**Table 6:** H $\beta$ corrections for apertures.
Galaxy	aperture	EWO[III]	Quality	EWH $\alpha$
NGC 128	0	-0.263	2.000	-0.558
NGC 128	1	-0.210	1.000	-0.532
NGC 128	2	-0.205	1.000	-0.481
NGC 128	3	-0.182	1.000	-0.465
NGC 128	4	-0.053	0.000	-0.325
NGC 128	5	0.006	0.000	-0.301
NGC 128	6	0.036	0.000	-0.186
NGC 777	0	0.039	0.000	-0.126
NGC 777	1	0.077	0.000	-0.114
NGC 777	2	0.060	0.000	-0.100
NGC 777	3	0.076	0.000	-0.103
NGC 777	4	0.112	0.000	-0.113
NGC 777	5	0.144	0.000	-0.124
NGC 777	6	0.071	0.000	-0.124
........	.....	......	......	.......

The table provides in Col. 2 the number of the aperture, the correspondent radius of which is given in Table 9, and the estimate of the EW of the O[III] and H $\alpha$ (Cols. 3 and 5 respectively) obtained from the subtraction of the template galaxy, NGC 1426. Column 4 gives the quality of the measure, obtained as the ratio between the estimated emission ( $F_{\rm gal}- F_{\rm templ}$ ) and the variance of the spectrum in the O[III] wavelength region, $\sigma_\lambda$ . When the emission is lower than the variance the quality is set to 0. When the emission is between 1 and 2 $\sigma_\lambda$ or larger than 2 $\sigma_\lambda$ the quality is set to 1 and 2 respectively. The entire table is given is electronic form at the CDS.

Source LaTeX | All tables | In the text

	1 Introduction
	2 Characterization of the sample
	3 Observations and data-reduction
	4 Measurements of line-strength indices and transformation to the Lick-IDS System
	5 Results
	6 Summary
	References
	Online Material
	Appendix A: Relevant notes on individual galaxies from the literature