Chemical abundances and deviations from the solar S/O ratio in the gas-phase interstellar medium of galaxies based on infrared emission lines

Open Access

Table 1.

Statistics of the chemical abundances and log(U) values derived from HCM-IR for our sample of galaxies.

	12 + log₁₀(O/H)				12 + log₁₀(S/H)			log₁₀(N/O)			log₁₀(U)
Sample	$N_{tot} °$ $\mathrm{N}_{\mathrm{tot}}^\circ$	N°	Med.	Std. dev.	N°	Med.	Std. dev.	N°	Med.	Std. dev.	N°	Med.	Std. dev.
All SFGs	131	128	8.57	0.30	59	6.68	0.38	22	−0.93	0.20	71	−2.97	0.34
Dwarfs	30	30	7.99	0.23	30	6.28	0.23	5	−1.14	0.19	30	−2.51	0.19
HII regions	22	21	8.69	0.14	14	7.09	0.17	7	−0.93	0.12	21	−3.20	0.16
(U)LIRGs	79	77	8.59	0.18	15	6.80	0.31	10	−0.86	0.09	20	−3.04	0.23

All AGNs	73	36	8.28	0.21	36	6.41	0.38	35	−0.83	0.16	65	−1.68	0.68
Seyferts	58	25	8.25	0.22	25	6.57	0.37	22	−0.79	0.19	52	−1.60	0.21
LINERs	3	2	8.22	0.12	2	6.42	0.03	1	−0.83	0.00	2	−3.08	0.15
(U)LIRGs	12	9	8.31	0.11	9	6.36	0.36	12	−0.88	0.07	11	−3.23	0.22

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