$\begin{figure} \par\includegraphics[width=7cm,clip]{aa3427f1.eps} \end{figure}$ Figure 1: Absorption profiles of Ar I and S II lines (see labels) for the DLA system at z=2.8120 (zero velocity) in QSO 0528-2505.
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In the text

$\begin{figure} \par\includegraphics[width=7cm,clip]{aa3427f2.eps} \end{figure}$ Figure 2: Absorption profiles of Ar I and S II lines (see labels) for the DLA system at z=2.3745 (zero velocity) in QSO 0841+129.
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In the text

$\begin{figure} \par\includegraphics[width=7cm,clip]{aa3427f3.eps} \end{figure}$ Figure 3: Absorption profiles of Ar I and S II lines (see labels) for the DLA system at z=2.4762 (zero velocity) in QSO 0841+129.
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In the text

$\begin{figure} \par\includegraphics[width=8cm,clip]{q2343.eps} \end{figure}$ Figure 4: Absorption profiles of Ar I and S II lines (see labels) for the DLA system at z=2.4312 (zero velocity) in QSO 2343+1232.
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In the text

$\begin{figure} \par\includegraphics[width=7.5cm,clip]{figAr_Fe.eps} \end{figure}$ Figure 5: [Ar/Fe] versus [Fe/H] abundance ratios in Damped Ly $\alpha$ systems. The sample shown in the figure includes all the systems of Table 1 for which a measurement of N(Fe II) is available. References to the original measurements are given in the table.
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In the text

$\begin{figure} \par\includegraphics[width=8cm,clip]{fig6.eps} \end{figure}$ Figure 6: [Ar/S] versus [Zn/Fe] abundance ratios in Damped Ly $\alpha$ systems. See Table 1 for references to the original measurements.
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In the text

$\begin{figure} \par\includegraphics[width=8cm,clip]{fig7.eps} \end{figure}$ Figure 7: The O I/Si II ratio in Damped Ly $\alpha$ systems. Diamonds: (from left to right): Levshakov et al. (2002), Dessauges-Zavadsky et al. (2001), Molaro et al. (2001). Squares: Pettini et al. (2002). Circles: Prochaska et al. (2002a).
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In the text

$\begin{figure} \par\includegraphics[width=7.5cm,clip]{f8_ar_s.eps} \end{figure}$ Figure 8: The [Ar/S] ratio in Damped Ly $\alpha$ systems. Filled diamonds and arrow: measurements and lower limit from Table 1; open diamond: z=2.812 system in Q0528-2505. Continuous curves: predictions of the photoionization models S2 (dotted curve) and H1 (dashed curve) described in Sect. 3.2.2.
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In the text

$\begin{figure} \par\includegraphics[width=7.5cm,clip]{f9_ar_si.eps} \end{figure}$ Figure 9: The [Ar/Si] ratio in Damped Ly $\alpha$ systems. Filled diamonds and arrows: measurements and upper limits from Table 1; open diamond: z=2.812 system in Q0528-2505. Continuous curves: predictions of the photoionization models S2 (dotted curve) and H1 (dashed curve) described in Sect. 3.2.2.
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In the text

$\begin{figure} \par\includegraphics[width=8cm,clip]{f10_ar_z.eps} \end{figure}$ Figure 10: The [Ar/ $\alpha$ ] ratios in DLAs plotted versus redshift (bottom axis) and look-back time (top axis), for H₀=65 km s^-1 Mpc^-1, $\Omega _{\rm m}=0.3$ , and $\Omega _\Lambda =0.7$ . See Table 1 and Sect. 4.
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In the text

$\begin{figure} \par\includegraphics[width=7cm,clip]{aa3427f1.eps} \end{figure}$	Figure 1: Absorption profiles of Ar I and S II lines (see labels) for the DLA system at z=2.8120 (zero velocity) in QSO 0528-2505.
Open with DEXTER

$\begin{figure} \par\includegraphics[width=7cm,clip]{aa3427f2.eps} \end{figure}$	Figure 2: Absorption profiles of Ar I and S II lines (see labels) for the DLA system at z=2.3745 (zero velocity) in QSO 0841+129.
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$\begin{figure} \par\includegraphics[width=7cm,clip]{aa3427f3.eps} \end{figure}$	Figure 3: Absorption profiles of Ar I and S II lines (see labels) for the DLA system at z=2.4762 (zero velocity) in QSO 0841+129.
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$\begin{figure} \par\includegraphics[width=8cm,clip]{q2343.eps} \end{figure}$	Figure 4: Absorption profiles of Ar I and S II lines (see labels) for the DLA system at z=2.4312 (zero velocity) in QSO 2343+1232.
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$\begin{figure} \par\includegraphics[width=7.5cm,clip]{figAr_Fe.eps} \end{figure}$	Figure 5: [Ar/Fe] versus [Fe/H] abundance ratios in Damped Ly $\alpha$ systems. The sample shown in the figure includes all the systems of Table 1 for which a measurement of N(Fe II) is available. References to the original measurements are given in the table.
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$\begin{figure} \par\includegraphics[width=8cm,clip]{fig6.eps} \end{figure}$	Figure 6: [Ar/S] versus [Zn/Fe] abundance ratios in Damped Ly $\alpha$ systems. See Table 1 for references to the original measurements.
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$\begin{figure} \par\includegraphics[width=8cm,clip]{fig7.eps} \end{figure}$	Figure 7: The O I/Si II ratio in Damped Ly $\alpha$ systems. Diamonds: (from left to right): Levshakov et al. (2002), Dessauges-Zavadsky et al. (2001), Molaro et al. (2001). Squares: Pettini et al. (2002). Circles: Prochaska et al. (2002a).
Open with DEXTER

$\begin{figure} \par\includegraphics[width=7.5cm,clip]{f8_ar_s.eps} \end{figure}$	Figure 8: The [Ar/S] ratio in Damped Ly $\alpha$ systems. Filled diamonds and arrow: measurements and lower limit from Table 1; open diamond: z=2.812 system in Q0528-2505. Continuous curves: predictions of the photoionization models S2 (dotted curve) and H1 (dashed curve) described in Sect. 3.2.2.
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$\begin{figure} \par\includegraphics[width=7.5cm,clip]{f9_ar_si.eps} \end{figure}$	Figure 9: The [Ar/Si] ratio in Damped Ly $\alpha$ systems. Filled diamonds and arrows: measurements and upper limits from Table 1; open diamond: z=2.812 system in Q0528-2505. Continuous curves: predictions of the photoionization models S2 (dotted curve) and H1 (dashed curve) described in Sect. 3.2.2.
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$\begin{figure} \par\includegraphics[width=8cm,clip]{f10_ar_z.eps} \end{figure}$	Figure 10: The [Ar/ $\alpha$ ] ratios in DLAs plotted versus redshift (bottom axis) and look-back time (top axis), for H₀=65 km s^-1 Mpc^-1, $\Omega _{\rm m}=0.3$ , and $\Omega _\Lambda =0.7$ . See Table 1 and Sect. 4.
Open with DEXTER