Online Material

Appendix A: Absorption-line spectra and measurements

Table A.1: DLA N V measurements.

Table A.2: Sub-DLA N V measurements.

$\begin{figure} \par\includegraphics[width=17cm,clip]{1717af1.eps} \end{figure}$

Figure A.1:

Normalized high-ion absorption-line profiles for four DLAs with secure N V detections. A low-ionization line is also shown. VPFIT Voigt-profile models are included as solid red lines. In the N V panels, blends are indicated with the label ``Bl'', and tick marks show the component centers in our best-fit model. The velocity zero-point is defined by the DLA redshift. We annotate on the high-ion panels the total column density obtained by VPFIT.

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$\begin{figure} \par\includegraphics[width=17cm,clip]{1717af2.eps} \end{figure}$

Figure A.2:

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$\begin{figure} \par\includegraphics[width=17cm,clip]{1717af3.eps} \end{figure}$

Figure A.3:

High-ion absorption-line profiles for the four DLAs with marginal N V detections. A low-ionization line is also shown. VPFIT Voigt-profile models are included as solid red lines. In the N V panels, blends are indicated with the label ``Bl'', and tick marks show the component centers in our best-fit model. The velocity zero-point is defined by the DLA redshift. We annotate on the high-ion panels the total column density obtained by VPFIT.

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$\begin{figure} \par\includegraphics[width=17cm,clip]{1717af4.eps} \end{figure}$

Figure A.4:

High-ion absorption-line profiles for the two sub-DLAs with N V detections. A low-ionization line is also shown. VPFIT Voigt-profile models are included as solid red lines. In the N V panels, blends are indicated with the label ``Bl'', and tick marks show the component centers in our best-fit model. The velocity zero-point is defined by the DLA redshift. We annotate on the high-ion panels the total column density obtained by VPFIT.

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$\begin{figure} \par\includegraphics[width=17cm,clip]{1717af5.eps} \end{figure}$	Figure A.5: Normalized N I absorption-line profiles in six DLAs with N V. VPFIT Voigt component models are included as solid red lines. Blends are identified only when they appear at the velocities of N I absorption.
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$\begin{figure} \par\includegraphics[width=17cm,clip]{1717af6.eps} \end{figure}$	Figure A.6: Normalized N I absorption lines in three DLAs and two sub-DLAs with N V. VPFIT Voigt component models are included as solid red lines. Blends are identified only when they appear at the velocities of N I absorption.
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