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Table 1
Line fluxes1 corrected for extinction (Hβ =100), and results from the empirical analysis2 for CELs of the nebular spectra extrated from the 8 apertures and the integrated spectrum.
| Aperture | |||||||||||
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| A1 | A2 | A3 | A4 | A5 | A6 | A7 | A8 | Integrated | |||
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| Center position3 (arcsec) | 62.8 | 93.8 | 115.8 | 137.8 | 159.8 | 181.8 | 203.8 | 225.8 | 144.3 | ||
| Angular area (arcsec2) | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 176 | ||
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| λ (Å) | Ion | Mult. | I(λ)/I(Hβ) | ||||||||
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| 3726.03 | [O ii] | 1F | 74±6 | 72±2 | 73±3 | 80±2 | 94±5 | 93±7 | 107±5 | 129±18 | 80±4 |
| 3728.82 | [O ii] | 1F | 103±7 | 102±3 | 102±3 | 112±3 | 130±7 | 129±9 | 149±6 | 172±22 | 111±5 |
| 4068.60 | [S ii] | 1F | 2.5±0.5 | 2.6±0.3 | 2.8±0.5 | 3.1±0.4 | 3.2±0.3 | 2.8±0.6 | 6±1 | − | 2.8±0.4 |
| 4076.35 | [S ii] | 1F | 1.4±0.4 | 1.6±0.2 | 1.7±0.2 | 1.9±0.3 | 3.9±0.7 | 4±1 | 6±2 | − | 2.3±0.3 |
| 4101.74 | H i | Hδ | 25±1 | 25.3±0.7 | 25.8±0.7 | 25.6±0.7 | 26±2 | 27±2 | 26±2 | 24±5 | 26±1 |
| 4340.47 | H i | Hγ | 47±2 | 46±1 | 46±1 | 46±1 | 46±2 | 46±2 | 46±2 | 47±7 | 46±1 |
| 4861.33 | H i | Hβ | 100±2 | 100±2 | 100±2 | 100±2 | 100±2 | 100±2 | 100±2 | 100±2 | 100±2 |
| 5754.64 | [N ii] | 3F | 0.51±0.07 | 0.53±0.05 | 0.62±0.08 | 0.6±0.1 | − | − | − | − | 0.5±0.1 |
| 5875.64 | He i | 11 | 2.1±0.2 | − | − | − | − | − | − | − | 1.0±0.2 |
| 6548.03 | [N ii] | 1F | 36±2 | 35±1 | 38±1 | 37±1 | 39±3 | 41±2 | 39±1 | 42±4 | 37±2 |
| 6562.82 | H i | Hα | 297±18 | 297±8 | 297±8 | 297±8 | 297±20 | 297±15 | 297±6 | 297±23 | 297±15 |
| 6583.41 | [N ii] | 1F | 111±7 | 108±3 | 109±3 | 113±3 | 115±8 | 122±6 | 124±3 | 121±9 | 111± 6 |
| 6678.15 | He i | 46 | 0.44±0.06 | − | − | − | − | − | − | − | − |
| 6716.47 | [S ii] | 2F | 41±3 | 45±1 | 51±2 | 59±2 | 61±4 | 67±4 | 72±2 | 71±6 | 51±3 |
| 6730.85 | [S ii] | 2F | 30±2 | 33.2±0.9 | 38±1 | 43±1 | 44±3 | 49±3 | 52±1 | 50±4 | 37±2 |
| 8862.79 | H i | P11 | 1.4±0.2 | 1.4±0.1 | 1.4±0.1 | 1.4±0.2 | 1.4±0.5 | 1.4±0.4 | 1.4±0.3 | 1.4: | 1.4±0.2 |
| 9014.91 | H i | P10 | 1.1±0.3 | 1.2±0.1 | 1.2±0.1 | 1.1±0.2 | 1.0: | 0.6: | 0.4: | − | 1.1±0.3 |
| 9068.90 | [S iii] | 1F | 6±1 | 6.5±0.4 | 4.5±0.3 | 3.5±0.3 | 2.9±0.8 | 2.5±0.8 | 1.9±0.6 | 1.7: | 4.4±0.6 |
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| c(Hβ) | 1.07±0.10 | 0.79±0.02 | 0.89±0.04 | 0.61±0.02 | 0.90±0.08 | 0.95±0.11 | 1.12±0.04 | 1.65±0.21 | 0.88±0.06 | ||
| F(Hβ)4 | 2.39±0.05 | 2.72±0.05 | 2.49±0.05 | 2.07±0.04 | 0.78±0.02 | 0.74±0.02 | 0.40±0.01 | 0.26±0.01 | 11.8±0.2 | ||
| ne([O ii]) | 63 |
50±28 | 56±35 | 53±25 | 59 |
58 |
41±29 | 28 |
60±43 | ||
| ne([S ii]) | 48 |
50±30 | 50±34 | 50±31 | 61±56 | 63 |
63±46 | 90 |
46 |
||
| Te([N ii]) | 6850±280 | 7020±210 | 7220±280 | 7230±420 | − | − | − | − | 6900±490 | ||
| Te([S ii]) | 8190±810 | 8030±430 | 7700±520 | 7650±390 | 9360±820 | 8800±1000 | 12 000±2500 | − | 8410±580 | ||
| O+/H+ | 8.63±0.06 | 8.55±0.05 | 8.48±0.06 | 8.52±0.10 | − | − | − | − | 8.64±0.13 | ||
| N+/H+ | 7.87±0.07 | 7.82±0.04 | 7.79±0.05 | 7.79±0.07 | − | − | − | − | 7.86±0.10 | ||
| S+/H+ | 6.69±0.07 | 6.69±0.04 | 6.71±0.05 | 6.76±0.07 | − | − | − | − | 6.77±0.10 | ||
| S2+/H+ | 6.30±0.12 | 6.17±0.07 | 6.10±0.08 | 5.99±0.11 | − | − | − | − | 6.15±0.15 | ||
| O/H | 8.63±0.06 | 8.55±0.05 | 8.48±0.06 | 8.52±0.10 | − | − | − | − | 8.64±0.13 | ||
| N/H | 7.87±0.07 | 7.82±0.04 | 7.79±0.05 | 7.79±0.07 | − | − | − | − | 7.86±0.10 | ||
| S/H | 6.84±0.06 | 6.81±0.04 | 6.80±0.04 | 6.83±0.06 | − | − | − | − | 6.86±0.08 | ||
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