<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN">
<html xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:mml="http://www.w3.org/1998/Math/MathML">
<link rel="stylesheet" type="text/css" href="../../../CSS_FULL/edps_full.css">
<body><div id="contenu_olm">

<!-- DOI: 10.1051/0004-6361/200912662 -->

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

<p>

<div class="inset-old">
<table>
<tr><td><!-- init Label --><A NAME="7688fg1">&#160;</A><!-- end Label--><A NAME="1229"></A><A NAME="figure840"
 HREF="img32.png"><IMG
 WIDTH="87" HEIGHT="102" SRC="Timg32.png"
 ALT="\begin{figure}\resizebox{8.8cm}{!}{\includegraphics{12662f9.ps}}\end{figure}"></A><!-- HTML Figure number: 8 --></td>
<td class="img-txt"><span class="bold">Figure 8:</span><p>
Trigger #7688. Color code and description as in
Fig.&nbsp;<a href="/articles/aa/full_html/2009/38/aa12662-09/aa12662-09.html#2156">4</a>a.</p></td>
</tr><tr><td colspan="2"><a href="http://dexter.edpsciences.org/applet.php?pdf_id=8&DOI=10.1051/0004-6361/200912662" target="DEXTER">Open with DEXTER</a></td></tr>

</table></div>

<p>

<div class="inset-old">
<table>
<tr><td><!-- init Label --><A NAME="7688fg2">&#160;</A><!-- end Label--><A NAME="1231"></A><A NAME="figure848"
 HREF="img33.png"><IMG
 WIDTH="87" HEIGHT="102" SRC="Timg33.png"
 ALT="\begin{figure}\resizebox{8.8cm}{!}{\includegraphics{12662f10.ps}}\end{figure}"></A><!-- HTML Figure number: 9 --></td>
<td class="img-txt"><span class="bold">Figure 9:</span><p>
Trigger #7688. Color code and description as in
Fig.&nbsp;<a href="/articles/aa/full_html/2009/38/aa12662-09/aa12662-09.html#2156">4</a>b.</p></td>
</tr><tr><td colspan="2"><a href="http://dexter.edpsciences.org/applet.php?pdf_id=9&DOI=10.1051/0004-6361/200912662" target="DEXTER">Open with DEXTER</a></td></tr>

</table></div>

<p>

<div class="inset-old">
<table>
<tr><td><!-- init Label --><A NAME="5486fg1">&#160;</A><!-- end Label--><A NAME="1233"></A><A NAME="figure856"
 HREF="img34.png"><IMG
 WIDTH="89" HEIGHT="102" SRC="Timg34.png"
 ALT="\begin{figure}\resizebox{8.8cm}{!}{\includegraphics{12662f11.ps}}\end{figure}"></A><!-- HTML Figure number: 10 --></td>
<td class="img-txt"><span class="bold">Figure 10:</span><p>
Trigger #5486. Color code and description as in
Fig.&nbsp;<a href="/articles/aa/full_html/2009/38/aa12662-09/aa12662-09.html#2156">4</a>a.</p></td>
</tr><tr><td colspan="2"><a href="http://dexter.edpsciences.org/applet.php?pdf_id=10&DOI=10.1051/0004-6361/200912662" target="DEXTER">Open with DEXTER</a></td></tr>

</table></div>

<p>

<div class="inset-old">
<table>
<tr><td><!-- init Label --><A NAME="5486fg2">&#160;</A><!-- end Label--><A NAME="1235"></A><A NAME="figure864"
 HREF="img35.png"><IMG
 WIDTH="87" HEIGHT="102" SRC="Timg35.png"
 ALT="\begin{figure}\resizebox{8.8cm}{!}{\includegraphics{12662f12.ps}}\end{figure}"></A><!-- HTML Figure number: 11 --></td>
<td class="img-txt"><span class="bold">Figure 11:</span><p>
Trigger #5486. Color code and description as in
Fig.&nbsp;<a href="/articles/aa/full_html/2009/38/aa12662-09/aa12662-09.html#2156">4</a>b.</p></td>
</tr><tr><td colspan="2"><a href="http://dexter.edpsciences.org/applet.php?pdf_id=11&DOI=10.1051/0004-6361/200912662" target="DEXTER">Open with DEXTER</a></td></tr>

</table></div>

<p>


<div class="inset-old">
<table>
<tr><td><!-- init Label --><A NAME="6472fg1">&#160;</A><!-- end Label--><A NAME="1237"></A><A NAME="figure872"
 HREF="img36.png"><IMG
 WIDTH="89" HEIGHT="102" SRC="Timg36.png"
 ALT="\begin{figure}\resizebox{8.8cm}{!}{\includegraphics{12662f13.ps}}\end{figure}"></A><!-- HTML Figure number: 12 --></td>
<td class="img-txt"><span class="bold">Figure 12:</span><p>
Trigger #6472. Color code and description as in
Fig.&nbsp;<a href="/articles/aa/full_html/2009/38/aa12662-09/aa12662-09.html#2156">4</a>a.</p></td>
</tr><tr><td colspan="2"><a href="http://dexter.edpsciences.org/applet.php?pdf_id=12&DOI=10.1051/0004-6361/200912662" target="DEXTER">Open with DEXTER</a></td></tr>

</table></div>

<p>

<div class="inset-old">
<table>
<tr><td><!-- init Label --><A NAME="6472fg2">&#160;</A><!-- end Label--><A NAME="1239"></A><A NAME="figure880"
 HREF="img37.png"><IMG
 WIDTH="87" HEIGHT="102" SRC="Timg37.png"
 ALT="\begin{figure}\resizebox{8.8cm}{!}{\includegraphics{12662f14.ps}}\end{figure}"></A><!-- HTML Figure number: 13 --></td>
<td class="img-txt"><span class="bold">Figure 13:</span><p>
Trigger #6472. Color code and description as in
Fig.&nbsp;<a href="/articles/aa/full_html/2009/38/aa12662-09/aa12662-09.html#2156">4</a>b.</p></td>
</tr><tr><td colspan="2"><a href="http://dexter.edpsciences.org/applet.php?pdf_id=13&DOI=10.1051/0004-6361/200912662" target="DEXTER">Open with DEXTER</a></td></tr>

</table></div>

<p>

<div class="inset-old">
<table>
<tr><td><!-- init Label --><A NAME="3481fg1">&#160;</A><!-- end Label--><A NAME="1241"></A><A NAME="figure888"
 HREF="img38.png"><IMG
 WIDTH="88" HEIGHT="102" SRC="Timg38.png"
 ALT="\begin{figure}\resizebox{8.8cm}{!}{\includegraphics{12662f15.ps}}\end{figure}"></A><!-- HTML Figure number: 14 --></td>
<td class="img-txt"><span class="bold">Figure 14:</span><p>
Trigger #3481. Color code and description as in
Fig.&nbsp;<a href="/articles/aa/full_html/2009/38/aa12662-09/aa12662-09.html#2156">4</a>a.</p></td>
</tr><tr><td colspan="2"><a href="http://dexter.edpsciences.org/applet.php?pdf_id=14&DOI=10.1051/0004-6361/200912662" target="DEXTER">Open with DEXTER</a></td></tr>

</table></div>

<p>

<div class="inset-old">
<table>
<tr><td><!-- init Label --><A NAME="3481fg2">&#160;</A><!-- end Label--><A NAME="1243"></A><A NAME="figure896"
 HREF="img39.png"><IMG
 WIDTH="87" HEIGHT="102" SRC="Timg39.png"
 ALT="\begin{figure}\resizebox{8.8cm}{!}{\includegraphics{12662f16.ps}}\end{figure}"></A><!-- HTML Figure number: 15 --></td>
<td class="img-txt"><span class="bold">Figure 15:</span><p>
Trigger #3481. Color code and description as in
Fig.&nbsp;<a href="/articles/aa/full_html/2009/38/aa12662-09/aa12662-09.html#2156">4</a>b.</p></td>
</tr><tr><td colspan="2"><a href="http://dexter.edpsciences.org/applet.php?pdf_id=15&DOI=10.1051/0004-6361/200912662" target="DEXTER">Open with DEXTER</a></td></tr>

</table></div>

<p>

<div class="inset-old">
<table>
<tr><td><!-- init Label --><A NAME="3241fg1">&#160;</A><!-- end Label--><A NAME="1245"></A><A NAME="figure904"
 HREF="img40.png"><IMG
 WIDTH="88" HEIGHT="102" SRC="Timg40.png"
 ALT="\begin{figure}\resizebox{8.8cm}{!}{\includegraphics{12662f17.ps}}\end{figure}"></A><!-- HTML Figure number: 16 --></td>
<td class="img-txt"><span class="bold">Figure 16:</span><p>
Trigger #3241. Color code and description as in
Fig.&nbsp;<a href="/articles/aa/full_html/2009/38/aa12662-09/aa12662-09.html#2156">4</a>a.</p></td>
</tr><tr><td colspan="2"><a href="http://dexter.edpsciences.org/applet.php?pdf_id=16&DOI=10.1051/0004-6361/200912662" target="DEXTER">Open with DEXTER</a></td></tr>

</table></div>

<p>


<div class="inset-old">
<table>
<tr><td><!-- init Label --><A NAME="3241fg2">&#160;</A><!-- end Label--><A NAME="1247"></A><A NAME="figure912"
 HREF="img41.png"><IMG
 WIDTH="90" HEIGHT="102" SRC="Timg41.png"
 ALT="\begin{figure}\resizebox{8.8cm}{!}{\includegraphics{12662f18.ps}}\end{figure}"></A><!-- HTML Figure number: 17 --></td>
<td class="img-txt"><span class="bold">Figure 17:</span><p>
Trigger #3241. Color code and description as in
Fig.&nbsp;<a href="/articles/aa/full_html/2009/38/aa12662-09/aa12662-09.html#2156">4</a>b.</p></td>
</tr><tr><td colspan="2"><a href="http://dexter.edpsciences.org/applet.php?pdf_id=17&DOI=10.1051/0004-6361/200912662" target="DEXTER">Open with DEXTER</a></td></tr>

</table></div>

<p>

<div class="inset-old">
<table>
<tr><td><!-- init Label --><A NAME="1676fg1">&#160;</A><!-- end Label--><A NAME="1249"></A><A NAME="figure920"
 HREF="img42.png"><IMG
 WIDTH="87" HEIGHT="102" SRC="Timg42.png"
 ALT="\begin{figure}\resizebox{8.8cm}{!}{\includegraphics{12662f19.ps}}\end{figure}"></A><!-- HTML Figure number: 18 --></td>
<td class="img-txt"><span class="bold">Figure 18:</span><p>
Trigger #1676. Color code and description as in
Fig.&nbsp;<a href="/articles/aa/full_html/2009/38/aa12662-09/aa12662-09.html#2156">4</a>a.</p></td>
</tr><tr><td colspan="2"><a href="http://dexter.edpsciences.org/applet.php?pdf_id=18&DOI=10.1051/0004-6361/200912662" target="DEXTER">Open with DEXTER</a></td></tr>

</table></div>

<p>

<div class="inset-old">
<table>
<tr><td><!-- init Label --><A NAME="1676fg2">&#160;</A><!-- end Label--><A NAME="1251"></A><A NAME="figure928"
 HREF="img43.png"><IMG
 WIDTH="87" HEIGHT="102" SRC="Timg43.png"
 ALT="\begin{figure}\resizebox{8.8cm}{!}{\includegraphics{12662f20.ps}}\end{figure}"></A><!-- HTML Figure number: 19 --></td>
<td class="img-txt"><span class="bold">Figure 19:</span><p>
Trigger #1676. Color code and description as in
Fig.&nbsp;<a href="/articles/aa/full_html/2009/38/aa12662-09/aa12662-09.html#2156">4</a>b.</p></td>
</tr><tr><td colspan="2"><a href="http://dexter.edpsciences.org/applet.php?pdf_id=19&DOI=10.1051/0004-6361/200912662" target="DEXTER">Open with DEXTER</a></td></tr>

</table></div>

<p>

<div class="inset-old">
<table>
<tr><td><!-- init Label --><A NAME="3663fg1">&#160;</A><!-- end Label--><A NAME="1253"></A><A NAME="figure936"
 HREF="img44.png"><IMG
 WIDTH="88" HEIGHT="102" SRC="Timg44.png"
 ALT="\begin{figure}\resizebox{8.8cm}{!}{\includegraphics{12662f21.ps}}\end{figure}"></A><!-- HTML Figure number: 20 --></td>
<td class="img-txt"><span class="bold">Figure 20:</span><p>
Trigger #3663. Color code and description as in
Fig.&nbsp;<a href="/articles/aa/full_html/2009/38/aa12662-09/aa12662-09.html#2156">4</a>a.</p></td>
</tr><tr><td colspan="2"><a href="http://dexter.edpsciences.org/applet.php?pdf_id=20&DOI=10.1051/0004-6361/200912662" target="DEXTER">Open with DEXTER</a></td></tr>

</table></div>

<p>

<div class="inset-old">
<table>
<tr><td><!-- init Label --><A NAME="3663fg2">&#160;</A><!-- end Label--><A NAME="1255"></A><A NAME="figure944"
 HREF="img45.png"><IMG
 WIDTH="87" HEIGHT="102" SRC="Timg45.png"
 ALT="\begin{figure}\resizebox{8.8cm}{!}{\includegraphics{12662f22.ps}}\end{figure}"></A><!-- HTML Figure number: 21 --></td>
<td class="img-txt"><span class="bold">Figure 21:</span><p>
Trigger #3663. Color code and description as in
Fig.&nbsp;<a href="/articles/aa/full_html/2009/38/aa12662-09/aa12662-09.html#2156">4</a>b.</p></td>
</tr><tr><td colspan="2"><a href="http://dexter.edpsciences.org/applet.php?pdf_id=21&DOI=10.1051/0004-6361/200912662" target="DEXTER">Open with DEXTER</a></td></tr>

</table></div>

<p>


<div class="inset-old">
<table>
<tr><td><!-- init Label --><A NAME="3253fg1">&#160;</A><!-- end Label--><A NAME="1257"></A><A NAME="figure952"
 HREF="img46.png"><IMG
 WIDTH="87" HEIGHT="102" SRC="Timg46.png"
 ALT="\begin{figure}\resizebox{8.8cm}{!}{\includegraphics{12662f23.ps}}\end{figure}"></A><!-- HTML Figure number: 22 --></td>
<td class="img-txt"><span class="bold">Figure 22:</span><p>
Trigger #3253. Color code and description as in
Fig.&nbsp;<a href="/articles/aa/full_html/2009/38/aa12662-09/aa12662-09.html#2156">4</a>a.</p></td>
</tr><tr><td colspan="2"><a href="http://dexter.edpsciences.org/applet.php?pdf_id=22&DOI=10.1051/0004-6361/200912662" target="DEXTER">Open with DEXTER</a></td></tr>

</table></div>

<p>

<div class="inset-old">
<table>
<tr><td><!-- init Label --><A NAME="3253fg2">&#160;</A><!-- end Label--><A NAME="1259"></A><A NAME="figure960"
 HREF="img47.png"><IMG
 WIDTH="87" HEIGHT="102" SRC="Timg47.png"
 ALT="\begin{figure}\resizebox{8.8cm}{!}{\includegraphics{12662f24.ps}}\end{figure}"></A><!-- HTML Figure number: 23 --></td>
<td class="img-txt"><span class="bold">Figure 23:</span><p>
Trigger #3253. Color code and description as in
Fig.&nbsp;<a href="/articles/aa/full_html/2009/38/aa12662-09/aa12662-09.html#2156">4</a>b.</p></td>
</tr><tr><td colspan="2"><a href="http://dexter.edpsciences.org/applet.php?pdf_id=23&DOI=10.1051/0004-6361/200912662" target="DEXTER">Open with DEXTER</a></td></tr>

</table></div>

<p>

<div class="inset-old">
<table>
<tr><td><!-- init Label --><A NAME="6454fg1">&#160;</A><!-- end Label--><A NAME="1261"></A><A NAME="figure968"
 HREF="img48.png"><IMG
 WIDTH="88" HEIGHT="102" SRC="Timg48.png"
 ALT="\begin{figure}\resizebox{8.8cm}{!}{\includegraphics{12662f25.ps}}\end{figure}"></A><!-- HTML Figure number: 24 --></td>
<td class="img-txt"><span class="bold">Figure 24:</span><p>
Trigger #6454. Color code and description as in
Fig.&nbsp;<a href="/articles/aa/full_html/2009/38/aa12662-09/aa12662-09.html#2156">4</a>a.</p></td>
</tr><tr><td colspan="2"><a href="http://dexter.edpsciences.org/applet.php?pdf_id=24&DOI=10.1051/0004-6361/200912662" target="DEXTER">Open with DEXTER</a></td></tr>

</table></div>

<p>

<div class="inset-old">
<table>
<tr><td><!-- init Label --><A NAME="6454fg2">&#160;</A><!-- end Label--><A NAME="1263"></A><A NAME="figure976"
 HREF="img49.png"><IMG
 WIDTH="87" HEIGHT="102" SRC="Timg49.png"
 ALT="\begin{figure}\resizebox{8.8cm}{!}{\includegraphics{12662f26.ps}}\end{figure}"></A><!-- HTML Figure number: 25 --></td>
<td class="img-txt"><span class="bold">Figure 25:</span><p>
Trigger #6454. Color code and description as in
Fig.&nbsp;<a href="/articles/aa/full_html/2009/38/aa12662-09/aa12662-09.html#2156">4</a>b.</p></td>
</tr><tr><td colspan="2"><a href="http://dexter.edpsciences.org/applet.php?pdf_id=25&DOI=10.1051/0004-6361/200912662" target="DEXTER">Open with DEXTER</a></td></tr>

</table></div>

<p>

<div class="inset-old">
<table>
<tr><td><!-- init Label --><A NAME="3057fg1">&#160;</A><!-- end Label--><A NAME="1265"></A><A NAME="figure984"
 HREF="img50.png"><IMG
 WIDTH="89" HEIGHT="102" SRC="Timg50.png"
 ALT="\begin{figure}\resizebox{8.8cm}{!}{\includegraphics{12662f27.ps}}\end{figure}"></A><!-- HTML Figure number: 26 --></td>
<td class="img-txt"><span class="bold">Figure 26:</span><p>
Trigger #3057. Color code and description as in
Fig.&nbsp;<a href="/articles/aa/full_html/2009/38/aa12662-09/aa12662-09.html#2156">4</a>a.</p></td>
</tr><tr><td colspan="2"><a href="http://dexter.edpsciences.org/applet.php?pdf_id=26&DOI=10.1051/0004-6361/200912662" target="DEXTER">Open with DEXTER</a></td></tr>

</table></div>

<p>


<div class="inset-old">
<table>
<tr><td><!-- init Label --><A NAME="3057fg2">&#160;</A><!-- end Label--><A NAME="1267"></A><A NAME="figure992"
 HREF="img51.png"><IMG
 WIDTH="87" HEIGHT="102" SRC="Timg51.png"
 ALT="\begin{figure}\resizebox{8.8cm}{!}{\includegraphics{12662f28.ps}}\end{figure}"></A><!-- HTML Figure number: 27 --></td>
<td class="img-txt"><span class="bold">Figure 27:</span><p>
Trigger #3057. Color code and description as in
Fig.&nbsp;<a href="/articles/aa/full_html/2009/38/aa12662-09/aa12662-09.html#2156">4</a>b.</p></td>
</tr><tr><td colspan="2"><a href="http://dexter.edpsciences.org/applet.php?pdf_id=27&DOI=10.1051/0004-6361/200912662" target="DEXTER">Open with DEXTER</a></td></tr>

</table></div>

<p>


<div class="inset-old">
<table>
<tr><td><!-- init Label --><A NAME="4368fg1">&#160;</A><!-- end Label--><A NAME="1269"></A><A NAME="figure1000"
 HREF="img52.png"><IMG
 WIDTH="89" HEIGHT="102" SRC="Timg52.png"
 ALT="\begin{figure}\resizebox{8.8cm}{!}{\includegraphics{12662f29.ps}}\end{figure}"></A><!-- HTML Figure number: 28 --></td>
<td class="img-txt"><span class="bold">Figure 28:</span><p>
Trigger #4368. Color code and description as in
Fig.&nbsp;<a href="/articles/aa/full_html/2009/38/aa12662-09/aa12662-09.html#2156">4</a>a.</p></td>
</tr><tr><td colspan="2"><a href="http://dexter.edpsciences.org/applet.php?pdf_id=28&DOI=10.1051/0004-6361/200912662" target="DEXTER">Open with DEXTER</a></td></tr>

</table></div>

<div class="inset-old">
<table>
<tr><td><!-- init Label --><A NAME="4368fg2">&#160;</A><!-- end Label--><A NAME="1271"></A><A NAME="figure1008"
 HREF="img53.png"><IMG
 WIDTH="87" HEIGHT="102" SRC="Timg53.png"
 ALT="\begin{figure}\resizebox{8.8cm}{!}{\includegraphics{12662f30.ps}}\end{figure}"></A><!-- HTML Figure number: 29 --></td>
<td class="img-txt"><span class="bold">Figure 29:</span><p>
Trigger #4368. Color code and description as in
Fig.&nbsp;<a href="/articles/aa/full_html/2009/38/aa12662-09/aa12662-09.html#2156">4</a>b.</p></td>
</tr><tr><td colspan="2"><a href="http://dexter.edpsciences.org/applet.php?pdf_id=29&DOI=10.1051/0004-6361/200912662" target="DEXTER">Open with DEXTER</a></td></tr>

</table></div>

<p>

<div class="inset-old">
<table>
<tr><td><!-- init Label --><A NAME="2700fg1">&#160;</A><!-- end Label--><A NAME="1273"></A><A NAME="figure1016"
 HREF="img54.png"><IMG
 WIDTH="87" HEIGHT="102" SRC="Timg54.png"
 ALT="\begin{figure}\resizebox{8.8cm}{!}{\includegraphics{12662f31.ps}}\end{figure}"></A><!-- HTML Figure number: 30 --></td>
<td class="img-txt"><span class="bold">Figure 30:</span><p>
Trigger #2700. Color code and description as in
Fig.&nbsp;<a href="/articles/aa/full_html/2009/38/aa12662-09/aa12662-09.html#2156">4</a>a.</p></td>
</tr><tr><td colspan="2"><a href="http://dexter.edpsciences.org/applet.php?pdf_id=30&DOI=10.1051/0004-6361/200912662" target="DEXTER">Open with DEXTER</a></td></tr>

</table></div>

<p>

<div class="inset-old">
<table>
<tr><td><!-- init Label --><A NAME="2700fg2">&#160;</A><!-- end Label--><A NAME="1275"></A><A NAME="figure1024"
 HREF="img55.png"><IMG
 WIDTH="87" HEIGHT="102" SRC="Timg55.png"
 ALT="\begin{figure}\resizebox{8.8cm}{!}{\includegraphics{12662f32.ps}}\end{figure}"></A><!-- HTML Figure number: 31 --></td>
<td class="img-txt"><span class="bold">Figure 31:</span><p>
Trigger #2700. Color code and description as in
Fig.&nbsp;<a href="/articles/aa/full_html/2009/38/aa12662-09/aa12662-09.html#2156">4</a>b.</p></td>
</tr><tr><td colspan="2"><a href="http://dexter.edpsciences.org/applet.php?pdf_id=31&DOI=10.1051/0004-6361/200912662" target="DEXTER">Open with DEXTER</a></td></tr>

</table></div>

<p>

<div class="inset-old">
<table>
<tr><td><!-- init Label --><A NAME="1157fg1">&#160;</A><!-- end Label--><A NAME="1277"></A><A NAME="figure1032"
 HREF="img56.png"><IMG
 WIDTH="88" HEIGHT="102" SRC="Timg56.png"
 ALT="\begin{figure}\resizebox{8.8cm}{!}{\includegraphics{12662f33.ps}}\end{figure}"></A><!-- HTML Figure number: 32 --></td>
<td class="img-txt"><span class="bold">Figure 32:</span><p>
Trigger #1157. Color code and description as in
Fig.&nbsp;<a href="/articles/aa/full_html/2009/38/aa12662-09/aa12662-09.html#2156">4</a>a.</p></td>
</tr><tr><td colspan="2"><a href="http://dexter.edpsciences.org/applet.php?pdf_id=32&DOI=10.1051/0004-6361/200912662" target="DEXTER">Open with DEXTER</a></td></tr>

</table></div>

<p>


<div class="inset-old">
<table>
<tr><td><!-- init Label --><A NAME="1157fg2">&#160;</A><!-- end Label--><A NAME="1279"></A><A NAME="figure1040"
 HREF="img57.png"><IMG
 WIDTH="87" HEIGHT="102" SRC="Timg57.png"
 ALT="\begin{figure}\resizebox{8.8cm}{!}{\includegraphics{12662f34.ps}}\end{figure}"></A><!-- HTML Figure number: 33 --></td>
<td class="img-txt"><span class="bold">Figure 33:</span><p>
Trigger #1157. Color code and description as in
Fig.&nbsp;<a href="/articles/aa/full_html/2009/38/aa12662-09/aa12662-09.html#2156">4</a>b.</p></td>
</tr><tr><td colspan="2"><a href="http://dexter.edpsciences.org/applet.php?pdf_id=33&DOI=10.1051/0004-6361/200912662" target="DEXTER">Open with DEXTER</a></td></tr>

</table></div>

<p>

<div class="inset-old">
<table>
<tr><td><!-- init Label --><A NAME="6629fg1">&#160;</A><!-- end Label--><A NAME="1281"></A><A NAME="figure1048"
 HREF="img58.png"><IMG
 WIDTH="89" HEIGHT="102" SRC="Timg58.png"
 ALT="\begin{figure}\resizebox{8.8cm}{!}{\includegraphics{12662f35.ps}}\end{figure}"></A><!-- HTML Figure number: 34 --></td>
<td class="img-txt"><span class="bold">Figure 34:</span><p>
Trigger #6629. Color code and description as in
Fig.&nbsp;<a href="/articles/aa/full_html/2009/38/aa12662-09/aa12662-09.html#2156">4</a>a.</p></td>
</tr><tr><td colspan="2"><a href="http://dexter.edpsciences.org/applet.php?pdf_id=34&DOI=10.1051/0004-6361/200912662" target="DEXTER">Open with DEXTER</a></td></tr>

</table></div>

<p>

<div class="inset-old">
<table>
<tr><td><!-- init Label --><A NAME="6629fg2">&#160;</A><!-- end Label--><A NAME="1283"></A><A NAME="figure1056"
 HREF="img59.png"><IMG
 WIDTH="87" HEIGHT="102" SRC="Timg59.png"
 ALT="\begin{figure}\resizebox{8.8cm}{!}{\includegraphics{12662f36.ps}}\end{figure}"></A><!-- HTML Figure number: 35 --></td>
<td class="img-txt"><span class="bold">Figure 35:</span><p>
Trigger #6629. Color code and description as in
Fig.&nbsp;<a href="/articles/aa/full_html/2009/38/aa12662-09/aa12662-09.html#2156">4</a>b.</p></td>
</tr><tr><td colspan="2"><a href="http://dexter.edpsciences.org/applet.php?pdf_id=35&DOI=10.1051/0004-6361/200912662" target="DEXTER">Open with DEXTER</a></td></tr>

</table></div>

<p>

<div class="inset-old">
<table>
<tr><td><!-- init Label --><A NAME="3448fg1">&#160;</A><!-- end Label--><A NAME="1285"></A><A NAME="figure1064"
 HREF="img60.png"><IMG
 WIDTH="89" HEIGHT="102" SRC="Timg60.png"
 ALT="\begin{figure}\resizebox{8.8cm}{!}{\includegraphics{12662f37.ps}}\end{figure}"></A><!-- HTML Figure number: 36 --></td>
<td class="img-txt"><span class="bold">Figure 36:</span><p>
Trigger #3448. Color code and description as in
Fig.&nbsp;<a href="/articles/aa/full_html/2009/38/aa12662-09/aa12662-09.html#2156">4</a>a.</p></td>
</tr><tr><td colspan="2"><a href="http://dexter.edpsciences.org/applet.php?pdf_id=36&DOI=10.1051/0004-6361/200912662" target="DEXTER">Open with DEXTER</a></td></tr>

</table></div>

<p>


<div class="inset-old">
<table>
<tr><td><!-- init Label --><A NAME="3448fg2">&#160;</A><!-- end Label--><A NAME="1287"></A><A NAME="figure1072"
 HREF="img61.png"><IMG
 WIDTH="87" HEIGHT="102" SRC="Timg61.png"
 ALT="\begin{figure}\resizebox{8.8cm}{!}{\includegraphics{12662f38.ps}}\end{figure}"></A><!-- HTML Figure number: 37 --></td>
<td class="img-txt"><span class="bold">Figure 37:</span><p>
Trigger #3448. Color code and description as in
Fig.&nbsp;<a href="/articles/aa/full_html/2009/38/aa12662-09/aa12662-09.html#2156">4</a>b.</p></td>
</tr><tr><td colspan="2"><a href="http://dexter.edpsciences.org/applet.php?pdf_id=37&DOI=10.1051/0004-6361/200912662" target="DEXTER">Open with DEXTER</a></td></tr>

</table></div>

<p>

<div class="inset-old">
<table>
<tr><td><!-- init Label --><A NAME="3301fg1">&#160;</A><!-- end Label--><A NAME="1289"></A><A NAME="figure1080"
 HREF="img62.png"><IMG
 WIDTH="88" HEIGHT="102" SRC="Timg62.png"
 ALT="\begin{figure}\resizebox{8.8cm}{!}{\includegraphics{12662f39.ps}}\end{figure}"></A><!-- HTML Figure number: 38 --></td>
<td class="img-txt"><span class="bold">Figure 38:</span><p>
Trigger #3301. Color code and description as in
Fig.&nbsp;<a href="/articles/aa/full_html/2009/38/aa12662-09/aa12662-09.html#2156">4</a>a.</p></td>
</tr><tr><td colspan="2"><a href="http://dexter.edpsciences.org/applet.php?pdf_id=38&DOI=10.1051/0004-6361/200912662" target="DEXTER">Open with DEXTER</a></td></tr>

</table></div>

<p>

<div class="inset-old">
<table>
<tr><td><!-- init Label --><A NAME="3301fg2">&#160;</A><!-- end Label--><A NAME="1291"></A><A NAME="figure1088"
 HREF="img63.png"><IMG
 WIDTH="87" HEIGHT="102" SRC="Timg63.png"
 ALT="\begin{figure}\resizebox{8.8cm}{!}{\includegraphics{12662f40.ps}}\end{figure}"></A><!-- HTML Figure number: 39 --></td>
<td class="img-txt"><span class="bold">Figure 39:</span><p>
Trigger #3301. Color code and description as in
Fig.&nbsp;<a href="/articles/aa/full_html/2009/38/aa12662-09/aa12662-09.html#2156">4</a>b.</p></td>
</tr><tr><td colspan="2"><a href="http://dexter.edpsciences.org/applet.php?pdf_id=39&DOI=10.1051/0004-6361/200912662" target="DEXTER">Open with DEXTER</a></td></tr>

</table></div>

<p>

<div class="inset-old">
<table>
<tr><td><!-- init Label --><A NAME="7343fg1">&#160;</A><!-- end Label--><A NAME="1293"></A><A NAME="figure1096"
 HREF="img64.png"><IMG
 WIDTH="87" HEIGHT="102" SRC="Timg64.png"
 ALT="\begin{figure}\resizebox{8.8cm}{!}{\includegraphics{12662f41.ps}}\end{figure}"></A><!-- HTML Figure number: 40 --></td>
<td class="img-txt"><span class="bold">Figure 40:</span><p>
Trigger #7343. Color code and description as in
Fig.&nbsp;<a href="/articles/aa/full_html/2009/38/aa12662-09/aa12662-09.html#2156">4</a>a.</p></td>
</tr><tr><td colspan="2"><a href="http://dexter.edpsciences.org/applet.php?pdf_id=40&DOI=10.1051/0004-6361/200912662" target="DEXTER">Open with DEXTER</a></td></tr>

</table></div>

<p>

<div class="inset-old">
<table>
<tr><td><!-- init Label --><A NAME="7343fg2">&#160;</A><!-- end Label--><A NAME="1295"></A><A NAME="figure1104"
 HREF="img65.png"><IMG
 WIDTH="87" HEIGHT="102" SRC="Timg65.png"
 ALT="\begin{figure}\resizebox{8.8cm}{!}{\includegraphics{12662f42.ps}}\end{figure}"></A><!-- HTML Figure number: 41 --></td>
<td class="img-txt"><span class="bold">Figure 41:</span><p>
Trigger #7343. Color code and description as in
Fig.&nbsp;<a href="/articles/aa/full_html/2009/38/aa12662-09/aa12662-09.html#2156">4</a>b.</p></td>
</tr><tr><td colspan="2"><a href="http://dexter.edpsciences.org/applet.php?pdf_id=41&DOI=10.1051/0004-6361/200912662" target="DEXTER">Open with DEXTER</a></td></tr>

</table></div>

<p>
<br>

</div></body></html>