|
||||||||
| NGC 6394 | 6.9 ± 2.0 | 8.2 ± 2.2 | 1.1 ± 0.1 | 1.2 ± 0.8 | 6.6 ± 1.7 | 10.3 ± 2.4 | 1.3 ± 0.1 | 1.0 ± 0.1 |
| UGC 09892 | 8.0 ± 3.5 | 0.7 ± 0.6 | 0.5 ± 0.1 | 0.7 ± 0.1 | − | − | 0.5 ± 0.1 | 1.5 ± 0.7 |
| UGC 11649 | − | − | 1.1 ± 1.1 | 1.3 ± 0.2 | 3.8 ± 4.1 | 2.2 ± 2.8 | 1.1 ± 0.5 | 1.5 ± 0.6 |
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