Damped and sub-damped Lyman-α absorbers in z > 4 QSOs

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Volume 508 / No 1 (December II 2009)

A&A, 508 1 (2009) 133-140

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Table 4:

Principal absorption metal lines most frequently detectedassociated with high column density absorption systems.
Ion	$\lambda _0$ (Å)	f ^a	$\log\lambda _0 f + \log[N / N($ H $)]_{\odot}+12.00$
Si III	1206.500	0.221	10.87
H I	1215,6701	0.4162	14.70
N V	1238.821	0.152	10.24
N V	1242.804	0.0757	9.93
Si II	1260.4223	0.959	10.65
O I	1302,1685	0.0486	10.67
Si II	1304,3702	0.147	9.85
C II	1334,5323	0.118	10.85
Si IV	1393.76018	0.528	10.44
Si IV	1402.770	0.262	10.13
Si II	1526,70698	0.23	10.11
C IV	1548.2041	0.194	11.13
C IV	1550.7812	0.097	10.83
Fe II	1608.45085	0.062	9.52
Al II	1670,7886	1.88	9.99
Al III	1854.7164	0.539	9.49
Al III	1862.7895	0.268	9.19
Fe II	2344.2139	0.108	9.92
Fe II	2374.4162	0.0395	9.49
Fe II	2382.7652	0.328	10.41

^a Oscillator strengths taken from Morton (1991).

Source LaTeX | All tables | In the text

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