\begin{table}%t12
\caption{YSO offsets from dust emission peaks. For each dust emission peak, and related subcore, associated with a YSO listed in Tables~\ref{tab-survey:IRAS_detected} and~\ref{tab-survey:SST_protostars} we give the chosen reference source (preferentially seen by Spitzer) and the observed offset and position angle (i.e.,   position of star w.r.t.\ the dust emission   peak).}\label{tab-survey:offsets}
%\centerline
 {\small \begin{tabular}{llll}
\hline \hline
 Field & Peak & Position reference & Offset\\
 & & (see notes) & arcsec\\
 \hline
L1521F & P1 & SSTc2d J042839.0+265135 & $  5.0 \pm  0.6 $\\
B18-1 & [P5] & SSTc2d J043215.4+242859 & $  1.1 \pm  0.6$\\
B18-4 & P1 & IRAC & $  2.2 \pm  0.6 $\\
TMC1-1C & P3 & SSTc2d J044138.8+255627 & $  3.3 \pm  2.5 $\\
TMC-1 & P2 & SSTc2d J044112.7+254635 & $  3.1 \pm  0.6 $\\
IRAS05413 & P2 & MIPS & $3.8 \pm  0.5$\\
 & P3 & MIPS & $3.6 \pm  0.3 $\\
CB188 & P1 & SSTc2d J192014.9+113540 & $  2.3 \pm  0.7 $\\
L673-7 & P1 & SSTc2d J192134.8+112123 & $  2.1 \pm  0.9 $\\
L1148 & P1 & SSTc2d J204056.7+672305 & $  7.6 \pm  2.7 $\\
L1082A & P1 & 2MASS J20531346+6014425 & $  2.7 \pm  0.9 $\\
L1228 & P1 & SSTc2d J205712.9+773544 & $  0.8 \pm  0.1 $\\
Bern48 & P1 & SSTc2d J205914.0+782304 & $  0.8 \pm  0.3 $\\
L1172A & P2 & MIPS & $7.3 \pm  1.4 $\\
L1177 & P2 & IRAC & $2.9 \pm  0.1 $\\
L1021 & P1 & 2MASS J21212751+5059475 & $  2.5 \pm  0.8 $\\
L1014 & P1 & SSTc2d J212407.5+495909 & $  2.2 \pm  1.3 $\\
L1251A & P3 & SSTc2d J222959.5+751404 & $  8.8 \pm  1.3 $\\
 & P4 & SSTc2d J223031.8+751409 & $  1.2 \pm  0.2 $\\
 & P5 & SSTc2d J223105.6+751337 & $  4.3 \pm  0.8 $\\
\hline
\end{tabular}}
\medskip
 Notes: position for B18-4 P1 (average of Gaussian fits
to all IRAC bands) is 04:35:35.4, 24:08:20.2 (J2000.0);
for IRAS05413 P2 (from fits to MIPS band~1) it is 05:43:46.264,
-01:04:43.68; for IRAS05413 P3 (from MIPS band 1) it is 05:43:51.367, -01:02:52.76;
for L1172A P2 (from MIPS band 1) it is 21:02:21.118,
+67:54:20.17; and for L1177 P2 (from IRAC band 4 only, where the
significant scattering is supposedly lowest) it is
21:17:38.650, +68:17:33.27.
\end{table}