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<!-- DOI: 10.1051/0004-6361/200912741 -->

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

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<tr><td><!-- init Label --><A NAME="ornamenta99"></A><!-- end Label--><A NAME="696"></A><A NAME="figure503" HREF="img62.png"><IMG SRC="Timg62.png" ALT="\begin{figure}
\par\includegraphics[width=8.5cm,clip]{12741fg1.eps}
\end{figure}" HEIGHT="67" WIDTH="95"></A><!-- HTML Figure number: 7 -->
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<td class="img-txt"><span class="bold">Figure 1:</span><p>
Composite lightcurve of 350 Ornamenta in 1999.
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<tr><td><!-- init Label --><A NAME="ornamenta04"></A><!-- end Label--><A NAME="697"></A><A NAME="figure508" HREF="img63.png"><IMG SRC="Timg63.png" ALT="\begin{figure}
\par\includegraphics[width=8.5cm,clip]{12741fg2.eps}
\end{figure}" HEIGHT="66" WIDTH="95"></A><!-- HTML Figure number: 8 -->
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<td class="img-txt"><span class="bold">Figure 2:</span><p>
Composite lightcurve of 350 Ornamenta in 2004.
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<tr><td><!-- init Label --><A NAME="ornamenta05"></A><!-- end Label--><A NAME="698"></A><A NAME="figure513" HREF="img64.png"><IMG SRC="Timg64.png" ALT="\begin{figure}
\par\includegraphics[width=8.5cm,clip]{12741fg3.eps}
\end{figure}" HEIGHT="67" WIDTH="95"></A><!-- HTML Figure number: 9 -->
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<td class="img-txt"><span class="bold">Figure 3:</span><p>
Composite lightcurve of 350 Ornamenta in 2005.
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<tr><td><!-- init Label --><A NAME="ornamenta07"></A><!-- end Label--><A NAME="699"></A><A NAME="figure518" HREF="img65.png"><IMG SRC="Timg65.png" ALT="\begin{figure}
\par\includegraphics[width=8.5cm,clip]{12741fg4.eps}
\end{figure}" HEIGHT="66" WIDTH="95"></A><!-- HTML Figure number: 10 -->
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<td class="img-txt"><span class="bold">Figure 4:</span><p>
Lightcurve of 350&nbsp;Ornamenta in 2007.
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<tr><td><!-- init Label --><A NAME="ornamenta08-09"></A><!-- end Label--><A NAME="700"></A><A NAME="figure523" HREF="img66.png"><IMG SRC="Timg66.png" ALT="\begin{figure}
\par\includegraphics[width=8.5cm,clip]{12741fg5.eps}
\end{figure}" HEIGHT="67" WIDTH="95"></A><!-- HTML Figure number: 11 -->
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<td class="img-txt"><span class="bold">Figure 5:</span><p>
Composite lightcurve of 350 Ornamenta in 2008/2009.
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<tr><td><!-- init Label --><A NAME="libera99"></A><!-- end Label--><A NAME="701"></A><A NAME="figure528" HREF="img67.png"><IMG SRC="Timg67.png" ALT="\begin{figure}
\par\includegraphics[width=8.5cm,clip]{12741fg6.eps}
\end{figure}" HEIGHT="66" WIDTH="95"></A><!-- HTML Figure number: 12 -->
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<td class="img-txt"><span class="bold">Figure 6:</span><p>
Composite lightcurve of 771 Libera in 1999.
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<tr><td><!-- init Label --><A NAME="libera05"></A><!-- end Label--><A NAME="702"></A><A NAME="figure533" HREF="img68.png"><IMG SRC="Timg68.png" ALT="\begin{figure}
\par\includegraphics[width=8.5cm,clip]{12741fg7.eps}
\end{figure}" HEIGHT="67" WIDTH="95"></A><!-- HTML Figure number: 13 -->
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<td class="img-txt"><span class="bold">Figure 7:</span><p>
Composite lightcurve of 771 Libera in 2005.
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<tr><td><!-- init Label --><A NAME="libera06"></A><!-- end Label--><A NAME="703"></A><A NAME="figure538" HREF="img69.png"><IMG SRC="Timg69.png" ALT="\begin{figure}
\par\includegraphics[width=8.5cm,clip]{12741fg8.eps}
\end{figure}" HEIGHT="67" WIDTH="95"></A><!-- HTML Figure number: 14 -->
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<td class="img-txt"><span class="bold">Figure 8:</span><p>
Composite lightcurve of 771 Libera in 2006.
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<tr><td><!-- init Label --><A NAME="libera08-09"></A><!-- end Label--><A NAME="704"></A><A NAME="figure543" HREF="img70.png"><IMG SRC="Timg70.png" ALT="\begin{figure}
\par\includegraphics[width=8.5cm,clip]{12741fg9.eps}
\end{figure}" HEIGHT="66" WIDTH="95"></A><!-- HTML Figure number: 15 -->
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<td class="img-txt"><span class="bold">Figure 9:</span><p>
Composite lightcurve of 771 Libera in 2008/2009.
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<tr><td><!-- init Label --><A NAME="gretia97"></A><!-- end Label--><A NAME="705"></A><A NAME="figure548" HREF="img71.png"><IMG SRC="Timg71.png" ALT="\begin{figure}
\par\includegraphics[width=8.5cm,clip]{12741f10.eps}
\end{figure}" HEIGHT="67" WIDTH="95"></A><!-- HTML Figure number: 16 -->
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<td class="img-txt"><span class="bold">Figure 10:</span><p>
Lightcurve of 984 Gretia in 1997.
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<tr><td><!-- init Label --><A NAME="gretia99"></A><!-- end Label--><A NAME="706"></A><A NAME="figure553" HREF="img72.png"><IMG SRC="Timg72.png" ALT="\begin{figure}
\par\includegraphics[width=8.5cm,clip]{12741f11.eps}
\end{figure}" HEIGHT="66" WIDTH="95"></A><!-- HTML Figure number: 17 -->
</td>
<td class="img-txt"><span class="bold">Figure 11:</span><p>
Composite lightcurve of 984 Gretia in 1999.
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<tr><td><!-- init Label --><A NAME="gretia02"></A><!-- end Label--><A NAME="707"></A><A NAME="figure558" HREF="img73.png"><IMG SRC="Timg73.png" ALT="\begin{figure}
\par\includegraphics[width=8.5cm,clip]{12741f12.eps}
\end{figure}" HEIGHT="67" WIDTH="95"></A><!-- HTML Figure number: 18 -->
</td>
<td class="img-txt"><span class="bold">Figure 12:</span><p>
Composite lightcurve of 984 Gretia in 2002.
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<tr><td><!-- init Label --><A NAME="gretia05"></A><!-- end Label--><A NAME="708"></A><A NAME="figure563" HREF="img74.png"><IMG SRC="Timg74.png" ALT="\begin{figure}
\par\includegraphics[width=8.5cm,clip]{12741f13.eps}
\end{figure}" HEIGHT="66" WIDTH="95"></A><!-- HTML Figure number: 19 -->
</td>
<td class="img-txt"><span class="bold">Figure 13:</span><p>
Lightcurve of 984 Gretia in 2005.
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<tr><td><!-- init Label --><A NAME="gretia06"></A><!-- end Label--><A NAME="709"></A><A NAME="figure568" HREF="img75.png"><IMG SRC="Timg75.png" ALT="\begin{figure}
\par\includegraphics[width=8.5cm,clip]{12741f14.eps}
\end{figure}" HEIGHT="67" WIDTH="95"></A><!-- HTML Figure number: 20 -->
</td>
<td class="img-txt"><span class="bold">Figure 14:</span><p>
Composite lightcurve of 984 Gretia in 2006.
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<tr><td><!-- init Label --><A NAME="gretia07"></A><!-- end Label--><A NAME="710"></A><A NAME="figure573" HREF="img76.png"><IMG SRC="Timg76.png" ALT="\begin{figure}
\par\includegraphics[width=8.5cm,clip]{12741f15.eps}
\end{figure}" HEIGHT="66" WIDTH="95"></A><!-- HTML Figure number: 21 -->
</td>
<td class="img-txt"><span class="bold">Figure 15:</span><p>
Composite lightcurve of 984 Gretia in 2007/2008.
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<tr><td><!-- init Label --><A NAME="gretia09"></A><!-- end Label--><A NAME="711"></A><A NAME="figure578" HREF="img77.png"><IMG SRC="Timg77.png" ALT="\begin{figure}
\par\includegraphics[width=8.5cm,clip]{12741f16.eps}
\end{figure}" HEIGHT="67" WIDTH="95"></A><!-- HTML Figure number: 22 -->
</td>
<td class="img-txt"><span class="bold">Figure 16:</span><p>
Composite lightcurve of 984 Gretia in 2009.
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<p></p><p></p><p><A NAME="AspDat"></A><p class="inset-old"><a href="/articles/aa/full_html/2009/48/aa12741-09/table1.html"><span class="bold">Table 1:</span></a>&#160;&#160;
Aspect data.</p> 

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