DESI survey of S IV absorption outflows in quasars: Contribution to AGN feedback and comparison with [O III] emission outflows

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Volume 700 (August 2025)

A&A, 700 (2025) A94

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Table A.1.

Ionic column densities.

Ion	λ_rest	J0542	J0845	J0857	J1021	J1035	J1054	J1229	J1426
H I	1216	c	> 15.05_−0.10	> 14.90_−0.13	> 15.13_−0.14	> 15.27_−0.13	> 15.07_−0.11	> 15.15_−0.15	> 15.49_−0.13
C II	1335	$14 . 57_{- 0.15}^{+ 0.11}$ $14.57^{+0.11}_{-0.15}$	-	$14 . 64_{- 0.13}^{+ 0.10}$ $14.64^{+0.10}_{-0.13}$	$14 . 12_{- 0.20}^{+ 0.14}$ $14.12^{+0.14}_{-0.20}$	$14 . 59_{- 0.22}^{+ 0.14}$ $14.59^{+0.14}_{-0.22}$	-	$13 . 57_{- 0.10}^{+ 0.08}$ $13.57^{+0.08}_{-0.10}$	$14 . 95_{- 0.15}^{+ 0.11}$ $14.95^{+0.11}_{-0.15}$
CII*	1336	$14 . 72_{- 0.16}^{+ 0.11}$ $14.72^{+0.11}_{-0.16}$	-	$15 . 09_{- 0.19}^{+ 0.13}$ $15.09^{+0.13}_{-0.19}$	$14 . 35_{- 0.13}^{+ 0.10}$ $14.35^{+0.10}_{-0.13}$	b	-	$14 . 03_{- 0.19}^{+ 0.13}$ $14.03^{+0.13}_{-0.19}$	b
C IV	1551	> 15.36_−0.10	> 15.60_−0.10	> 15.75_−0.13	> 15.45_−0.11	> 15.89_−0.15	> 15.51_−0.14	> 15.32_−0.13	> 16.10_−0.20
N III	990	-	-	-	-	-	-	$15 . 35_{- 0.14}^{+ 0.11}$ $15.35^{+0.11}_{-0.14}$	-
NIII*	992	-	-	-	-	-	-	$15 . 57_{- 0.15}^{+ 0.11}$ $15.57^{+0.11}_{-0.15}$	-
N V	1243	> 15.29_−0.10	> 15.78_−0.10	> 15.83_−0.11	> 15.74_−0.12	> 15.99_−0.15	> 15.65_−0.14	> 15.69_−0.13	> 16.06_−0.12
O VI	1038	> 15.51_−0.10	> 16.00_−0.20	> 16.06_−0.24	> 15.73_−0.10	> 15.95_−0.31	> 15.76_−0.25	> 16.04_−0.28	> 16.22_−0.16
Al II	1671	$12 . 74_{- 0.12}^{+ 0.09}$ $12.74^{+0.09}_{-0.12}$	-	$13 . 03_{- 0.11}^{+ 0.09}$ $13.03^{+0.09}_{-0.11}$	-	-	-	-	-
Al III	1863	$13 . 99_{- 0.12}^{+ 0.09}$ $13.99^{+0.09}_{-0.12}$	$13 . 29_{- 0.15}^{+ 0.11}$ $13.29^{+0.11}_{-0.15}$	$14 . 50_{- 0.10}^{+ 0.08}$ $14.50^{+0.08}_{-0.10}$	$13 . 04_{- 0.14}^{+ 0.10}$ $13.04^{+0.10}_{-0.14}$	$14 . 47_{- 0.13}^{+ 0.10}$ $14.47^{+0.10}_{-0.13}$	$15 . 44_{- 0.13}^{+ 0.10}$ $15.44^{+0.10}_{-0.13}$	-	$14 . 36_{- 0.13}^{+ 0.10}$ $14.36^{+0.10}_{-0.13}$
Si II	1260	$13 . 34_{- 0.12}^{+ 0.09}$ $13.34^{+0.09}_{-0.12}$	-	-	$13 . 07_{- 0.11}^{+ 0.09}$ $13.07^{+0.09}_{-0.11}$	-	-	-	$13 . 55_{- 0.13}^{+ 0.10}$ $13.55^{+0.10}_{-0.13}$
SiII*	1265	$13 . 53_{- 0.11}^{+ 0.09}$ $13.53^{+0.09}_{-0.11}$	-	-	$12 . 40_{- 0.27}^{+ 0.17}$ $12.40^{+0.17}_{-0.27}$	-	-	-	$13 . 78_{- 0.13}^{+ 0.10}$ $13.78^{+0.10}_{-0.13}$
Si III	1207	c	c	> 14.06_−0.13	> 14.00_−0.11	c	c	c	> 14.73_−0.13
Si IV	1403	> 14.79_−0.10	> 15.14_−0.13	> 15.22_−0.12	> 14.64_−0.15	> 15.41_−0.14	> 14.65_−0.13	> 14.36_−0.13	> 15.34_−0.14
P V	1128	-	$14 . 67_{- 0.11}^{+ 0.09}$ $14.67^{+0.09}_{-0.11}$	-	-	-	-	-	$15 . 43_{- 0.16}^{+ 0.12}$ $15.43^{+0.12}_{-0.16}$
S IV	1063	$15 . 65_{- 0.11}^{+ 0.09}$ $15.65^{+0.09}_{-0.11}$	$15 . 54_{- 0.12}^{+ 0.09}$ $15.54^{+0.09}_{-0.12}$	$15 . 75_{- 0.11}^{+ 0.09}$ $15.75^{+0.09}_{-0.11}$	$15 . 23_{- 0.12}^{+ 0.09}$ $15.23^{+0.09}_{-0.12}$	> 16.38_−0.19	$15 . 36_{- 0.15}^{+ 0.11}$ $15.36^{+0.11}_{-0.15}$	$15 . 23_{- 0.15}^{+ 0.11}$ $15.23^{+0.11}_{-0.15}$	$16 . 31_{- 0.11}^{+ 0.09}$ $16.31^{+0.09}_{-0.11}$
SIV*	1073	< 14.79^+0.10	$15 . 23_{- 0.10}^{+ 0.08}$ $15.23^{+0.08}_{-0.10}$	> 15.95_−0.10	< 14.73^+0.14	> 16.09_−0.15	$15 . 25_{- 0.15}^{+ 0.11}$ $15.25^{+0.11}_{-0.15}$	$15 . 25_{- 0.11}^{+ 0.09}$ $15.25^{+0.09}_{-0.11}$	$15 . 96_{- 0.13}^{+ 0.10}$ $15.96^{+0.10}_{-0.13}$

Notes. The ions marked with a dash (-) were not identified in the spectra of the corresponding object. CII* troughs marked with a (b) were blended with C II and thus their column density is included in the reported C II values. Si III troughs marked with a (c) were contaminated and thus reliable column density limits could not be obtained for them.

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