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Table 4

Multi-component Voigt profile model and χ2 minimization results for the absorber at zabs = 1.6919.

z σ z b σ b log N(Fe ii) σ N log N(Al ii) σ N log N(Al iii) σ N
[km s-1] [km s-1] [cm-2  ] [cm-2  ] [cm-2  ] [cm-2  ] [cm-2  ] [cm-2  ]
1.6904350 0.0000070 3.7 1.4 10.99 0.18
1.6905417 0.0000087 9.0 1.4 11.50 0.07 11.24 0.06 11.19 0.10
1.6907366 0.0000068 3.1 1.4 10.92 0.16 10.72 0.11 10.77 0.20
1.6908227 0.0000019 3.8 0.6 11.87 0.08 11.33 0.12 11.33 0.09
1.6909516 0.0000071 11.7 1.9 12.27 0.04 11.93 0.04 11.56 0.13
1.6909735 0.0000005 2.6 0.1 12.67 0.01 11.78 0.03 11.21 0.11
1.6910942 0.0000022 1.2 1.1 11.46 0.07 10.93 0.09
1.6911884 0.0000037 4.1 0.6 12.34 0.44 11.92 0.28 11.62 0.22
1.6912232 0.0000218 5.6 1.3 12.51 0.31 11.84 0.35 11.38 0.39
1.6912519 0.0000317 25.5 6.5 10.90 0.99 11.45 0.14 11.82 0.08
1.6913146 0.0000079 6.0 0.9 11.87 0.11 11.46 0.10
1.6915804 0.0000036 5.3 0.8 11.45 0.05 11.17 0.05 11.04 0.15
1.6916675 0.0000059 1.7 1.8 10.75 0.18 10.60 0.13
1.6919120 0.0000159 13.8 1.8 11.18 0.15 11.65 0.07 11.85 0.07
1.6920159 0.0000080 5.2 1.0 11.71 0.11 11.45 0.15 11.24 0.22
1.6921268 0.0000167 6.0 1.8 12.27 0.20 12.08 0.20 11.63 0.23
1.6921421 0.0000025 0.5 0.3 11.83 0.14 11.24 0.39 10.50 0.68
1.6921871 0.0000155 2.4 3.4 11.27 1.24 11.11 1.10 11.05 0.55
1.6922586 0.0000231 10.4 3.4 11.59 0.19 11.67 0.16 11.64 0.16
1.6924106 0.0000037 3.7 0.8 11.57 0.07 11.33 0.09 11.22 0.10
1.6924667 0.0000040 0.5 2.0 11.30 0.17 11.14 0.58
1.6925374 0.0000061 5.3 1.1 12.29 0.09 11.92 0.09 11.61 0.09
1.6926068 0.0000029 3.6 0.5 12.31 0.08 11.82 0.11 11.43 0.14
1.6926757 0.0000106 3.4 2.5 11.12 0.52 11.07 0.36 11.19 0.22
1.6927497 0.0000095 4.7 1.1 12.04 0.30 11.84 0.25 11.50 0.32
1.6928042 0.0000010 2.6 0.3 12.54 0.10 11.89 0.18 11.22 0.46
1.6928307 0.0000648 6.7 4.8 12.01 0.65 11.69 0.62 11.44 0.60
1.6929678 0.0000116 4.0 3.3 11.09 0.37 10.76 0.53
1.6930588 0.0000248 12.3 2.4 11.45 0.22 11.47 0.13
1.6930679 0.0000026 3.1 0.9 11.52 0.10 10.77 0.22
1.6933236 0.0000021 2.7 0.5 11.42 0.03 10.73 0.06
1.6934849 0.0000126 4.0 2.5 10.82 0.15
Δα/α σ stat
[ppm] [ppm]
+1.29 2.35 1.19

Notes.The redshift (z), Doppler broadening parameter (b), and relevant column densities for each velocity component are presented, along with their 1σ uncertainties from vpfit, are provided in the main section of the table. The fitted value for Δα/α, its 1σ statistical uncertainty (see text for systematic error component) and the final χ2 per degree of freedom, , are provided in the lower part.

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