MEGADES: MEGARA galaxy disc evolution survey - Ionised gas diagnosis

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Table A.1.

Results for the ionised-gas metallicity gradients for the MEGADES sample as functions of the effective radius and galactocentric distance.

Name	[M/H]_gas,photo		[M/H]_gas,all		[M/H]_gas,photo		[M/H]_gas,all		R_e
	slope	y-intercept	slope	y-intercept	slope	y-intercept	slope	y-intercept
	[dex R $_{e}^{- 1}$ $_{\mathrm{e}}^{-1}$ ]	[dex]	[dex R $_{e}^{- 1}$ $_{\mathrm{e}}^{-1}$ ]	[dex]	[dex kpc⁻¹]	[dex]	[dex kpc⁻¹]	[dex]	[arcsec]
IC1683	−0.062 $_{- 0.021}^{+ 0.022}$ $^{+0.022}_{-0.021}$	−1.876 $_{- 0.025}^{+ 0.025}$ $^{+0.025}_{-0.025}$	−0.055 $_{- 0.021}^{+ 0.020}$ $^{+0.020}_{-0.021}$	−1.846 $_{- 0.022}^{+ 0.022}$ $^{+0.022}_{-0.022}$	−0.014 $_{- 0.005}^{+ 0.005}$ $^{+0.005}_{-0.005}$	−0.428 $_{- 0.006}^{+ 0.006}$ $^{+0.006}_{-0.006}$	−0.013 $_{- 0.005}^{+ 0.005}$ $^{+0.005}_{-0.005}$	−0.421 $_{- 0.005}^{+ 0.005}$ $^{+0.005}_{-0.005}$	13.25
NGC0023	0.003 $_{- 0.000}^{+ 0.098}$ $^{+0.098}_{-0.000}$	−1.145 $_{- 0.017}^{+ 0.017}$ $^{+0.017}_{-0.017}$	−0.016 $_{- 0.000}^{+ 0.078}$ $^{+0.078}_{-0.000}$	−1.079 $_{- 0.345}^{+ 0.000}$ $^{+0.000}_{-0.345}$	0.001 $_{- 0.000}^{+ 0.032}$ $^{+0.032}_{-0.000}$	−0.373 $_{- 0.006}^{+ 0.005}$ $^{+0.005}_{-0.006}$	−0.005 $_{- 0.000}^{+ 0.025}$ $^{+0.025}_{-0.000}$	−0.352 $_{- 0.113}^{+ 0.000}$ $^{+0.000}_{-0.113}$	9.89
NGC0600	−0.287 $_{- 0.069}^{+ 0.066}$ $^{+0.066}_{-0.069}$	−1.845 $_{- 0.032}^{+ 0.033}$ $^{+0.033}_{-0.032}$	−0.277 $_{- 0.065}^{+ 0.068}$ $^{+0.068}_{-0.065}$	−1.848 $_{- 0.032}^{+ 0.031}$ $^{+0.031}_{-0.032}$	−0.067 $_{- 0.016}^{+ 0.015}$ $^{+0.015}_{-0.016}$	−0.429 $_{- 0.007}^{+ 0.008}$ $^{+0.008}_{-0.007}$	−0.064 $_{- 0.015}^{+ 0.016}$ $^{+0.016}_{-0.015}$	−0.430 $_{- 0.007}^{+ 0.007}$ $^{+0.007}_{-0.007}$	33.86
NGC0716	0.041 $_{- 0.009}^{+ 0.009}$ $^{+0.009}_{-0.009}$	−1.748 $_{- 0.022}^{+ 0.021}$ $^{+0.021}_{-0.022}$	−0.040 $_{- 0.007}^{+ 0.006}$ $^{+0.006}_{-0.007}$	−1.518 $_{- 0.014}^{+ 0.014}$ $^{+0.014}_{-0.014}$	0.011 $_{- 0.002}^{+ 0.002}$ $^{+0.002}_{-0.002}$	−0.455 $_{- 0.006}^{+ 0.006}$ $^{+0.006}_{-0.006}$	−0.010 $_{- 0.002}^{+ 0.002}$ $^{+0.002}_{-0.002}$	−0.395 $_{- 0.004}^{+ 0.004}$ $^{+0.004}_{-0.004}$	12.40
NGC0718	−	−	−	−	−	−	−	−	21.34
NGC1042	0.076 $_{- 0.619}^{+ 0.605}$ $^{+0.605}_{-0.619}$	−1.881 $_{- 0.130}^{+ 0.123}$ $^{+0.123}_{-0.130}$	−2.536 $_{- 0.298}^{+ 0.331}$ $^{+0.331}_{-0.298}$	−1.395 $_{- 0.043}^{+ 0.039}$ $^{+0.039}_{-0.043}$	0.017 $_{- 0.138}^{+ 0.135}$ $^{+0.135}_{-0.138}$	−0.418 $_{- 0.029}^{+ 0.027}$ $^{+0.027}_{-0.029}$	−0.564 $_{- 0.066}^{+ 0.074}$ $^{+0.074}_{-0.066}$	−0.310 $_{- 0.010}^{+ 0.009}$ $^{+0.009}_{-0.010}$	47.81
NGC1087	−0.130 $_{- 0.092}^{+ 0.106}$ $^{+0.106}_{-0.092}$	−1.813 $_{- 0.015}^{+ 0.015}$ $^{+0.015}_{-0.015}$	−0.131 $_{- 0.092}^{+ 0.108}$ $^{+0.108}_{-0.092}$	−1.823 $_{- 0.400}^{+ 0.000}$ $^{+0.000}_{-0.400}$	−0.031 $_{- 0.022}^{+ 0.026}$ $^{+0.026}_{-0.022}$	−0.438 $_{- 0.004}^{+ 0.004}$ $^{+0.004}_{-0.004}$	−0.032 $_{- 0.022}^{+ 0.026}$ $^{+0.026}_{-0.022}$	−0.440 $_{- 0.097}^{+ 0.000}$ $^{+0.000}_{-0.097}$	39.45
NGC2500	0.468 $_{- 0.249}^{+ 0.259}$ $^{+0.259}_{-0.249}$	−0.575 $_{- 0.036}^{+ 0.035}$ $^{+0.035}_{-0.036}$	0.541 $_{- 0.251}^{+ 0.263}$ $^{+0.263}_{-0.251}$	−0.591 $_{- 0.039}^{+ 0.038}$ $^{+0.038}_{-0.039}$	0.473 $_{- 0.252}^{+ 0.262}$ $^{+0.262}_{-0.252}$	−0.581 $_{- 0.037}^{+ 0.036}$ $^{+0.036}_{-0.037}$	0.546 $_{- 0.254}^{+ 0.265}$ $^{+0.265}_{-0.254}$	−0.597 $_{- 0.040}^{+ 0.038}$ $^{+0.038}_{-0.040}$	28.29
NGC2537	−0.251 $_{- 0.353}^{+ 0.376}$ $^{+0.376}_{-0.353}$	−0.393 $_{- 0.116}^{+ 0.110}$ $^{+0.110}_{-0.116}$	−0.406 $_{- 0.350}^{+ 0.322}$ $^{+0.322}_{-0.350}$	−0.396 $_{- 0.028}^{+ 0.027}$ $^{+0.027}_{-0.028}$	−0.300 $_{- 0.423}^{+ 0.449}$ $^{+0.449}_{-0.423}$	−0.470 $_{- 0.139}^{+ 0.131}$ $^{+0.131}_{-0.139}$	−0.486 $_{- 0.418}^{+ 0.386}$ $^{+0.386}_{-0.418}$	−0.473 $_{- 0.033}^{+ 0.032}$ $^{+0.032}_{-0.033}$	26.97
NGC2543	−0.161 $_{- 0.157}^{+ 0.129}$ $^{+0.129}_{-0.157}$	−1.642 $_{- 0.279}^{+ 0.000}$ $^{+0.000}_{-0.279}$	0.199 $_{- 0.151}^{+ 0.157}$ $^{+0.157}_{-0.151}$	−1.812 $_{- 0.029}^{+ 0.029}$ $^{+0.029}_{-0.029}$	−0.037 $_{- 0.036}^{+ 0.030}$ $^{+0.030}_{-0.036}$	−0.379 $_{- 0.064}^{+ 0.000}$ $^{+0.000}_{-0.064}$	0.046 $_{- 0.035}^{+ 0.036}$ $^{+0.036}_{-0.035}$	−0.418 $_{- 0.007}^{+ 0.007}$ $^{+0.007}_{-0.007}$	25.66
NGC2552	−	−	−	−	−	−	−	−	40.81
NGC2967	0.350 $_{- 0.158}^{+ 0.173}$ $^{+0.173}_{-0.158}$	−2.638 $_{- 0.493}^{+ 0.533}$ $^{+0.533}_{-0.493}$	0.320 $_{- 0.152}^{+ 0.130}$ $^{+0.130}_{-0.152}$	−2.557 $_{- 0.391}^{+ 0.406}$ $^{+0.406}_{-0.391}$	0.081 $_{- 0.037}^{+ 0.040}$ $^{+0.040}_{-0.037}$	−0.610 $_{- 0.114}^{+ 0.123}$ $^{+0.123}_{-0.114}$	0.074 $_{- 0.035}^{+ 0.030}$ $^{+0.030}_{-0.035}$	−0.591 $_{- 0.090}^{+ 0.094}$ $^{+0.094}_{-0.090}$	25.61
NGC3104	−	−	−	−	−	−	−	−	−
NGC3485	−2.091 $_{- 0.549}^{+ 0.526}$ $^{+0.526}_{-0.549}$	−1.155 $_{- 0.191}^{+ 0.188}$ $^{+0.188}_{-0.191}$	−1.849 $_{- 0.379}^{+ 0.385}$ $^{+0.385}_{-0.379}$	−1.166 $_{- 0.044}^{+ 0.044}$ $^{+0.044}_{-0.044}$	−0.647 $_{- 0.170}^{+ 0.163}$ $^{+0.163}_{-0.170}$	−0.357 $_{- 0.059}^{+ 0.058}$ $^{+0.058}_{-0.059}$	−0.572 $_{- 0.117}^{+ 0.119}$ $^{+0.119}_{-0.117}$	−0.360 $_{- 0.014}^{+ 0.013}$ $^{+0.013}_{-0.014}$	32.67
NGC3507^†	−3.278 $_{- 0.285}^{+ 0.272}$ $^{+0.272}_{-0.285}$	−0.057 $_{- 0.039}^{+ 0.039}$ $^{+0.039}_{-0.039}$	−1.293 $_{- 0.129}^{+ 0.134}$ $^{+0.134}_{-0.129}$	−0.313 $_{- 0.019}^{+ 0.018}$ $^{+0.018}_{-0.019}$	−1.379 $_{- 0.120}^{+ 0.114}$ $^{+0.114}_{-0.120}$	−0.024 $_{- 0.016}^{+ 0.016}$ $^{+0.016}_{-0.016}$	−0.544 $_{- 0.054}^{+ 0.056}$ $^{+0.056}_{-0.054}$	−0.132 $_{- 0.008}^{+ 0.008}$ $^{+0.008}_{-0.008}$	34.97
NGC3780	−	−	−	−	−	−	−	−	36.24
NGC3893	−0.010 $_{- 0.057}^{+ 0.058}$ $^{+0.058}_{-0.057}$	−0.643 $_{- 0.077}^{+ 0.000}$ $^{+0.000}_{-0.077}$	0.011 $_{- 0.042}^{+ 0.048}$ $^{+0.048}_{-0.042}$	−0.672 $_{- 0.005}^{+ 0.005}$ $^{+0.005}_{-0.005}$	−0.007 $_{- 0.040}^{+ 0.040}$ $^{+0.040}_{-0.040}$	−0.443 $_{- 0.053}^{+ 0.000}$ $^{+0.000}_{-0.053}$	0.008 $_{- 0.029}^{+ 0.033}$ $^{+0.033}_{-0.029}$	−0.463 $_{- 0.003}^{+ 0.004}$ $^{+0.004}_{-0.003}$	21.65
NGC3982^†	−0.305 $_{- 0.054}^{+ 0.050}$ $^{+0.050}_{-0.054}$	−0.517 $_{- 0.052}^{+ 0.058}$ $^{+0.058}_{-0.052}$	−0.782 $_{- 0.055}^{+ 0.070}$ $^{+0.070}_{-0.055}$	−0.317 $_{- 0.093}^{+ 0.000}$ $^{+0.000}_{-0.093}$	−0.210 $_{- 0.037}^{+ 0.034}$ $^{+0.034}_{-0.037}$	−0.356 $_{- 0.036}^{+ 0.040}$ $^{+0.040}_{-0.036}$	−0.540 $_{- 0.038}^{+ 0.049}$ $^{+0.049}_{-0.038}$	−0.218 $_{- 0.064}^{+ 0.000}$ $^{+0.000}_{-0.064}$	18.83
NGC3998^†	−	−	−	−	−	−	−	−	15.17
NGC4037	−0.610 $_{- 0.129}^{+ 0.133}$ $^{+0.133}_{-0.129}$	−0.907 $_{- 0.017}^{+ 0.016}$ $^{+0.016}_{-0.017}$	−0.716 $_{- 0.123}^{+ 0.121}$ $^{+0.121}_{-0.123}$	−0.899 $_{- 0.016}^{+ 0.016}$ $^{+0.016}_{-0.016}$	−0.278 $_{- 0.059}^{+ 0.061}$ $^{+0.061}_{-0.059}$	−0.414 $_{- 0.008}^{+ 0.007}$ $^{+0.007}_{-0.008}$	−0.327 $_{- 0.056}^{+ 0.055}$ $^{+0.055}_{-0.056}$	−0.410 $_{- 0.007}^{+ 0.007}$ $^{+0.007}_{-0.007}$	34.23
NGC4041	−0.043 $_{- 0.059}^{+ 0.045}$ $^{+0.045}_{-0.059}$	−0.568 $_{- 0.073}^{+ 0.000}$ $^{+0.000}_{-0.073}$	−0.171 $_{- 0.043}^{+ 0.043}$ $^{+0.043}_{-0.043}$	−0.524 $_{- 0.086}^{+ 0.000}$ $^{+0.000}_{-0.086}$	−0.032 $_{- 0.044}^{+ 0.034}$ $^{+0.034}_{-0.044}$	−0.425 $_{- 0.054}^{+ 0.000}$ $^{+0.000}_{-0.054}$	−0.128 $_{- 0.032}^{+ 0.032}$ $^{+0.032}_{-0.032}$	−0.392 $_{- 0.064}^{+ 0.000}$ $^{+0.000}_{-0.064}$	15.91
NGC4189	0.462 $_{- 0.219}^{+ 0.230}$ $^{+0.230}_{-0.219}$	−2.432 $_{- 0.045}^{+ 0.049}$ $^{+0.049}_{-0.045}$	0.140 $_{- 0.180}^{+ 0.179}$ $^{+0.179}_{-0.180}$	−2.377 $_{- 0.045}^{+ 0.044}$ $^{+0.044}_{-0.045}$	0.087 $_{- 0.041}^{+ 0.043}$ $^{+0.043}_{-0.041}$	−0.457 $_{- 0.009}^{+ 0.009}$ $^{+0.009}_{-0.009}$	0.026 $_{- 0.034}^{+ 0.034}$ $^{+0.034}_{-0.034}$	−0.446 $_{- 0.008}^{+ 0.008}$ $^{+0.008}_{-0.008}$	36.98
NGC4278^†	−	−	−	−	−	−	−	−	17.55
NGC4593^†	−0.784 $_{- 0.144}^{+ 0.166}$ $^{+0.166}_{-0.144}$	−0.566 $_{- 0.280}^{+ 0.302}$ $^{+0.302}_{-0.280}$	−0.453 $_{- 0.130}^{+ 0.131}$ $^{+0.131}_{-0.130}$	−0.743 $_{- 0.221}^{+ 0.000}$ $^{+0.000}_{-0.221}$	−0.242 $_{- 0.044}^{+ 0.051}$ $^{+0.051}_{-0.044}$	−0.175 $_{- 0.086}^{+ 0.093}$ $^{+0.093}_{-0.086}$	−0.140 $_{- 0.040}^{+ 0.040}$ $^{+0.040}_{-0.040}$	−0.229 $_{- 0.068}^{+ 0.000}$ $^{+0.000}_{-0.068}$	18.96
NGC4750^†	−1.384 $_{- 0.297}^{+ 0.309}$ $^{+0.309}_{-0.297}$	0.059 $_{- 0.127}^{+ 0.129}$ $^{+0.129}_{-0.127}$	−0.945 $_{- 0.051}^{+ 0.047}$ $^{+0.047}_{-0.051}$	−0.230 $_{- 0.014}^{+ 0.014}$ $^{+0.014}_{-0.014}$	−0.547 $_{- 0.118}^{+ 0.122}$ $^{+0.122}_{-0.118}$	0.023 $_{- 0.050}^{+ 0.051}$ $^{+0.051}_{-0.050}$	−0.374 $_{- 0.020}^{+ 0.019}$ $^{+0.019}_{-0.020}$	−0.091 $_{- 0.006}^{+ 0.006}$ $^{+0.006}_{-0.006}$	22.78
NGC5218^†	−0.585 $_{- 0.133}^{+ 0.127}$ $^{+0.127}_{-0.133}$	−0.757 $_{- 0.307}^{+ 0.000}$ $^{+0.000}_{-0.307}$	−0.492 $_{- 0.087}^{+ 0.111}$ $^{+0.111}_{-0.087}$	−0.744 $_{- 0.018}^{+ 0.017}$ $^{+0.017}_{-0.018}$	−0.164 $_{- 0.037}^{+ 0.035}$ $^{+0.035}_{-0.037}$	−0.211 $_{- 0.086}^{+ 0.000}$ $^{+0.000}_{-0.086}$	−0.137 $_{- 0.024}^{+ 0.031}$ $^{+0.031}_{-0.024}$	−0.208 $_{- 0.005}^{+ 0.005}$ $^{+0.005}_{-0.005}$	18.36
NGC5394	−0.229 $_{- 0.000}^{+ 0.068}$ $^{+0.068}_{-0.000}$	−0.620 $_{- 0.199}^{+ 0.000}$ $^{+0.000}_{-0.199}$	−0.220 $_{- 0.000}^{+ 0.063}$ $^{+0.063}_{-0.000}$	−0.621 $_{- 0.008}^{+ 0.008}$ $^{+0.008}_{-0.008}$	−0.112 $_{- 0.000}^{+ 0.033}$ $^{+0.033}_{-0.000}$	−0.304 $_{- 0.098}^{+ 0.000}$ $^{+0.000}_{-0.098}$	−0.108 $_{- 0.000}^{+ 0.031}$ $^{+0.031}_{-0.000}$	−0.305 $_{- 0.004}^{+ 0.004}$ $^{+0.004}_{-0.004}$	8.68
NGC5616	0.084 $_{- 0.033}^{+ 0.033}$ $^{+0.033}_{-0.033}$	−6.926 $_{- 0.142}^{+ 0.139}$ $^{+0.139}_{-0.142}$	−0.230 $_{- 0.021}^{+ 0.022}$ $^{+0.022}_{-0.021}$	−5.544 $_{- 0.080}^{+ 0.079}$ $^{+0.079}_{-0.080}$	0.006 $_{- 0.002}^{+ 0.002}$ $^{+0.002}_{-0.002}$	−0.478 $_{- 0.010}^{+ 0.010}$ $^{+0.010}_{-0.010}$	−0.016 $_{- 0.001}^{+ 0.002}$ $^{+0.002}_{-0.001}$	−0.383 $_{- 0.006}^{+ 0.005}$ $^{+0.005}_{-0.006}$	25.67
NGC5953^†	0.014 $_{- 0.000}^{+ 0.030}$ $^{+0.030}_{-0.000}$	−0.363 $_{- 0.003}^{+ 0.003}$ $^{+0.003}_{-0.003}$	0.003 $_{- 0.000}^{+ 0.028}$ $^{+0.028}_{-0.000}$	−0.356 $_{- 0.083}^{+ 0.000}$ $^{+0.000}_{-0.083}$	0.015 $_{- 0.000}^{+ 0.034}$ $^{+0.034}_{-0.000}$	−0.410 $_{- 0.004}^{+ 0.003}$ $^{+0.003}_{-0.004}$	0.004 $_{- 0.000}^{+ 0.032}$ $^{+0.032}_{-0.000}$	−0.402 $_{- 0.094}^{+ 0.000}$ $^{+0.000}_{-0.094}$	6.56
NGC5957^†	−0.743 $_{- 0.132}^{+ 0.135}$ $^{+0.135}_{-0.132}$	−0.953 $_{- 0.046}^{+ 0.043}$ $^{+0.043}_{-0.046}$	−0.891 $_{- 0.115}^{+ 0.114}$ $^{+0.114}_{-0.115}$	−0.946 $_{- 0.030}^{+ 0.030}$ $^{+0.030}_{-0.030}$	−0.216 $_{- 0.038}^{+ 0.039}$ $^{+0.039}_{-0.038}$	−0.277 $_{- 0.013}^{+ 0.013}$ $^{+0.013}_{-0.013}$	−0.258 $_{- 0.033}^{+ 0.033}$ $^{+0.033}_{-0.033}$	−0.275 $_{- 0.009}^{+ 0.009}$ $^{+0.009}_{-0.009}$	27.57
NGC5963	0.002 $_{- 0.023}^{+ 0.021}$ $^{+0.021}_{-0.023}$	−0.285 $_{- 0.034}^{+ 0.000}$ $^{+0.000}_{-0.034}$	0.002 $_{- 0.022}^{+ 0.021}$ $^{+0.021}_{-0.022}$	−0.287 $_{- 0.049}^{+ 0.000}$ $^{+0.000}_{-0.049}$	0.003 $_{- 0.036}^{+ 0.032}$ $^{+0.032}_{-0.036}$	−0.445 $_{- 0.054}^{+ 0.000}$ $^{+0.000}_{-0.054}$	0.003 $_{- 0.034}^{+ 0.033}$ $^{+0.033}_{-0.034}$	−0.449 $_{- 0.077}^{+ 0.000}$ $^{+0.000}_{-0.077}$	14.20
NGC6027	−0.119 $_{- 0.115}^{+ 0.112}$ $^{+0.112}_{-0.115}$	−0.692 $_{- 0.333}^{+ 0.000}$ $^{+0.000}_{-0.333}$	−0.078 $_{- 0.061}^{+ 0.064}$ $^{+0.064}_{-0.061}$	−0.757 $_{- 0.191}^{+ 0.000}$ $^{+0.000}_{-0.191}$	−0.063 $_{- 0.061}^{+ 0.059}$ $^{+0.059}_{-0.061}$	−0.365 $_{- 0.176}^{+ 0.000}$ $^{+0.000}_{-0.176}$	−0.041 $_{- 0.032}^{+ 0.034}$ $^{+0.034}_{-0.032}$	−0.400 $_{- 0.101}^{+ 0.000}$ $^{+0.000}_{-0.101}$	6.33
NGC6140	0.066 $_{- 0.036}^{+ 0.036}$ $^{+0.036}_{-0.036}$	−0.832 $_{- 0.008}^{+ 0.008}$ $^{+0.008}_{-0.008}$	0.062 $_{- 0.034}^{+ 0.035}$ $^{+0.035}_{-0.034}$	−0.829 $_{- 0.008}^{+ 0.008}$ $^{+0.008}_{-0.008}$	0.041 $_{- 0.022}^{+ 0.023}$ $^{+0.023}_{-0.022}$	−0.517 $_{- 0.005}^{+ 0.005}$ $^{+0.005}_{-0.005}$	0.039 $_{- 0.021}^{+ 0.022}$ $^{+0.022}_{-0.021}$	−0.515 $_{- 0.005}^{+ 0.005}$ $^{+0.005}_{-0.005}$	25.55
NGC6217^†	0.733 $_{- 0.119}^{+ 0.123}$ $^{+0.123}_{-0.119}$	−1.417 $_{- 0.028}^{+ 0.028}$ $^{+0.028}_{-0.028}$	0.431 $_{- 0.123}^{+ 0.106}$ $^{+0.106}_{-0.123}$	−1.131 $_{- 0.016}^{+ 0.015}$ $^{+0.015}_{-0.016}$	0.197 $_{- 0.032}^{+ 0.033}$ $^{+0.033}_{-0.032}$	−0.381 $_{- 0.008}^{+ 0.008}$ $^{+0.008}_{-0.008}$	0.116 $_{- 0.033}^{+ 0.028}$ $^{+0.028}_{-0.033}$	−0.304 $_{- 0.004}^{+ 0.004}$ $^{+0.004}_{-0.004}$	39.56
NGC6339	0.006 $_{- 0.026}^{+ 0.027}$ $^{+0.027}_{-0.026}$	−2.046 $_{- 0.020}^{+ 0.020}$ $^{+0.020}_{-0.020}$	0.007 $_{- 0.026}^{+ 0.026}$ $^{+0.026}_{-0.026}$	−2.048 $_{- 0.020}^{+ 0.020}$ $^{+0.020}_{-0.020}$	0.001 $_{- 0.006}^{+ 0.006}$ $^{+0.006}_{-0.006}$	−0.465 $_{- 0.005}^{+ 0.004}$ $^{+0.004}_{-0.005}$	0.002 $_{- 0.006}^{+ 0.006}$ $^{+0.006}_{-0.006}$	−0.465 $_{- 0.005}^{+ 0.004}$ $^{+0.004}_{-0.005}$	30.35
NGC6412	−0.023 $_{- 0.105}^{+ 0.097}$ $^{+0.097}_{-0.105}$	−1.509 $_{- 0.021}^{+ 0.020}$ $^{+0.020}_{-0.021}$	−0.021 $_{- 0.093}^{+ 0.091}$ $^{+0.091}_{-0.093}$	−1.512 $_{- 0.020}^{+ 0.020}$ $^{+0.020}_{-0.020}$	−0.008 $_{- 0.035}^{+ 0.032}$ $^{+0.032}_{-0.035}$	−0.504 $_{- 0.007}^{+ 0.007}$ $^{+0.007}_{-0.007}$	−0.007 $_{- 0.031}^{+ 0.030}$ $^{+0.030}_{-0.031}$	−0.505 $_{- 0.007}^{+ 0.007}$ $^{+0.007}_{-0.007}$	33.28
NGC7025	−	−	−	−	−	−	−	−	17.77
NGC7437	0.178 $_{- 0.636}^{+ 0.633}$ $^{+0.633}_{-0.636}$	−1.696 $_{- 0.438}^{+ 0.510}$ $^{+0.510}_{-0.438}$	0.309 $_{- 0.344}^{+ 0.317}$ $^{+0.317}_{-0.344}$	−1.739 $_{- 0.243}^{+ 0.274}$ $^{+0.274}_{-0.243}$	0.051 $_{- 0.184}^{+ 0.183}$ $^{+0.183}_{-0.184}$	−0.490 $_{- 0.126}^{+ 0.147}$ $^{+0.147}_{-0.126}$	0.089 $_{- 0.099}^{+ 0.092}$ $^{+0.092}_{-0.099}$	−0.502 $_{- 0.070}^{+ 0.079}$ $^{+0.079}_{-0.070}$	23.72
NGC7479^†	−0.163 $_{- 0.243}^{+ 0.269}$ $^{+0.269}_{-0.243}$	−1.442 $_{- 0.907}^{+ 0.000}$ $^{+0.000}_{-0.907}$	−1.062 $_{- 0.148}^{+ 0.197}$ $^{+0.197}_{-0.148}$	−0.850 $_{- 0.528}^{+ 0.000}$ $^{+0.000}_{-0.528}$	−0.028 $_{- 0.041}^{+ 0.046}$ $^{+0.046}_{-0.041}$	−0.244 $_{- 0.153}^{+ 0.000}$ $^{+0.000}_{-0.153}$	−0.180 $_{- 0.025}^{+ 0.033}$ $^{+0.033}_{-0.025}$	−0.144 $_{- 0.089}^{+ 0.000}$ $^{+0.000}_{-0.089}$	36.28
NGC7591^†	−0.176 $_{- 0.143}^{+ 0.128}$ $^{+0.128}_{-0.143}$	−2.091 $_{- 0.395}^{+ 0.349}$ $^{+0.349}_{-0.395}$	−0.932 $_{- 0.024}^{+ 0.024}$ $^{+0.024}_{-0.024}$	−0.878 $_{- 0.026}^{+ 0.024}$ $^{+0.024}_{-0.026}$	−0.037 $_{- 0.030}^{+ 0.027}$ $^{+0.027}_{-0.030}$	−0.440 $_{- 0.083}^{+ 0.073}$ $^{+0.073}_{-0.083}$	−0.196 $_{- 0.005}^{+ 0.005}$ $^{+0.005}_{-0.005}$	−0.185 $_{- 0.005}^{+ 0.005}$ $^{+0.005}_{-0.005}$	14.11
NGC7738	1.485 $_{- 0.925}^{+ 0.969}$ $^{+0.969}_{-0.925}$	−4.966 $_{- 2.125}^{+ 2.236}$ $^{+2.236}_{-2.125}$	−0.148 $_{- 0.114}^{+ 0.210}$ $^{+0.210}_{-0.114}$	−2.113 $_{- 0.050}^{+ 0.048}$ $^{+0.048}_{-0.050}$	0.187 $_{- 0.117}^{+ 0.122}$ $^{+0.122}_{-0.117}$	−0.626 $_{- 0.268}^{+ 0.282}$ $^{+0.282}_{-0.268}$	−0.019 $_{- 0.014}^{+ 0.027}$ $^{+0.027}_{-0.014}$	−0.266 $_{- 0.006}^{+ 0.006}$ $^{+0.006}_{-0.006}$	17.43
NGC7787	0.165 $_{- 0.057}^{+ 0.061}$ $^{+0.061}_{-0.057}$	−1.301 $_{- 0.050}^{+ 0.050}$ $^{+0.050}_{-0.050}$	0.194 $_{- 0.037}^{+ 0.036}$ $^{+0.036}_{-0.037}$	−1.316 $_{- 0.026}^{+ 0.028}$ $^{+0.028}_{-0.026}$	0.052 $_{- 0.018}^{+ 0.019}$ $^{+0.019}_{-0.018}$	−0.415 $_{- 0.016}^{+ 0.016}$ $^{+0.016}_{-0.016}$	0.062 $_{- 0.012}^{+ 0.012}$ $^{+0.012}_{-0.012}$	−0.419 $_{- 0.008}^{+ 0.009}$ $^{+0.009}_{-0.008}$	6.99
PGC066559	−	−	−	−	−0.048 $_{- 0.036}^{+ 0.036}$ $^{+0.036}_{-0.036}$	−0.573 $_{- 0.044}^{+ 0.042}$ $^{+0.042}_{-0.044}$	−0.050 $_{- 0.036}^{+ 0.036}$ $^{+0.036}_{-0.036}$	−0.571 $_{- 0.042}^{+ 0.043}$ $^{+0.043}_{-0.042}$	−

(1) galaxy name; (2) to (5) slope and y-intercept estimations corresponding to the interstellar gas metallicity gradient when only and not only (all) excited by photoionisation lines are used, computed as a function of the effective radius; (6) to (9) slope and y-intercept estimations corresponding to the interstellar gas metallicity gradient when only and not only (all) excited by photoionisation lines are used; (10) effective radius. ^† Galaxies classified as LINER or Seyfert in the literature.

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