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Table 7
Equivalent width, Hβ flux and oxygen flux ratios, both extinction-corrected, for all the H II regions of NGC 6946.
| Number | log (EWHα) (Å) | FHβ (1014 erg/cm2/s) | log ([OII]/Hβ) | log ([OIII]/Hβ) |
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|
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| 1 | 2.97 ± 0.13 | 0.20 ± 0.06 | – | – |
| 2 | 2.86 ± 0.10 | 0.21 ± 0.04 | 0.53 ± 0.09 | –0.43 ± 0.09 |
| 3 | 2.69 ± 0.05 | 24.05 ± 2.80 | 0.45 ± 0.05 | –0.09 ± 0.05 |
| 4 | 2.59 ± 0.08 | 0.23 ± 0.03 | – | – |
| 5 | 3.25 ± 0.08 | 0.25 ± 0.03 | 0.53 ± 0.06 | –0.48 ± 0.06 |
| 6 | 3.11 ± 0.05 | 0.90 ± 0.08 | 0.49 ± 0.04 | –0.01 ± 0.04 |
| 7 | 2.88 ± 0.06 | 1.17 ± 0.13 | 0.38 ± 0.05 | –0.56 ± 0.05 |
| 8 | 2.54 ± 0.08 | 1.04 ± 0.20 | 0.34 ± 0.08 | –0.52 ± 0.08 |
| 9 | 2.92 ± 0.07 | 0.44 ± 0.05 | 0.50 ± 0.05 | –0.61 ± 0.05 |
| 10 | 2.89 ± 0.05 | 2.11 ± 0.20 | – | – |
| 11 | 3.04 ± 0.09 | 0.62 ± 0.12 | 0.48 ± 0.09 | 0.05 ± 0.09 |
| 12 | 2.85 ± 0.11 | 0.22 ± 0.05 | 0.51 ± 0.11 | 0.41 ± 0.11 |
| 13 | 3.55 ± 0.10 | 0.16 ± 0.02 | 0.43 ± 0.06 | – |
| 14 | 2.83 ± 0.05 | 2.94 ± 0.30 | 0.28 ± 0.04 | –0.37 ± 0.05 |
| 15 | 3.48 ± 0.09 | 0.22 ± 0.03 | 0.36 ± 0.07 | –0.21 ± 0.07 |
| 16 | 3.12 ± 0.10 | 0.18 ± 0.03 | 0.68 ± 0.13 | 0.04 ± 0.11 |
| 17 | 2.68 ± 0.11 | 0.11 ± 0.02 | – | – |
| 18 | 2.55 ± 0.07 | 10.05 ± 1.74 | 0.29 ± 0.07 | –0.06 ± 0.07 |
| 19 | 2.64 ± 0.12 | 0.13 ± 0.03 | – | – |
| 20 | 2.37 ± 0.09 | 0.20 ± 0.04 | – | – |
| 21 | 2.71 ± 0.06 | 2.16 ± 0.29 | 0.38 ± 0.06 | –0.29 ± 0.06 |
| 22 | 2.97 ± 0.07 | 1.89 ± 0.26 | 0.49 ± 0.06 | –0.24 ± 0.06 |
| 23 | 1.83 ± 0.08 | 0.56 ± 0.09 | – | – |
| 24 | 2.35 ± 0.07 | 0.81 ± 0.13 | 0.57 ± 0.07 | –0.19 ± 0.07 |
| 25 | 2.46 ± 0.09 | 0.63 ± 0.14 | – | – |
| 26 | 2.98 ± 0.05 | 1.55 ± 0.16 | 0.39 ± 0.04 | –0.44 ± 0.04 |
| 27 | 2.84 ± 0.07 | 0.81 ± 0.12 | 0.23 ± 0.06 | –0.40 ± 0.08 |
| 28 | 2.47 ± 0.06 | 0.92 ± 0.10 | 0.18 ± 0.08 | –0.38 ± 0.05 |
| 29 | 2.69 ± 0.12 | 0.22 ± 0.07 | – | – |
| 30 | 2.62 ± 0.10 | 0.19 ± 0.04 | – | – |
| 31 | 2.67 ± 0.06 | 1.64 ± 0.22 | – | – |
| 32 | 2.27 ± 0.11 | 0.41 ± 0.11 | – | – |
| 33 | 2.77 ± 0.10 | 0.29 ± 0.07 | 0.19 ± 0.10 | –0.58 ± 0.16 |
| 34 | 2.62 ± 0.04 | 34.62 ± 3.33 | 0.11 ± 0.04 | –0.54 ± 0.04 |
| 35 | 3.74 ± 0.12 | 0.17 ± 0.03 | – | – |
| 36 | 3.06 ± 0.06 | 0.70 ± 0.07 | 0.43 ± 0.04 | –0.67 ± 0.04 |
| 37 | 2.58 ± 0.09 | 5.32 ± 1.20 | – | – |
| 38 | 2.76 ± 0.06 | 5.32 ± 0.73 | 0.22 ± 0.06 | –0.46 ± 0.06 |
| 39 | 2.71 ± 0.07 | 0.79 ± 0.11 | – | – |
| 40 | 2.55 ± 0.06 | 1.48 ± 0.20 | – | – |
| 41 | 2.64 ± 0.07 | 1.15 ± 0.19 | – | – |
| 42 | 2.27 ± 0.09 | 3.55 ± 0.80 | – | – |
| 43 | 2.60 ± 0.06 | 3.50 ± 0.48 | – | – |
| 44 | 2.75 ± 0.06 | 0.36 ± 0.03 | 0.16 ± 0.04 | –0.73 ± 0.04 |
| 45 | 2.51 ± 0.07 | 1.31 ± 0.19 | – | – |
| 46 | 2.41 ± 0.11 | 0.13 ± 0.03 | – | – |
| 47 | 3.15 ± 0.14 | 0.18 ± 0.06 | – | – |
| 48 | 2.75 ± 0.04 | 5.56 ± 0.51 | 0.08 ± 0.04 | –0.66 ± 0.04 |
| 49 | 2.63 ± 0.10 | 0.13 ± 0.03 | – | – |
| 50 | 2.56 ± 0.08 | 0.44 ± 0.08 | – | – |
| 51 | 2.66 ± 0.09 | 0.36 ± 0.07 | – | – |
| 52 | 2.31 ± 0.09 | 2.88 ± 0.67 | – | – |
| 53 | 2.81 ± 0.05 | 2.02 ± 0.20 | 0.27 ± 0.04 | –0.38 ± 0.04 |
| 54 | 2.17 ± 0.09 | 1.66 ± 0.40 | – | – |
| 55 | 2.71 ± 0.04 | 7.05 ± 0.53 | 0.09 ± 0.04 | –0.73 ± 0.03 |
| 56 | 2.62 ± 0.10 | 0.34 ± 0.08 | – | – |
| 57 | 3.52 ± 0.07 | 0.35 ± 0.04 | 0.27 ± 0.05 | –0.09 ± 0.05 |
| 58 | 3.39 ± 0.08 | 0.25 ± 0.03 | 0.22 ± 0.06 | –0.72 ± 0.06 |
| 59 | 2.28 ± 0.11 | 0.51 ± 0.14 | – | – |
| 60 | 2.75 ± 0.07 | 2.63 ± 0.43 | – | – |
| 61 | 2.49 ± 0.05 | 2.75 ± 0.29 | – | – |
| 62 | 3.17 ± 0.13 | 0.10 ± 0.03 | – | – |
| 63 | 2.90 ± 0.03 | 13.25 ± 0.82 | –0.00 ± 0.03 | –0.61 ± 0.03 |
| 64 | 2.97 ± 0.05 | 1.58 ± 0.15 | 0.19 ± 0.06 | –0.62 ± 0.05 |
| 65 | 2.50 ± 0.10 | 0.43 ± 0.10 | 0.23 ± 0.16 | –0.37 ± 0.13 |
| 66 | 2.49 ± 0.08 | 3.02 ± 0.62 | –0.08 ± 0.11 | –0.46 ± 0.09 |
| 67 | 2.97 ± 0.07 | 0.29 ± 0.03 | – | – |
| 68 | 2.99 ± 0.11 | 0.34 ± 0.08 | – | – |
| 69 | 2.24 ± 0.10 | 0.13 ± 0.03 | – | – |
| 70 | 2.72 ± 0.07 | 0.45 ± 0.07 | – | – |
| 71 | 2.48 ± 0.09 | 0.42 ± 0.08 | – | – |
| 72 | 2.69 ± 0.05 | 0.70 ± 0.06 | 0.59 ± 0.05 | –0.30 ± 0.05 |
| 73 | 2.54 ± 0.11 | 0.22 ± 0.05 | – | – |
| 74 | 2.68 ± 0.12 | 0.28 ± 0.08 | – | – |
| 75 | 2.32 ± 0.09 | 1.10 ± 0.23 | – | – |
| 76 | 2.50 ± 0.14 | 0.12 ± 0.04 | – | – |
| 77 | 2.76 ± 0.09 | 0.64 ± 0.14 | – | – |
| 78 | 2.88 ± 0.07 | 1.85 ± 0.30 | 0.04 ± 0.07 | –0.57 ± 0.07 |
| 79 | 2.25 ± 0.11 | 0.16 ± 0.04 | – | – |
| 80 | 2.70 ± 0.05 | 2.25 ± 0.23 | 0.02 ± 0.04 | –0.72 ± 0.05 |
| 81 | 2.68 ± 0.07 | 0.32 ± 0.04 | – | – |
| 82 | 2.52 ± 0.14 | 0.13 ± 0.05 | – | – |
| 83 | 2.43 ± 0.09 | 0.82 ± 0.17 | – | – |
| 84 | 2.78 ± 0.09 | 1.28 ± 0.26 | – | – |
| 85 | 2.37 ± 0.05 | 1.59 ± 0.14 | 0.02 ± 0.06 | –0.23 ± 0.04 |
| 86 | 2.52 ± 0.10 | 0.23 ± 0.05 | – | – |
| 87 | 2.84 ± 0.13 | 0.13 ± 0.04 | – | – |
| 88 | 2.69 ± 0.12 | 0.15 ± 0.04 | – | – |
| 89 | 2.36 ± 0.09 | 0.24 ± 0.05 | – | – |
| 90 | 2.23 ± 0.07 | 0.56 ± 0.08 | – | – |
| 91 | 2.54 ± 0.08 | 0.62 ± 0.10 | – | – |
| 92 | 2.01 ± 0.10 | 0.63 ± 0.16 | – | – |
| 93 | 2.52 ± 0.10 | 0.29 ± 0.06 | – | – |
| 94 | 2.68 ± 0.11 | 0.64 ± 0.17 | – | – |
| 95 | 2.63 ± 0.05 | 2.11 ± 0.22 | – | – |
| 96 | 2.32 ± 0.06 | 2.02 ± 0.25 | – | – |
| 97 | 2.50 ± 0.12 | 0.16 ± 0.04 | – | – |
| 98 | 2.73 ± 0.06 | 6.43 ± 0.88 | – | – |
| 99 | 2.34 ± 0.10 | 0.68 ± 0.17 | – | – |
| 100 | 2.47 ± 0.08 | 0.43 ± 0.07 | – | – |
| 101 | 3.04 ± 0.09 | 0.94 ± 0.18 | – | – |
| 102 | 3.52 ± 0.18 | 0.06 ± 0.02 | – | – |
| 103 | 2.92 ± 0.06 | 0.85 ± 0.09 | – | – |
| 104 | 2.84 ± 0.08 | 0.27 ± 0.04 | – | – |
| 105 | 2.37 ± 0.08 | 2.77 ± 0.55 | – | – |
| 106 | 2.39 ± 0.16 | 0.08 ± 0.03 | – | – |
| 107 | 2.48 ± 0.09 | 0.91 ± 0.19 | – | – |
| 108 | 2.62 ± 0.07 | 0.99 ± 0.14 | – | – |
| 109 | 2.74 ± 0.06 | 1.17 ± 0.13 | – | – |
| 110 | 2.42 ± 0.07 | 0.43 ± 0.06 | – | – |
| 111 | 2.66 ± 0.07 | 0.30 ± 0.03 | 0.61 ± 0.09 | – |
| 112 | 2.48 ± 0.05 | 0.67 ± 0.06 | – | – |
| 113 | 2.38 ± 0.05 | 4.82 ± 0.51 | 0.03 ± 0.05 | –0.87 ± 0.05 |
| 114 | 2.07 ± 0.11 | 0.21 ± 0.06 | – | – |
| 115 | 3.54 ± 0.05 | 2.30 ± 0.21 | – | – |
| 116 | 2.64 ± 0.10 | 0.34 ± 0.08 | – | – |
| 117 | 2.47 ± 0.05 | 1.25 ± 0.11 | 0.22 ± 0.04 | –0.58 ± 0.05 |
| 118 | 1.54 ± 0.07 | 19.32 ± 3.13 | – | – |
| 119 | 2.45 ± 0.08 | 0.35 ± 0.05 | – | – |
| 120 | 2.73 ± 0.08 | 0.38 ± 0.06 | – | – |
| 121 | 2.59 ± 0.04 | 0.77 ± 0.05 | –0.06 ± 0.10 | –0.63 ± 0.03 |
| 122 | 2.52 ± 0.11 | 0.12 ± 0.03 | – | – |
| 123 | 2.38 ± 0.07 | 2.59 ± 0.45 | – | – |
| 124 | 2.33 ± 0.09 | 0.67 ± 0.14 | – | – |
| 125 | 2.33 ± 0.06 | 0.67 ± 0.08 | – | – |
| 126 | 3.11 ± 0.05 | 0.44 ± 0.03 | – | – |
| 127 | 2.72 ± 0.09 | 1.34 ± 0.32 | – | – |
| 128 | 2.08 ± 0.08 | 0.33 ± 0.06 | – | – |
| 129 | 2.78 ± 0.04 | 0.79 ± 0.05 | 0.09 ± 0.07 | –0.65 ± 0.03 |
| 130 | 2.35 ± 0.04 | 4.67 ± 0.35 | 0.12 ± 0.03 | –0.53 ± 0.03 |
| 131 | 2.26 ± 0.10 | 0.29 ± 0.07 | – | – |
| 132 | 1.78 ± 0.07 | 1.20 ± 0.19 | – | – |
| 133 | 2.36 ± 0.08 | 3.49 ± 0.73 | – | – |
| 134 | 2.32 ± 0.06 | 0.53 ± 0.05 | 0.18 ± 0.04 | –0.72 ± 0.05 |
| 135 | 2.49 ± 0.03 | 59.30 ± 3.86 | 0.33 ± 0.03 | –0.59 ± 0.03 |
| 136 | 2.43 ± 0.05 | 0.62 ± 0.05 | 0.41 ± 0.07 | –0.47 ± 0.04 |
| 137 | 2.44 ± 0.13 | 0.16 ± 0.05 | – | – |
| 138 | 2.78 ± 0.06 | 0.27 ± 0.03 | 0.11 ± 0.04 | –0.52 ± 0.04 |
| 139 | 2.44 ± 0.07 | 1.05 ± 0.16 | – | – |
| 140 | 2.58 ± 0.09 | 0.37 ± 0.08 | – | – |
| 141 | 3.05 ± 0.09 | 0.21 ± 0.03 | – | – |
| 142 | 2.30 ± 0.05 | 1.17 ± 0.12 | -0.05 ± 0.04 | –0.90 ± 0.08 |
| 143 | 2.46 ± 0.04 | 1.04 ± 0.07 | – | – |
| 144 | 2.54 ± 0.02 | 18.47 ± 0.65 | – | – |
| 145 | 2.34 ± 0.07 | 2.93 ± 0.44 | – | – |
| 146 | 2.65 ± 0.05 | 3.36 ± 0.34 | -0.08 ± 0.04 | –0.78 ± 0.04 |
| 147 | 2.40 ± 0.04 | 2.29 ± 0.16 | – | – |
| 148 | 3.14 ± 0.06 | 0.37 ± 0.03 | 0.23 ± 0.11 | –0.36 ± 0.04 |
| 149 | 2.31 ± 0.06 | 0.64 ± 0.07 | – | – |
| 150 | 2.40 ± 0.08 | 1.33 ± 0.23 | – | – |
| 151 | 2.76 ± 0.06 | 0.47 ± 0.05 | 0.20 ± 0.11 | –0.47 ± 0.08 |
| 152 | 2.83 ± 0.06 | 0.70 ± 0.08 | 0.39 ± 0.05 | 0.05 ± 0.05 |
| 153 | 2.07 ± 0.04 | 2.06 ± 0.13 | 0.68 ± 0.03 | –0.24 ± 0.03 |
| 154 | 2.62 ± 0.03 | 4.11 ± 0.25 | 0.22 ± 0.03 | –0.48 ± 0.03 |
| 155 | 2.35 ± 0.09 | 0.68 ± 0.15 | – | – |
| 156 | 2.70 ± 0.07 | 0.94 ± 0.12 | – | – |
| 157 | 3.31 ± 0.07 | 0.31 ± 0.03 | 0.40 ± 0.05 | –0.38 ± 0.05 |
| 158 | 2.58 ± 0.06 | 0.84 ± 0.09 | – | – |
| 159 | 2.71 ± 0.03 | 6.33 ± 0.39 | 0.17 ± 0.03 | –0.59 ± 0.03 |
| 160 | 2.65 ± 0.09 | 0.46 ± 0.09 | – | – |
| 161 | 2.36 ± 0.09 | 0.17 ± 0.03 | – | – |
| 162 | 2.36 ± 0.04 | 0.61 ± 0.04 | – | – |
| 163 | 2.40 ± 0.04 | 3.01 ± 0.23 | – | – |
| 164 | 2.58 ± 0.03 | 1.32 ± 0.07 | – | – |
| 165 | 2.33 ± 0.09 | 0.20 ± 0.04 | – | – |
| 166 | 2.49 ± 0.05 | 1.08 ± 0.12 | – | – |
| 167 | 2.67 ± 0.04 | 2.16 ± 0.18 | – | – |
| 168 | 2.80 ± 0.05 | 0.98 ± 0.08 | 0.19 ± 0.04 | –0.69 ± 0.04 |
| 169 | 2.39 ± 0.07 | 2.60 ± 0.38 | – | – |
| 170 | 2.37 ± 0.06 | 0.29 ± 0.03 | 0.16 ± 0.05 | – |
| 171 | 2.57 ± 0.04 | 7.57 ± 0.69 | – | – |
| 172 | 2.44 ± 0.08 | 0.71 ± 0.12 | – | – |
| 173 | 2.75 ± 0.07 | 0.27 ± 0.04 | 0.38 ± 0.06 | –0.49 ± 0.06 |
| 174 | 1.86 ± 0.11 | 0.44 ± 0.12 | – | – |
| 175 | 2.60 ± 0.06 | 1.24 ± 0.16 | – | – |
| 176 | 2.93 ± 0.05 | 0.86 ± 0.08 | 0.17 ± 0.04 | –0.38 ± 0.04 |
| 177 | 2.72 ± 0.05 | 2.91 ± 0.31 | 0.06 ± 0.05 | –0.36 ± 0.05 |
| 178 | 2.53 ± 0.07 | 0.57 ± 0.08 | – | – |
| 179 | 2.58 ± 0.06 | 1.13 ± 0.15 | – | – |
| 180 | 2.39 ± 0.05 | 2.00 ± 0.18 | 0.06 ± 0.04 | –0.62 ± 0.04 |
| 181 | 2.50 ± 0.06 | 0.65 ± 0.07 | – | – |
| 182 | 2.60 ± 0.06 | 0.59 ± 0.07 | – | – |
| 183 | 2.18 ± 0.09 | 0.36 ± 0.07 | – | – |
| 184 | 2.66 ± 0.06 | 0.66 ± 0.07 | – | – |
| 185 | 2.44 ± 0.06 | 2.87 ± 0.38 | – | – |
| 186 | 2.46 ± 0.07 | 2.14 ± 0.32 | – | – |
| 187 | 2.66 ± 0.08 | 0.42 ± 0.06 | 0.13 ± 0.07 | –0.42 ± 0.07 |
| 188 | 2.28 ± 0.06 | 0.22 ± 0.02 | 0.17 ± 0.05 | 0.11 ± 0.05 |
| 189 | 2.92 ± 0.06 | 2.96 ± 0.42 | – | – |
| 190 | 3.10 ± 0.06 | 0.71 ± 0.08 | 0.13 ± 0.05 | –0.54 ± 0.05 |
| 191 | 2.51 ± 0.07 | 4.36 ± 0.67 | – | – |
| 192 | 2.70 ± 0.04 | 1.03 ± 0.08 | – | – |
| 193 | 2.01 ± 0.09 | 1.72 ± 0.42 | – | – |
| 194 | 2.67 ± 0.08 | 0.73 ± 0.13 | – | – |
| 195 | 2.34 ± 0.05 | 0.38 ± 0.03 | 0.61 ± 0.04 | –0.55 ± 0.04 |
| 196 | 2.31 ± 0.03 | 0.98 ± 0.06 | – | – |
| 197 | 2.65 ± 0.06 | 4.42 ± 0.57 | – | – |
| 198 | 2.46 ± 0.05 | 1.77 ± 0.19 | – | – |
| 199 | 2.48 ± 0.06 | 0.29 ± 0.03 | 0.18 ± 0.04 | –0.35 ± 0.04 |
| 200 | 2.61 ± 0.08 | 0.23 ± 0.04 | 0.32 ± 0.07 | –0.10 ± 0.09 |
| 201 | 2.47 ± 0.05 | 6.06 ± 0.65 | -0.08 ± 0.06 | –0.51 ± 0.05 |
| 202 | 2.76 ± 0.09 | 0.25 ± 0.04 | – | – |
| 203 | 2.66 ± 0.09 | 0.17 ± 0.03 | – | – |
| 204 | 2.64 ± 0.04 | 0.61 ± 0.04 | – | – |
| 205 | 2.59 ± 0.04 | 5.44 ± 0.47 | 0.13 ± 0.04 | –0.45 ± 0.04 |
| 206 | 2.61 ± 0.06 | 0.93 ± 0.12 | 0.20 ± 0.05 | –0.57 ± 0.05 |
| 207 | 2.25 ± 0.04 | 5.47 ± 0.39 | 0.65 ± 0.03 | –0.35 ± 0.03 |
| 208 | 2.58 ± 0.07 | 0.31 ± 0.04 | – | – |
| 209 | 2.26 ± 0.07 | 0.81 ± 0.13 | – | – |
| 210 | 2.73 ± 0.03 | 3.88 ± 0.21 | 0.37 ± 0.02 | –0.46 ± 0.02 |
| 211 | 2.77 ± 0.03 | 2.98 ± 0.18 | 0.36 ± 0.03 | –0.43 ± 0.03 |
| 212 | 2.60 ± 0.04 | 0.40 ± 0.03 | – | – |
| 213 | 2.50 ± 0.05 | 1.53 ± 0.14 | 0.26 ± 0.04 | –0.56 ± 0.04 |
| 214 | 2.49 ± 0.04 | 14.40 ± 1.04 | 0.33 ± 0.03 | –0.27 ± 0.03 |
| 215 | 2.33 ± 0.11 | 0.25 ± 0.07 | – | – |
| 216 | 2.47 ± 0.06 | 0.55 ± 0.06 | 0.40 ± 0.05 | –0.44 ± 0.05 |
| 217 | 2.87 ± 0.06 | 0.29 ± 0.03 | 0.62 ± 0.04 | – |
| 218 | 2.58 ± 0.06 | 0.74 ± 0.09 | 0.21 ± 0.05 | –0.55 ± 0.07 |
| 219 | 2.74 ± 0.06 | 0.26 ± 0.02 | 0.85 ± 0.04 | – |
| 220 | 2.76 ± 0.04 | 0.62 ± 0.04 | – | – |
| 221 | 2.41 ± 0.04 | 0.75 ± 0.06 | 0.37 ± 0.03 | –0.59 ± 0.06 |
| 222 | 2.44 ± 0.03 | 0.97 ± 0.05 | – | – |
| 223 | 2.59 ± 0.03 | 1.05 ± 0.05 | 0.41 ± 0.02 | –0.28 ± 0.02 |
| 224 | 2.14 ± 0.05 | 0.78 ± 0.08 | 0.42 ± 0.04 | –0.37 ± 0.04 |
| 225 | 2.30 ± 0.03 | 6.69 ± 0.36 | 0.54 ± 0.02 | –0.30 ± 0.02 |
| 226 | 2.29 ± 0.03 | 2.35 ± 0.11 | – | – |
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