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<!-- DOI: 10.1051/0004-6361/200911871  -->

<h2 class="sec">Online Material</h2>

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<A NAME="error"></A><p class="inset-old"><a href="/articles/aa/full_html/2009/40/aa11871-09/table3.html"><span class="bold">Table 3:</span></a>&#160;&#160;
Error sources for the abundances of the chemical elements in HD&nbsp;49933.</p>

<p>
<A NAME="EqW"></A><p class="inset-old"><a href="/articles/aa/full_html/2009/40/aa11871-09/table4.html"><span class="bold">Table 4:</span></a>&#160;&#160;
Comparison between the line abundances obtained for a set of Fe  <SMALL>I</SMALL> lines
calculated from equivalent widths measured with direct integration and a Gaussian approximation.</p>	        	     
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<tr><td><!-- init Label --><A NAME="portions">&#160;</A><!-- end Label--><A NAME="1047"></A><A NAME="figure940"
 HREF="img110.png"><IMG
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<td class="img-txt"><span class="bold">Figure 4:</span><p>
Samples of the first spectrum obtained February&nbsp;11th, the last obtained February 13th and the final co-added spectrum (from top to bottom) around the strong Fe  <SMALL>II</SMALL> line at <IMG
 WIDTH="13" HEIGHT="14" ALIGN="BOTTOM" BORDER="0"
 SRC="img5.png"
 ALT="$\sim $">5018&nbsp;&#197;.</p></td>
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<tr><td><!-- init Label --><A NAME="vmic">&#160;</A><!-- end Label--><A NAME="1048"></A><A NAME="figure947"
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<td class="img-txt"><span class="bold">Figure 5:</span><p>
ionFei individual line abundances vs. equivalent widths. Abundances are derived for the preferred model parameters, 
<!-- MATH: $T_{{\rm eff}}$ -->
<IMG
 WIDTH="22" HEIGHT="26" ALIGN="MIDDLE" BORDER="0"
 SRC="img2.png"
 ALT="$T_{{\rm eff}}$">&nbsp;=&nbsp;6500&nbsp;K, 
<!-- MATH: $\ensuremath{\log g}$ -->
<IMG
 WIDTH="30" HEIGHT="26" ALIGN="MIDDLE" BORDER="0"
 SRC="img8.png"
 ALT="\ensuremath{\log g}">&nbsp;=&nbsp;4.00, 
<!-- MATH: $\upsilon_{{\rm mic}}$ -->
<IMG
 WIDTH="25" HEIGHT="26" ALIGN="MIDDLE" BORDER="0"
 SRC="img6.png"
 ALT="$\upsilon _{{\rm mic}}$">&nbsp;=&nbsp;1.5&nbsp;
<!-- MATH: ${\rm km~s}^{-1}$ -->
<IMG
 WIDTH="41" HEIGHT="31" ALIGN="MIDDLE" BORDER="0"
 SRC="img78.png"
 ALT="${\rm km~s}^{-1}$">.</p></td>
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