Silicon depletion in damped Ly α systems - The S/Zn method

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Volume 530 (June 2011)

A&A, 530 (2011) A33

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Table 4

The Zn+S sample of DLA systems selected as explained in Sect. 3.

Systems used to constrain the models of galactic chemical evolution
QSO	z_qso	z_abs	log N(H i)	log N(Zn ii)	log N(S ii)	r(Zn ii)^a	r(S ii)^a	r(Mg ii)^a	r(Si ii)^a	r(Fe ii)^a

0000−263	4.120	3.3901	21.41 ± 0.08	12.01 ± 0.05	14.70 ± 0.03	20c	16d	—	20c	20c
0010−0012	2.165	2.0250	20.95 ± 0.10	12.25 ± 0.05	14.96 ± 0.05	23d	25d	—	25d	23d
0058−2914	3.070	2.6711	21.10 ± 0.10	12.23 ± 0.05	14.92 ± 0.03	23d	25d	—	25d	23d
0100+130	2.690	2.3090	21.37 ± 0.08	12.47 ± 0.10	15.09 ± 0.06	24a	24a	24a	—	24a
0102−1902	3.025	2.3693	21.00 ± 0.08	11.77 ± 0.11	14.30 ± 0.04	23d	25d	—	—	23d
0201+365	2.912	2.4620	20.38 ± 0.04	12.76 ± 0.30	15.29 ± 0.02	16e	22j	—	22j	22j
0216+080	2.992	2.2931	20.50 ± 0.10	12.47 ± 0.05	15.04 ± 0.02	26e	31P	—	16d	31P
0347−383	3.230	3.0250	20.73 ± 0.05	12.23 ± 0.12	14.76 ± 0.05	23d	25d	—	23d	22e
0405−443	3.020	2.5505	21.13 ± 0.10	12.44 ± 0.05	14.82 ± 0.06	23e	23e	—	23e	23e
0528−2505	2.779	2.1410	20.95 ± 0.05	12.29 ± 0.03	14.83 ± 0.04	26e	23a	—	23a	23a
0812+32	2.701	2.6260	21.35 ± 0.10	13.15 ± 0.02	15.63 ± 0.08	27h	27h	27h	27h	27h
0841+129	2.4934^c	2.3745	21.00 ± 0.10	12.20 ± 0.05	14.77 ± 0.03	23a	23a	26a	27b	23a
0841+129	2.4934^c	2.4764	20.78 ± 0.08	11.69 ± 0.10	14.48 ± 0.10	26a	26a	26a	26a	26a
0953+5230	1.875	1.7680	20.10 ± 0.10	12.89 ± 0.05	15.35 ± 0.05	26k	26k	—	26k	26k
1116+4118A	2.971	2.9422	20.28 ± 0.05	12.40 ± 0.33	15.01 ± 0.10	27j	27j	—	27j	27j
1210+1731	2.543	1.8918	20.63 ± 0.08	12.40 ± 0.05	14.96 ± 0.03	27b	27b	—	27b	27b
1223+178	2.936	2.4661	21.40 ± 0.10	12.42 ± 0.05	15.14 ± 0.04	23d	25d	—	25d	23d
1331+170	2.100	1.7764	21.14 ± 0.08	12.54 ± 0.02	15.08 ± 0.11	24a	24a	24a	24a	24a
2138 − 4427	3.170	2.8510	20.98 ± 0.05	11.99 ± 0.05	14.50 ± 0.02	23d	25d	—	25d	23d
2206 − 199A	2.559	1.9200	20.68 ± 0.03	12.95 ± 0.02	15.42 ± 0.02	21i	31P	—	ww1	31P
2222 − 0946	2.927	2.3540	20.65 ± 0.05	12.75 ± 0.10	15.19 ± 0.13	31A	31A	—	31A	31A
2230+025	2.147	1.8642	20.83 ± 0.05	12.80 ± 0.11	15.29 ± 0.10	26a	26a	—	26a	26a
2231 − 0015	3.015	2.0662	20.59 ± 0.08	12.30 ± 0.05	15.10 ± 0.15	24a	24a	—	24a	24a
2243 − 6031	3.010	2.3300	20.67 ± 0.02	12.47 ± 0.02	15.02 ± 0.03	26e	22f^b	—	22f	22f
2314−409	2.448	1.8573	20.90 ± 0.10	12.52 ± 0.10	15.10 ± 0.15	21c	21c	—	21c	21c
2318−1107	2.960	1.9890	20.68 ± 0.05	12.50 ± 0.06	15.09 ± 0.04	27f	27f	—	27f	27f
2343+1232	2.549	2.4313	20.40 ± 0.07	12.25 ± 0.10	14.66 ± 0.05	27f	27f	—	27f	27f

Molecular DLA systems^d with f(H₂) > 10^-4.5
QSO	z_qso	z_abs	log N(H i)	log N(Zn ii)	log N(S ii)	r(Zn ii)^a	r(S ii)^a	r(Mg ii)^a	r(Si ii)^a	r(Fe ii)^a

0013−004	2.087	1.9731	20.83 ± 0.05	12.82 ± 0.04	15.28 ± 0.02	22h	22h	—	22h	22h
0405−443	3.020	2.5950	21.09 ± 0.10	12.68 ± 0.02	15.19 ± 0.05	23e	23e	—	23e	23e
0551−3637	2.317	1.9615	20.70 ± 0.08	13.02 ± 0.05	15.38 ± 0.11	22d	22d	—	22d	22d
0918+1636	3.073	2.5832	20.96 ± 0.05	13.40 ± 0.02	15.82 ± 0.02	31C	31C	—	31C	31C
1439+1117	2.583	2.4184	20.10 ± 0.10	12.93 ± 0.04	15.27 ± 0.06	28d	28d	—	28d	28d
1443+2724	4.420	4.2240	20.95 ± 0.10	12.99 ± 0.03	15.52 ± 0.02	28c	26f	26f	—	26f
1444+014	2.210	2.0870	20.25 ± 0.07	12.12 ± 0.15	14.62 ± 0.08	23d	23d	—	23d	23d

DLA system with peculiar nucleosynthetic abundances^e

0142 − 100A^e	2.730	1.6265	20.70 ± 0.10	11.43 ± 0.15	14.53 ± 0.10	30a	30a	—	30a	30a

Notes.

^(a)

Reference code for the column density of the ion. Codes are specified in Table 7.

^(b)

Value of log N(S ii) corrected for unseen components by the authors.

^(c)

Emission redshift from Ellison et al. (2010).

^(d)

Values of f(H₂) taken from Noterdaeme et al. (2008), Srianand et al. (2008b), and Fynbo et al. (2011).

^(e)

See Cooke et al. (2010). The quasar is also known as UM 673A.

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