\begin{table}%t6
%\centering
\par
\caption{ Power-law indices calculated from fits of
 power-law distributions convolved with the telescope beam
to N$_2$H$^+$(1--0) integrated intensity maps with axial ratios~$<$2.}
\scriptsize
\begin{tabular}{lrrrr}
\hline\hline
Source   & $p$ & $p'$ & $p_{20}$ & $p_{40}$\\
\noalign{\smallskip}\hline\noalign{\smallskip}
\par
RNO~1B             &  0.91(0.05) & 0.89(0.09) &  0.83(0.05) &   0.68(0.09)\\
NGC~281            &  1.42(0.06) & 1.34(0.16) &  1.17(0.08) &   1.19(0.02)\\
S~187 (1)          &             & 0.83(0.21) &  0.79(0.05) &   0.94(0.09)\\
S~187 (3)          &  1.19(0.22) &            &  0.82(0.14) &   0.76(0.09)\\
G~133.69+1.22 (1)  &  0.91(0.20) &            &  1.37(0.10) \\
S~199              &  0.96(0.11) &            &  0.74(0.11) &   0.39(0.28)\\
S~201              &  1.30(0.15) &            &  1.02(0.20) &   0.67(0.29)\\
G~173.48+2.45      &  1.31(0.04) & 1.40(0.05) &  1.08(0.06) &   0.98(0.08)\\
G~173.58+2.44      &  1.07(0.08) & 0.97(0.26) &  0.84(0.07) &   0.70(0.10)\\
AFGL~6366 (1)      &  1.48(0.03) & 1.20(0.25) &  1.14(0.01) &   1.27(0.26)\\
AFGL~6366 (2)      &  1.43(0.11) & 1.13(0.20) &  1.25(0.08) &   1.21(0.37)\\
S~76E              &  1.22(0.03) & 1.13(0.04) &  1.06(0.05) &   0.93(0.07)\\
DR~21 (1)          &  1.42(0.03) & 1.47(0.03) &  1.12(0.09) &   1.04(0.09)\\
DR~21 (2)          &  1.15(0.08) & 1.14(0.09) &  0.78(0.12) &   0.51(0.20)\\
S~140 (1)          &  0.99(0.05) & 1.02(0.08) &  0.81(0.05) &   0.65(0.08)\\
S~140 (2)          &  1.19(0.06) & 1.11(0.10) &  0.80(0.13) &   0.54(0.14)\\
S~153 (1)          &  1.29(0.14) & 1.30(0.32) &  1.12(0.09) \\
S~153 (2)          &  1.08(0.11) & 1.23(0.25) &  0.66(0.08) &   0.46(0.08)\\
G~268.42$-$0.85    &  1.35(0.10) & 1.58(0.26) &  0.97(0.13) &   0.72(0.31)\\
G~291.27$-$0.71 (1)&  1.33(0.06) & 1.41(0.10) &  1.05(0.05) &   0.94(0.08)\\
G~345.01$+$1.80 (1) & 1.35(0.03) &            &  0.99(0.10) &   0.69(0.15)\\
G~345.01$+$1.80 (2) & 1.37(0.03) & 1.40(0.04) &  1.05(0.06) &   0.76(0.09)\\
G~345.41$-$0.94 (2) & 0.75(0.09) & 0.89(0.17) &  0.72(0.08) &   0.63(0.05)\\
G~351.41$+$0.64 (1) & 1.40(0.08) & 1.41(0.03) &  1.01(0.01) &   0.77(0.04)\\
G~351.41$+$0.64 (2) & 1.30(0.02) & 1.36(0.05) &  1.01(0.03) &   0.90(0.04)\\
G~351.41$+$0.64 (3) & 1.24(0.05) & 1.34(0.08) &  0.90(0.08) &   0.77(0.11)\\
\hline
\end{tabular}
\label{table:powerlaw}
\end{table}