Table 8: The same parameters as shown in Table 7, but the logarithmic H $\alpha$ luminosity is given by the fraction of the logarithmic H $\alpha$ luminosity of the catalogue corresponding to the most intense Gaussian peak.
Bin Envelope fit

NGC 1530 0.15 log $L_{\scriptsize\mbox{H$\alpha$ }} \sim (36.1 \pm 0.2)+(2.4 \pm 0.2)~\log~\rm\sigma_{nt}$

NGC 3359 0.15 log $L_{\scriptsize\mbox{H$\alpha$ }} \sim (37.4 \pm 0.2)+(1.5 \pm 0.7)~\log~\rm\sigma_{nt}$

NGC 6951 0.15 log $L_{\scriptsize\mbox{H$\alpha$ }} \sim (37.7 \pm 0.4)+(1.2 \pm 0.4)~\log~ \rm\sigma_{nt}$

All galaxies 0.15 log $L_{\scriptsize\mbox{H$\alpha$ }} \sim (37.5 \pm 0.1)+(1.57 \pm 0.07)~log~\rm\sigma_{nt}$

**Table 8:** The same parameters as shown in Table 7, but the logarithmic H $\alpha$ luminosity is given by the fraction of the logarithmic H $\alpha$ luminosity of the catalogue corresponding to the most intense Gaussian peak.
	Bin	Envelope fit
NGC 1530	0.15	log $L_{\scriptsize\mbox{H$\alpha$ }} \sim (36.1 \pm 0.2)+(2.4 \pm 0.2)~\log~\rm\sigma_{nt}$
NGC 3359	0.15	log $L_{\scriptsize\mbox{H$\alpha$ }} \sim (37.4 \pm 0.2)+(1.5 \pm 0.7)~\log~\rm\sigma_{nt}$
NGC 6951	0.15	log $L_{\scriptsize\mbox{H$\alpha$ }} \sim (37.7 \pm 0.4)+(1.2 \pm 0.4)~\log~ \rm\sigma_{nt}$
All galaxies	0.15	log $L_{\scriptsize\mbox{H$\alpha$ }} \sim (37.5 \pm 0.1)+(1.57 \pm 0.07)~log~\rm\sigma_{nt}$

Source LaTeX | All tables | In the text

	1 Introduction
	2 The observations
	3 Relating the photometric and spectroscopic data sets
	4 Extraction of the line profiles
	5 Spectral analysis
	6 The luminosity v. non-thermal velocity dispersion relation
	7 The masses of the H II regions in the log L ${_{\scriptsize {\rm H \alpha}}}$ - log ${\sigma _{\rm nt}}$ diagram
	8 Conclusions
	Appendix A: The effects of different H II region size estimate criteria
	References