\begin{table}%T4 \par \caption{\label{rottable}Results of rotational diagrams and LVG analysis.} \small%\centerline { \begin{tabular}{@{\extracolsep{-7pt}}cccccc} \hline \hline \noalign{\smallskip} \multicolumn{2}{l}{\bf Rotational diagram}\\ Source & $T_{\rm rot}$({DCN}) & $N_{\rm DCN}$ & $T_{\rm rot}$({H$^{13}$CN}) & $N_{\rm H^{13}CN}$ & {DCN/HCN$^*$} \\ & {(K)} & {(10$^{13}$~cm$^{-2}$)} & {(K)} & {(10$^{13}$~cm$^{-2}$)} & {(\%)} \\ \noalign{\smallskip} %\hline %\noalign{\smallskip} clump 1 & 14.0~$\pm$~1.1 & 1.4~$\pm$~0.3 & 10.5~$\pm$~0.4 & 3.1~$\pm$~0.4 & 0.7~$\pm$~0.2 \\ %0.8~$\pm$~0.2\% \\ clump 3 & 11.9~$\pm$~0.5 & 1.9~$\pm$~0.3 & 9.9~$\pm$~0.4 & 2.5~$\pm$~0.3 & 1.1~$\pm$~0.2\\ %1.5~$\pm$~0.3\% \\ \noalign{\smallskip} \hline \noalign{\smallskip} \multicolumn{2}{l}{\bf LVG analysis}\\ Source & $T_{\rm kin}$ {$[$DCN$]$}& $N_{\rm DCN}$ & $T_{\rm kin}${$[$H$^{13}$CN$]$} & $N_{\rm H^{13}CN}$ & {DCN/HCN$^*$} \\ & {(K)} & {(10$^{13}$~cm$^{-2}$)} & {(K)} & {(10$^{13}$~cm$^{-2}$)} & {(\%)} \\ \noalign{\smallskip} %\hline %\noalign{\smallskip} clump 1 & $\rm 18^{+5}_{-3}$& $\rm 1.4^{+0.4}_{-0.3}$ & $\rm 21^{+3}_{-2}$& $\rm 8.2^{+2.8}_{-2.2}$ & 0.3~$\pm$~0.1\\ \noalign{\smallskip} clump 3 & $\rm 32^{+13}_{-7}$ & $\rm 1.0^{+0.4}_{-0.3}$ & $\rm 26^{+4}_{-3}$& $\rm 1.9^{+0.4}_{-0.3}$ & 0.8~$\pm$~0.3 \\ \hline \end{tabular}} \smallskip Given error bars are 1$\sigma$. We note that the $T_{\rm kin}$ derived from LVG analysis of DCN and H$^{13}$CN are consistent within the 3$\sigma$ uncertainty range with the $T_{\rm kin}$ values derived from methanol. \\ $^*$ Assuming HCN/H$^{13}$CN = 70 \citep{Wilson99}. \end{table}