Table 1.
Circinus: observed and dereddened line fluxes (F and I), relative to Hβ (Hβ = 1), and electron temperatures Te for the low LILr (log([N II]/Hα) < − 0.2 and log([S II]/Hα) < − 0.4) and high LILr (log([N II]/Hα) > 0.1 and log([S II]/Hα) > 0) regions, estimated by fitting the corresponding stacked spectra.
| Low LILr region |
High LILr region |
|||
|---|---|---|---|---|
| F | I | F | I | |
| Hβ | 1 | 1 | 1 | 1 |
| [O III]λ5007 | 11.14 ± 0.04 | 10.17 ± 0.03 | 4.69 ± 0.02 | 4.12 ± 0.02 |
| [Fe VI]λ5146 | 0.022 ± 0.002 | 0.018 ± 0.002 | – | – |
| [Fe XIV]λ5303 | 0.008 ± 0.002 | 0.006 ± 0.002 | – | – |
| [Fe VII]λ5721 | 0.210 ± 0.002 | 0.128 ± 0.001 | 0.098 ± 0.004 | 0.049 ± 0.002 |
| [N II]λ5755 | 0.034 ± 0.002 | 0.021 ± 0.001 | 0.093 ± 0.004 | 0.045 ± 0.002 |
| [Fe VII]λ6087 | 0.114 ± 0.002 | 0.058 ± 0.001 | 0.037 ± 0.004 | 0.014 ± 0.001 |
| [O I]λ6300 | 0.359 ± 0.002 | 0.171 ± 0.001 | 1.160 ± 0.006 | 0.402 ± 0.001 |
| [S III]λ6312 | 0.069 ± 0.002 | 0.033 ± 0.001 | – | – |
| [Fe X]λ6374 | 0.041 ± 0.002 | 0.019 ± 0.001 | – | – |
| [N II]λ6584 | 4.23 ± 0.01 | 1.765 ± 0.002 | 10.98 ± 0.05 | 3.168 ± 0.002 |
| Hα | 6.79 ± 0.02 | 2.86 | 9.78 ± 0.04 | 2.86 |
| [S II]λ6717 | 1.141 ± 0.005 | 0.450 ± 0.001 | 3.46 ± 0.02 | 0.921 ± 0.001 |
| [S II]λ6731 | 1.357 ± 0.005 | 0.532 ± 0.001 | 4.62 ± 0.02 | 1.222 ± 0.001 |
| Hβ flux | 227.2 ± 0.7 | 5160 ± 40 | 160.9 ± 0.7 | 13700 ± 100 |
| Te | (9.1 ± 0.2)×103 | (9.8 ± 0.2)×103 | ||
Notes. Blank entries are undetected lines. Hβ flux is in units of 10−16 erg s−1 cm−2, while Te is in Kelvin.
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