Table 6: Total chemical abundances of Sextans A and Sextans B PNe computed with both ICF and CLOUDY methods. We also report the unweigthed average of the two results. Metal abundances are expressed in 12+ $\log~$ (X/H).
Name He/H N/H O/H Ne/H S/H Ar/H

SexA-PN

ICF 0.084 $\pm$ 0.016 8.35 $\pm$ 0.2 8.1 $\pm$ 0.1 6.6 $\pm$ 0.2 5.8 $\pm$ 0.1 5.2 $\pm$ 0.4

CLOUDY 0.095 $\pm$ 0.02 8.4 $\pm$ 0.2 8.0 $\pm$ 0.1 6.7 $\pm$ 0.2 5.9 $\pm$ 0.2 5.2 $\pm$ 0.2

Average
0.09 $\pm$ 0.02 8.4 $\pm$ 0.2 8.0 $\pm$ 0.1 6.7 $\pm$ 0.2 5.9 $\pm$ 0.2 5.2 $\pm$ 0.3

SexB-PN1

ICF 0.099 $\pm$ 0.015 6.7: 8.0 $\pm$ 0.15 7.2 $\pm$ 0.3 - -

CLOUDY 0.10 $\pm$ 0.02 6.6: 8.1 $\pm$ 0.3 7.3 $\pm$ 0.3 - -

Average
0.10 $\pm$ 0.02 6.6: 8.1 $\pm$ 0.2 7.3 $\pm$ 0.3 - -

SexB-PN2

ICF 0.096 $\pm$ 0.016 6.7: 7.7 $\pm$ 0.3 6.8 $\pm$ 0.2 - -

CLOUDY 0.11 $\pm$ 0.02 6.6: 8.0 $\pm$ 0.2 7.0 $\pm$ 0.3 - -

Average
0.10 $\pm$ 0.02 6.6: 7.8 $\pm$ 0.2 6.9 $\pm$ 0.3 - -

SexB-PN3

ICF 0.076 $\pm$ 0.016 >5.5 $\dag$ 7.5 $\pm$ 0.3 6.9 $\pm$ 0.3 >4.9 $\dag$ 5.7 $\pm$ 0.2

CLOUDY 0.09 $\pm$ 0.02 6.5 $\pm$ 0.3 7.6 $\pm$ 0.2 7.1 $\pm$ 0.2 5.2: 5.5 $\pm$ 0.2

Average
0.08 $\pm$ 0.02 6.5 $\pm$ 0.3 7.5 $\pm$ 0.2 7.0 $\pm$ 0.2 5.2: 5.6 $\pm$ 0.2

SexB-PN4

ICF 0.095 $\pm$ 0.014 6.8 $\pm$ 0.3 8.3 $\pm$ 0.1 7.4 $\pm$ 0.1 5.3 $\pm$ 0.2 -

CLOUDY 0.09 $\pm$ 0.02 6.3 $\pm$ 0.3 8.2 $\pm$ 0.2 7.4 $\pm$ 0.2 5.2 $\pm$ 0.2 5.1:

Average
0.09 $\pm$ 0.02 6.5 $\pm$ 0.3 8.2 $\pm$ 0.2 7.4 $\pm$ 0.2 5.2 $\pm$ 0.2 5.1:

SexB-PN5

ICF 0.13 $\pm$ 0.02 7.5 $\pm$ 0.3 8.2 $\pm$ 0.1 7.6 $\pm$ 0.2 5.4 $\pm$ 0.2 -

CLOUDY 0.13 $\pm$ 0.02 7.0 $\pm$ 0.3 8.2 $\pm$ 0.2 7.6 $\pm$ 0.2 5.7 $\pm$ 0.2 -

Average
0.13 $\pm$ 0.02 7.3 $\pm$ 0.3 8.2 $\pm$ 0.1 7.6 $\pm$ 0.2 5.5 $\pm$ 0.2 -

Average Sextans B 0.10 $\pm$ 0.02 6.8 $\pm$ 0.6 8.0 $\pm$ 0.3 7.3 $\pm$ 0.3 5.3 $\pm$ 0.4 -

**Table 6:** Total chemical abundances of Sextans A and Sextans B PNe computed with both ICF and CLOUDY methods. We also report the unweigthed average of the two results. Metal abundances are expressed in 12+ $\log~$ (X/H).
Name	He/H	N/H	O/H	Ne/H	S/H	Ar/H
SexA-PN
ICF	0.084 $\pm$ 0.016	8.35 $\pm$ 0.2	8.1 $\pm$ 0.1	6.6 $\pm$ 0.2	5.8 $\pm$ 0.1	5.2 $\pm$ 0.4
CLOUDY	0.095 $\pm$ 0.02	8.4 $\pm$ 0.2	8.0 $\pm$ 0.1	6.7 $\pm$ 0.2	5.9 $\pm$ 0.2	5.2 $\pm$ 0.2
Average	0.09 $\pm$ 0.02	8.4 $\pm$ 0.2	8.0 $\pm$ 0.1	6.7 $\pm$ 0.2	5.9 $\pm$ 0.2	5.2 $\pm$ 0.3
SexB-PN1
ICF	0.099 $\pm$ 0.015	6.7:	8.0 $\pm$ 0.15	7.2 $\pm$ 0.3	-	-
CLOUDY	0.10 $\pm$ 0.02	6.6:	8.1 $\pm$ 0.3	7.3 $\pm$ 0.3	-	-
Average	0.10 $\pm$ 0.02	6.6:	8.1 $\pm$ 0.2	7.3 $\pm$ 0.3	-	-
SexB-PN2
ICF	0.096 $\pm$ 0.016	6.7:	7.7 $\pm$ 0.3	6.8 $\pm$ 0.2	-	-
CLOUDY	0.11 $\pm$ 0.02	6.6:	8.0 $\pm$ 0.2	7.0 $\pm$ 0.3	-	-
Average	0.10 $\pm$ 0.02	6.6:	7.8 $\pm$ 0.2	6.9 $\pm$ 0.3	-	-
SexB-PN3
ICF	0.076 $\pm$ 0.016	>5.5 $\dag$	7.5 $\pm$ 0.3	6.9 $\pm$ 0.3	>4.9 $\dag$	5.7 $\pm$ 0.2
CLOUDY	0.09 $\pm$ 0.02	6.5 $\pm$ 0.3	7.6 $\pm$ 0.2	7.1 $\pm$ 0.2	5.2:	5.5 $\pm$ 0.2
Average	0.08 $\pm$ 0.02	6.5 $\pm$ 0.3	7.5 $\pm$ 0.2	7.0 $\pm$ 0.2	5.2:	5.6 $\pm$ 0.2
SexB-PN4
ICF	0.095 $\pm$ 0.014	6.8 $\pm$ 0.3	8.3 $\pm$ 0.1	7.4 $\pm$ 0.1	5.3 $\pm$ 0.2	-
CLOUDY	0.09 $\pm$ 0.02	6.3 $\pm$ 0.3	8.2 $\pm$ 0.2	7.4 $\pm$ 0.2	5.2 $\pm$ 0.2	5.1:
Average	0.09 $\pm$ 0.02	6.5 $\pm$ 0.3	8.2 $\pm$ 0.2	7.4 $\pm$ 0.2	5.2 $\pm$ 0.2	5.1:
SexB-PN5
ICF	0.13 $\pm$ 0.02	7.5 $\pm$ 0.3	8.2 $\pm$ 0.1	7.6 $\pm$ 0.2	5.4 $\pm$ 0.2	-
CLOUDY	0.13 $\pm$ 0.02	7.0 $\pm$ 0.3	8.2 $\pm$ 0.2	7.6 $\pm$ 0.2	5.7 $\pm$ 0.2	-
Average	0.13 $\pm$ 0.02	7.3 $\pm$ 0.3	8.2 $\pm$ 0.1	7.6 $\pm$ 0.2	5.5 $\pm$ 0.2	-
Average Sextans B	0.10 $\pm$ 0.02	6.8 $\pm$ 0.6	8.0 $\pm$ 0.3	7.3 $\pm$ 0.3	5.3 $\pm$ 0.4	-

Source LaTeX | All tables | In the text

	1 Introduction
	2 Observations and data reduction
	3 Chemical abundances of planetary nebulae and H II regions
	4 The peculiar PN of Sextans A
	5 Summary
	References