Free Access
Volume 545, September 2012
Article Number A64
Number of page(s) 18
Section Extragalactic astronomy
Published online 10 September 2012

Online material

thumbnail Fig. A.1

Voigt-profile fit of absorption lines observed at epoch II. The fit decomposition was derived from the highest S/N spectrum (obtained at epoch IV).

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thumbnail Fig. A.2

Voigt-profile fit of absorption lines observed at epoch I. The fit decomposition was derived from the best S/N spectrum (obtained at epoch IV). For the most poorly resolved lines, e.g., Fe iiiλ1122, we conservatively adopt upper limits, see Table 4.

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Table A.1

Intervening systems: identified absorption lines.

Table A.2

Intervening system at z = 1.6711: column densities of Al ii and Al iii.

thumbnail Fig. A.3

Voigt-profile fit of Al ii and Al iii – associated with an intervening system – and the host-galaxy O i, observed at epoch IV, assuming the best-fitting log N(O i,“b”) = 13.50 value. The Al iiλ1670 line at z = 1.6711 is blended with O iλ1302 at the GRB host-galaxy redshift. The O i line estimate is discussed in Sect. 3.2.3.

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© ESO, 2012

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