**Table 1:** Galaxy parameters.
Galaxy	RA (2000)^a	Dec (2000)^a	Morphological^a	Distance^b	i^c	PA^c	R₂₅^c
			type	(Mpc)	(deg)	(deg)	(arcsec)
NGC 1232	03 $^{\rm h}$ 09 $^{\rm m}$ 45 $.\!\!^{\rm s}$ 5	-20 ${}^\circ$ 34 ${}^{\prime}$ 46 ${}^{\prime\prime}$	SAB(rs)c	19.6	29	108	222
NGC 1365	03 $^{\rm h}$ 33 $^{\rm m}$ 36 $.\!\!^{\rm s}$ 4	-36 ${}^\circ$ 08 ${}^{\prime}$ 25 ${}^{\prime\prime}$	SBb(s)b	17.2	57	32	337
NGC 2903	09 $^{\rm h}$ 32 $^{\rm m}$ 10 $.\!\!^{\rm s}$ 1	+21 ${}^\circ$ 30 ${}^{\prime}$ 03 ${}^{\prime\prime}$	SB(s)d	9.4	61	17	378
NGC 2997	09 $^{\rm h}$ 45 $^{\rm m}$ 38 $.\!\!^{\rm s}$ 8	-31 ${}^\circ$ 11 ${}^{\prime}$ 28 ${}^{\prime\prime}$	SA(s)c	9.4	41	110	300
NGC 5236	13 $^{\rm h}$ 37 $^{\rm m}$ 00 $.\!\!^{\rm s}$ 9	-29 ${}^\circ$ 51 ${}^{\prime}$ 57 ${}^{\prime\prime}$	SAB(s)c	4.5	27	45	395

^a Source: NASA/IPAC Extragalactic Database.
^b NGC 1232, NGC 2903, NGC 2997: Lyon/Meudon Extragalactic Database;
NGC 1365: Freedman et al. (2001); NGC 5236: Thim et al. (2003).
^c Source: RC3.

Source LaTeX | All tables | In the text

	1 Introduction
	2 Observations and data reduction
	3 Empirical diagrams
	4 Auroral lines and electron temperatures
	5 Chemical abundance: direct method
	6 Conclusions
	Appendix A: Serendipitous discovery of a z $\simeq$ 2.55 QSO
	References