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Table 1

C i systems identified in SDSS-DR7 QSO spectra.

QSO name Plate MJD Fibre zem zabs Wr(λ1560) a Wr(λ1656) a S/Nb log N(H i)SDSS c log N(H i)UVES d
[Å] [Å] [atoms cm-2] [atoms cm-2]

J 021606.13002104.9 0405 51 816 114 2.22 1.737 0.33 ± 0.10 0.77 ± 0.08 14 ... ...
J 030049.24072137.8 0458 51 929 437 2.11 1.536 0.79 ± 0.15 1.17 ± 0.21 5 ... ...
J 080801.74+330009.2 0825 52 289 166 1.90 1.888 0.24 ± 0.05 0.39 ± 0.05 18 ... ...
J 081116.06+083837.7 2570 54 081 566 2.07 1.906 0.23 ± 0.06 0.21 ± 0.06 15 ... 20.10 ± 0.10
J 081540.60+264021.6 1266 52 709 355 1.94 1.681 1.70 ± 0.21 1.33 ± 0.16 5 ... ...
J 082003.40+155932.9 2272 53 713 378 1.95 1.547 0.72 ± 0.15 0.77 ± 0.11 7 ... ...
J 085206.65+193548.4 2281 53 711 452 1.91 1.788 0.34 ± 0.06 0.86 ± 0.07 13 ... 20.00 ± 0.20
J 085437.60+031734.8 0565 52 225 480 2.24 1.567 0.40 ± 0.09 0.43 ± 0.07 12 ... ...
J 085726.79+185524.3 2281 53 711 630 1.89 1.730 0.20 ± 0.02 0.43 ± 0.04 33 ... 19.60 ± 0.20
J 090558.75+553039.2 0450 51 908 470 1.57 1.579 0.13 ± 0.05 0.15 ± 0.05 16 ... ...
J 090942.56+532126.5 0553 51 999 425 2.07 1.628 0.47 ± 0.08 0.70 ± 0.09 12 ... ...
J 091516.27+071750.9 1194 52 703 506 2.38 1.681 0.50 ± 0.10 0.95 ± 0.13 11 ... ...
J 091721.37+015448.1 0473 51 929 426 2.18 2.107 0.67 ± 0.16 0.93 ± 0.16 5 ... ...
J 092759.79+154321.8 2579 54 068 364 1.81 1.731 0.61 ± 0.10 0.69 ± 0.09 9 ... 21.10 ± 0.20
J 094529.37+552525.7 0556 51 991 045 2.24 1.867 0.74 ± 0.12 0.91 ± 0.13 7 ... ...
J 095114.97+545736.5 0769 52 282 458 1.80 1.613 0.77 ± 0.07 0.78 ± 0.06 14 ... ...
J 101544.34+310617.2 1953 53 358 604 1.56 1.596 0.20 ± 0.09 0.34 ± 0.09 9 ... ...
J 104705.76+205734.5 2478 54 097 558 2.01 1.775 0.59 ± 0.14 0.96 ± 0.13 7 ... ...
J 105436.96+542343.7 0907 52 373 129 1.50 1.513 0.49 ± 0.08 0.87 ± 0.08 10 ... ...
J 105746.42+662250.5 0490 51 929 179 2.34 2.088 0.30 ± 0.06 0.48 ± 0.06 13 ... ...
J 111756.53+143716.9 1753 53 383 353 2.09 2.001 0.67 ± 0.09 0.65 ± 0.08 10 ... 19.80 ± 0.15
J 112250.95+143732.5 1753 53 383 477 2.05 1.554 0.17 ± 0.04 0.19 ± 0.03 28 ... ...
J 112913.29023740.9 0327 52 294 308 1.86 1.623 0.60 ± 0.10 0.99 ± 0.12 8 ... ...
J 113341.29005740.1 0282 51 658 215 1.68 1.706 1.36 ± 0.25 1.24 ± 0.24 4 ... ...
J 114141.84+444206.1 1367 53 083 499 1.96 1.903 0.48 ± 0.11 0.76 ± 0.13 7 ... ...
J 115153.87+150945.0 1762 53 415 495 3.05 2.400 0.36 ± 0.11 0.37 ± 0.11 7 20.15 ± 0.33 e 20.15 ± 0.10
J 115705.51+615521.7 0777 52 320 107 2.51 2.460 1.22 ± 0.14 1.30 ± 0.14 7 21.80 ± 0.20 f ...
J 120935.79+671715.7 0493 51 957 178 2.03 1.843 0.47 ± 0.11 0.48 ± 0.11 8 ... ...
J 122825.67+303038.6 2234 53 823 430 3.91 3.098 0.17 ± 0.07 0.26 ± 0.07 11 21.05 ± 0.21 e ...
J 123714.61+064759.6 1628 53 474 193 2.78 2.691 0.37 ± 0.06 0.77 ± 0.08 14 20.15 ± 0.28 e 20.00 ± 0.15 g
J 124708.43+500320.8 1278 52 735 039 2.27 2.135 1.05 ± 0.10 1.42 ± 0.11 9 ... ...
J 124829.71+284858.1 2239 53 726 219 1.54 1.513 0.32 ± 0.07 0.65 ± 0.07 12 ... ...
J 124841.45+302433.0 2239 53 726 469 2.06 1.691 0.57 ± 0.06 0.87 ± 0.06 15 ... ...
J 125552.60+223424.4 2649 54 212 507 1.82 1.526 0.25 ± 0.11 1.18 ± 0.28 8 ... ...
J 130225.28+211158.6 2650 54 505 296 1.76 1.656 0.56 ± 0.12 0.49 ± 0.10 8 ... ...
J 130628.87+281550.8 2009 53 904 288 2.10 2.012 0.28 ± 0.10 0.56 ± 0.10 8 ... ...
J 130828.43+584000.6 0958 52 410 224 3.09 2.473 0.39 ± 0.07 0.61 ± 0.14 11 20.00 ± 0.15 ...
J 131129.11+222552.6 2651 54 507 398 3.14 3.093 0.33 ± 0.05 0.51 ± 0.08 16 20.50 ± 0.10 20.62 ± 0.10
J 131400.57+054319.5 0850 52 338 620 1.89 1.583 0.23 ± 0.10 0.70 ± 0.10 8 ... ...
J 134122.51+185214.0 2642 54 232 494 2.00 1.544 0.16 ± 0.03 0.15 ± 0.04 27 ... ...
J 134601.10+064408.4 1803 54 152 074 2.09 1.512 0.79 ± 0.20 1.33 ± 0.28 6 ... ...
J 135122.00+461828.5 1466 53 083 416 1.81 1.606 0.99 ± 0.15 1.58 ± 0.17 10 ... ...
J 141550.47+300146.9 2129 54 252 288 2.08 1.676 1.35 ± 0.10 1.61 ± 0.12 13 ... ...
J 141606.79+180403.2 2759 54 534 359 2.13 1.622 0.47 ± 0.11 0.80 ± 0.13 8 ... ...
J 143243.93+330746.7 1841 53 491 513 2.09 2.058 0.28 ± 0.05 0.44 ± 0.05 17 ... ...
J 143657.87+291100.6 2138 53 757 259 1.77 1.596 0.35 ± 0.11 0.56 ± 0.11 8 ... ...
J 143912.05+111740.6 1711 53 535 374 2.58 2.418 0.50 ± 0.08 0.68 ± 0.09 10 20.27 ± 0.24 e 20.10 ± 0.10 h
J 144929.27+333811.0 1646 53 498 065 2.17 2.021 0.47 ± 0.12 0.62 ± 0.12 7 ... ...
J 145432.54+343523.9 1384 53 121 269 1.61 1.580 0.59 ± 0.16 0.59 ± 0.13 6 ... ...
J 145953.25+012944.2 0538 52 029 039 1.66 1.623 0.36 ± 0.17 0.62 ± 0.16 5 ... ...
J 150738.73+415530.6 1291 52 735 505 1.79 1.674 0.50 ± 0.11 0.85 ± 0.16 7 ... ...
J 152209.12+083020.0 1721 53 857 192 1.93 1.627 0.32 ± 0.10 0.71 ± 0.11 8 ... ...
J 160320.76+170117.8 2200 53 875 318 1.99 1.890 0.16 ± 0.07 0.43 ± 0.08 12 ... 19.20 ± 0.15
J 160457.51+220300.5 2205 53 793 328 1.98 1.641 1.34 ± 0.12 1.60 ± 0.13 7 ... ...
J 161526.65+264813.8 1576 53 496 394 2.18 2.118 0.28 ± 0.06 0.56 ± 0.12 15 ... 20.55 ± 0.15
J 162321.43+135532.4 2202 53 566 132 1.75 1.751 0.39 ± 0.09 0.60 ± 0.10 9 ... 19.95 ± 0.15
J 164610.20+232923.0 1424 52 912 301 2.06 1.998 0.36 ± 0.05 0.58 ± 0.08 15 ... 19.68 ± 0.15
J 170542.92+354340.4 0974 52 427 561 2.01 2.038 0.70 ± 0.08 1.40 ± 0.10 10 ... ...
J 212329.47005053.0 0987 52 523 103 2.26 2.060 0.11 ± 0.02 0.11 ± 0.02 41 ... 19.25 ± 0.20 i
J 222910.16+141402.2 0738 52 521 382 2.11 1.586 0.33 ± 0.13 0.47 ± 0.13 6 ... ...
J 225719.04100104.7 0724 52 254 150 2.08 1.836 0.64 ± 0.05 0.89 ± 0.05 17 ... 20.38 ± 0.07
J 233133.05090246.6 0646 52 523 619 2.44 1.734 0.41 ± 0.04 0.35 ± 0.04 20 ... ...
J 233156.49090802.0 0646 52 523 616 2.66 2.143 1.34 ± 0.13 1.17 ± 0.11 8 ... 21.15 ± 0.15
J 233633.81105841.5 0647 52 553 201 2.04 1.829 0.22 ± 0.05 0.40 ± 0.07 15 ... ...
J 234023.67005327.1 0385 51 877 204 2.09 2.054 0.11 ± 0.02 0.17 ± 0.02 37 ... 20.33 ± 0.03
J 235057.87005210.0 0386 51 788 137 3.03 2.426 0.62 ± 0.08 0.63 ± 0.08 11 20.39 ± 0.27 e 20.50 ± 0.10 j

Notes.

(a)

Rest-frame equivalent width of the absorption detected at the position of the C i lines (measurements drawn from SDSS spectra).

(b)

Average S/N per pixel around the C i lines.

(c)

Neutral atomic-hydrogen column density measured from Lyα absorption in SDSS spectra.

(d)

N(H i) value derived from follow-up UVES spectroscopy.

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