Table 2
Average slopes and values at the effective radius for the linear fittings of O/H and N/O in the analysed CALIFA galaxies grouped by categories depending on the sign of the slopes.
| Number | % | α O/H | 12+log(O/H) | α N/O | log(N/O) | |
| (dex/Re) | (at Re) | (dex/Re) | (at Re) | |||
|
|
||||||
| All | 201 | 100 | –0.053 ± 0.068 | 8.688 ± 0.070 | –0.104 ± 0.096 | –1.041 ± 0.198 |
| αO/H< 0 | 162 | 80.6 | –0.073 ± 0.057 | 8.697 ± 0.068 | –0.110 ± 0.086 | –1.026 ± 0.181 |
| αO/H< 0 (1σ) | 130 | 64.7 | –0.088 ± 0.054 | 8.702 ± 0.066 | –0.121 ± 0.087 | –1.012 ± 0.174 |
| αO/H> 0 | 39 | 19.4 | +0.032 ± 0.032 | 8.652 ± 0.069 | –0.079 ± 0.125 | –1.104 ± 0.250 |
| αO/H> 0 (1σ) | 20 | 10.0 | +0.048 ± 0.033 | 8.652 ± 0.067 | –0.062 ± 0.077 | –1.041 ± 0.216 |
| αN/O< 0 | 186 | 92.5 | –0.056 ± 0.068 | 8.690 ± 0.071 | –0.118 ± 0.090 | –1.036 ± 0.198 |
| αN/O< 0 (1σ) | 156 | 77.6 | –0.062 ± 0.068 | 8.695 ± 0.069 | –0.133 ± 0.088 | –1.030 ± 0.194 |
| αN/O> 0 | 20 | 10.0 | –0.027 ± 0.065 | 8.678 ± 0066 | +0.025 ± 0.027 | –1.075 ± 0.205 |
| αN/O> 0 (1σ) | 9 | 4.5 | –0.021 ± 0.061 | 8.674 ± 0.062 | +0.041 ± 0.033 | –1.107 ± 0.190 |
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