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<!-- DOI: 10.1051/0004-6361/201014688 -->

<h2 class="sec">Online Material</h2>
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<tr><td><!-- init Label --><A NAME="coloryso1yso2"></A><!-- end Label--><A NAME="1138"></A><A NAME="figure946" HREF="img54.png"><IMG SRC="Timg54.png" ALT="\begin{figure}
\par\mbox{\includegraphics[width=9cm,clip]{f3a_14688.eps}\hfill
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</td>
<td class="img-txt"><span class="bold">Figure 3:</span><p>
Three-color composite images showing the environment of sources YSO-1
and YSO-2 in the N&nbsp;113 massive star formation region based on
the <i> Spitzer</i> and <i> Herschel</i>
observations. The <i> left-hand image</i> combines IRAC
and MIPS, showing emission from MIPS 24&nbsp;<IMG SRC="img4.png" ALT="$\mu $" ALIGN="MIDDLE" BORDER="0" HEIGHT="26" WIDTH="10">m, IRAC 8.0&nbsp;<IMG SRC="img4.png" ALT="$\mu $" ALIGN="MIDDLE" BORDER="0" HEIGHT="26" WIDTH="10">m, and IRAC&nbsp;4.5&nbsp;<IMG SRC="img4.png" ALT="$\mu $" ALIGN="MIDDLE" BORDER="0" HEIGHT="26" WIDTH="10">m (red,
green, and blue, respectively). The <i> image at the right</i>
combines SPIRE 250&nbsp;<IMG SRC="img4.png" ALT="$\mu $" ALIGN="MIDDLE" BORDER="0" HEIGHT="26" WIDTH="10">m
(red), PACS 160&nbsp;<IMG SRC="img4.png" ALT="$\mu $" ALIGN="MIDDLE" BORDER="0" HEIGHT="26" WIDTH="10">m
(green), and MIPS 24&nbsp;<IMG SRC="img4.png" ALT="$\mu $" ALIGN="MIDDLE" BORDER="0" HEIGHT="26" WIDTH="10">m
(blue) images. All images are scaled logarithmically. The linear
distance scale is shown for the LMC distance of 50&nbsp;kpc (<a href="/articles/aa/full_html/2010/10/aa14688-10/aa14688-10.html#schaefer2008">Schaefer 2008</a>).
Several categories of confirmed YSOs (see text for explanation and
references) are marked as indicated in the legend. The OH and H<sub>2</sub>O
masers marked by a single cross (<IMG SRC="img9.png" ALT="$\times $" ALIGN="MIDDLE" BORDER="0" HEIGHT="26" WIDTH="13">)
symbol coincide in position within the uncertainties. Sources YSO-1 and
YSO-2 are discussed in Sects.&nbsp;<a href="/articles/aa/full_html/2010/10/aa14688-10/aa14688-10.html#n113section">4</a> and <a href="/articles/aa/full_html/2010/10/aa14688-10/aa14688-10.html#sedsection">5</a>. Maser
positions are from <a href="/articles/aa/full_html/2010/10/aa14688-10/aa14688-10.html#green08">Green
et&nbsp;al. (2008)</a> and <a href="/articles/aa/full_html/2010/10/aa14688-10/aa14688-10.html#ellingsen10">Ellingsen et&nbsp;al.
(2010)</a>. YSO-1 was identified as a YSO candidate by <A NAME="aaref7"></A><a href="/articles/aa/full_html/2010/10/aa14688-10/aa14688-10.html#gc09">Gruendl &amp; Chu (2009,
051317.69-692225.0)</a> based on the <i> Spitzer</i>
data and confirmed spectroscopically by <a href="/articles/aa/full_html/2010/10/aa14688-10/aa14688-10.html#seale09">Seale et&nbsp;al. (2009)</a>,
although no ice features were detected. YSO-2 is a new <i>
Herschel</i> YSO candidate.
</td>
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<tr><td><!-- init Label --><A NAME="coloryso3"></A><!-- end Label--><A NAME="1140"></A><A NAME="figure966" HREF="img55.png"><IMG SRC="Timg55.png" ALT="\begin{figure}
\par\mbox{\includegraphics[width=9cm,clip]{f4a_14688.eps}\hfill
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\end{figure}" HEIGHT="99" WIDTH="205"></A><!-- HTML Figure number: 5 -->
</td>
<td class="img-txt"><span class="bold">Figure 4:</span><p>
Three-color composite images showing the environment of YSO-3 in the
LMC N&nbsp;105 massive star formation region based on the <i>
Spitzer</i> and <i> Herschel</i> observations.
Coloring and scaling are the same as in Fig.&nbsp;<a href="/articles/aa/full_html/2010/10/aa14688-10/aa14688-10.html#coloryso1yso2">3</a>. YSO-3 was
identified as a YSO candidate by <a href="/articles/aa/full_html/2010/10/aa14688-10/aa14688-10.html#gc09">Gruendl
&amp; Chu (2009, 050958.52-685435.5)</a> based on the <i>
Spitzer</i> data. This source is associated with 6.7&nbsp;GHz
and 12.2&nbsp;GHz methanol masers (<a name="tex2html42" href="/articles/aa/full_html/2010/10/aa14688-10/aa14688-10.html#ellingsen10">Ellingsen et&nbsp;al.
2010</a>; <a name="tex2html43" href="/articles/aa/full_html/2010/10/aa14688-10/aa14688-10.html#sinclair92">Sinclair et&nbsp;al.
1992</a>).
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<tr><td><!-- init Label --><A NAME="coloryso4"></A><!-- end Label--><A NAME="1142"></A><A NAME="figure978" HREF="img56.png"><IMG SRC="Timg56.png" ALT="\begin{figure}
\par\mbox{\includegraphics[width=9cm,clip]{f5a_14688.eps}\hfill
\includegraphics[width=9cm,clip]{f5b_14688.eps} }\end{figure}" HEIGHT="97" WIDTH="204"></A><!-- HTML Figure number: 6 -->
</td>
<td class="img-txt"><span class="bold">Figure 5:</span><p>
Three-color composite images showing the environment of YSO-4 based on
the <i> Spitzer</i> and <i> Herschel</i>
observations. Coloring and scaling are the same as in Fig.&nbsp;<a href="/articles/aa/full_html/2010/10/aa14688-10/aa14688-10.html#coloryso1yso2">3</a>. YSO-4 is
located at the edge of an evacuated supershell in the LMC bar, between
N&nbsp;105 and N&nbsp;113. It does not appear as a resolved
source in 2MASS imaging and is faint in IRAC bands, excluding it from <i>
Spitzer</i> YSO lists requiring shorter wavelengths. The SED of
this evident <i> Herschel</i> source is quite steep from
24 <IMG SRC="img4.png" ALT="$\mu $" ALIGN="MIDDLE" BORDER="0" HEIGHT="26" WIDTH="10">m to <i>
Herschel</i> wavelengths (Fig.&nbsp;<a href="/articles/aa/full_html/2010/10/aa14688-10/aa14688-10.html#sedfig">6</a>), a trend we note
in <IMG SRC="img10.png" ALT="$\sim $" align="bottom" BORDER="0" HEIGHT="14" WIDTH="12">20% of the
newly-identified <i> Herschel</i> YSO candidates.
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<p><A NAME="datatable"></A><p class="inset-old"><a href="/articles/aa/full_html/2010/10/aa14688-10/table1.html"><span class="bold">Table 1:</span></a>&#160;&#160;
<i> Spitzer</i> and <i> Herschel</i> fluxes
for YSOs discussed in Sect.&nbsp;<a href="/articles/aa/full_html/2010/10/aa14688-10/aa14688-10.html#sedsection">5</a>.</p>
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