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Table 2

Mg ii absorption systems.

Target z em Emission lines z abs wr(2796, 2803)u wr(2586, 2600)u Associated absorptions
Å Å Å Å
0100−3337 0.875 C iii], Mg ii 0.6810 0.36, 0.36 nd, nd –
0217+0144 1.715 C iii] 0.7557 0.12, 0.06 nd, nd –
0.9685 0.22, 0.15 nd, nd –
1.3439 1.92, 1.83 0.75, 1.39 MgI, Fe ii, Mn ii, Zn ii, Cr ii
0234−3015 1.690 Al iii], C iii] 1.2361 0.11, 0.09 nd, nd –
0238+1636 0.940 C iii], Mg ii 0.5245SR 2.26, 2.12 0.89, 1.63 MgI, Fe ii, Mn ii
0.8522SR 0.43, 0.23 nd, 0.09 Fe ii
0241+0043 0.989 C iii], Mg ii 0.6310 0.27, 0.18 nd, nd –
0.7753 1.06, 0.81 0.21, 0.39 Fe ii
0.9790A 0.64, 0.38 nd, nd Al iii
0334−4008 1.351N Mg ii 1.0791 0.20, 0.13 nd, nd –
1.2083 0.84, 0.77 0.16, 0.31 Fe ii
0423−0120 0.915 C iii], Mg ii 0.6338 0.88, 0.70 0.05, 0.14 MgI, Fe ii
0428−3756 1.110 Mg ii 0.5592 0.93, 0.72 0.19, 0.42 MgI, Fe ii
1.0283SR 0.56, 0.41 nd, 0.08 Fe ii, Al iii
0457−2324 1.003 Mg ii 0.8922 2.20, 1.90 1.38, 1.87 MgI, Fe ii, Mn ii, Zn ii, Cr ii, Al iii
0538−4405 0.890 Mg ii 0.6725 0.065, 0.041a nd, nd –
0745−0044 0.994 C iii], Mg ii 0.7979 0.095, 0.056 nd, nd –
0826−2230  ≥0.910 – 0.7057 0.11, 0.06 nd, nd –
0.9107A? 1.28, 0.92 0.19, 0.41 MgI, Fe ii
0909+0121 1.022 C iii], Mg ii 0.5369 0.41, 0.31 nd, 0.14 Fe ii
0942−0047 1.362 Mg ii, broad abs 0.8182 1.58, 1.28 0.70, 0.96 MgI, Fe ii, Mn ii, Zn ii, Cr ii
1.0231 0.38, 0.22 nd, nd –
0948+0839 1.489 C iii], Mg ii 1.0763 0.76, 0.63 nd, 0.26 Fe ii
1.3273 4.07, 3.72 1.80, 2.80 MgI, Fe ii, Mn ii
1.4247 1.08, 0.62 0.16, 0.37: Fe ii
1009+0145  ≥1.085 – 1.0851A? 1.23, 0.90 0.18, 0.32 Fe ii
1147−3812 1.049 C iii], C ii], Mg ii 0.3750 0.27, 0.20 – –
1245+0228  ≥1.096 – 1.0116 0.60, 0.48 0.26, 0.44 Fe ii
1.0946A? 2.30, 2.27 1.82, 2.04 MgI, Fe ii, Mn ii, Zn ii, Cr ii, Al ii, Al iii, Si ii
1408−0752 1.500 C iii], C ii], Mg ii 1.2753 2.08, 1.90 1.17, 1.53 MgI, Fe ii, Mn ii, Zn ii, Cr ii
1.2913 0.27, 0.26 nd, 0.06: Fe ii
1410+0203 1.253N C ii], Mg ii 1.1123 0.79, 0.56 nd, 0.08: Fe ii
1419+0445  ≥1.684 – 0.8987 0.73, 0.91b 0.21, 0.35 Fe ii
1.0849 0.47, 0.37 0.13, b Fe ii
1.1039 0.52, 0.25 nd, nd –
1.1834 0.12, 0.09 nd, nd –
1.2722 0.62, 0.58 b, 0.49 Fe ii
1.6832A? 2.60, 1.89 0.49, 0.80 Fe ii
1427−4206 1.522 C iii], C ii], Mg ii 1.0432 0.23, 0.12: nd, nd –
1.0907 0.62, 0.37 nd, 0.09 Fe ii
1522−2730 1.294 Mg ii 1.2847A 0.25, 0.22 nd, 0.06 Fe ii
1743−0350 1.054 C iii], C ii], Mg ii 0.2527 0.64, 0.49: –
0.5293 1.05, 0.80 0.37, 0.65b MgI, Fe ii
0.9077 2.46, 2.05 0.89, 1.32 MgI, Fe ii, Mn ii
1956−3225 1.242 Mg ii 0.6236 0.95, 0.90 – –
1.0660 3.53, 3.49 1.77, 2.70 MgIb, Fe ii, Mn ii
2031+1219 1.215 Mg ii 1.1158SR 1.29, 1.16 0.71, 1.12 MgI, Fe ii, Mn ii
2134−0153 1.285 Mg ii 1.2458A 0.22, 0.15 nd, nd –
2136−4443  ≥0.980 – 0.5211 0.51, 0.39 0.12:, 0.26 MgI, Fe ii
2214−2932 1.636 Al iii, C iii] 1.5070 0.38, 0.33 nd, 0.17 Fe ii
2225−0457 1.404 C iii], C ii], [Ne iv], Mg ii 0.8458 0.54, 0.43 0.05, 0.18 Fe ii
0.9782 0.10, 0.07 nd, nd –
2311−1038 1.529 C iii], C ii] 1.5242A 3.61, 3.09 1.37, 2.34 MgI, Fe ii, Al iii
0221+3556 0.944 Mg ii 0.6850SR 1.78, 1.72 na, na Fe ii, MgI

Notes. u Representative uncertainties are given in Sect. 3.2. N New emission redshift. SR Strong Mg ii system in Stocke & Rector (1997). A Associated system. A? Possibly associated system. nd: not detected. na: not available.

(a)

Target in very bright state. The optical flux is known to vary by a factor of at least 35.

(b)

Blended with an other absorption.

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