\begin{table}%t1 \caption{\label{table:1}Metal lines in the envelope of IRC+10216.} %\centering \begin{tabular}{lcccc} \noalign{\smallskip} \hline \hline \noalign{\smallskip} Species & $\lambda_\circ$ & $f$-value & $W_{\lambda}$\tablefootmark{a} & $N$ \\ & (\AA) & & (m\AA) & (cm$^{-2}$) \\ \par \noalign{\smallskip} \hline \noalign{\smallskip} \NaI & 5895.924 & 0.3180 & 625 & 4.6(14)\tablefootmark{b} \\ & 5889.951 & 0.6311 & 625 & \\ & 3302.368 & 0.0090 & 230 & \\ \noalign{\smallskip} \AlI & 3944.006 & 0.1134 & $<$44 & $<$2.8(12) \\ \noalign{\smallskip} \KI & 7698.974 & 0.3393 & 530 & 4.6(12)\tablefootmark{c} \\ & 7664.911 & 0.6816 & 635 & \\ & 4044.143 & 0.0061 & $<$29 & \\ \noalign{\smallskip} \CaI & 4226.728 & 1.7530 & 300 & 1.9(12) \\ \noalign{\smallskip} \CaII & 3968.468 & 0.3145 & 255 & 7.0(12) \\ & 3933.663 & 0.6346 & 390 & \\ \noalign{\smallskip} \TiI & 3635.462 & 0.2229 & $<$49 & $<$1.9(12) \\ \noalign{\smallskip} \TiII & 3383.768 & 0.3401 & $<$69 & $<$2.0(12) \\ \noalign{\smallskip} \CrI & 4289.716 & 0.0622 & 37: & 1.4(12)\tablefootmark{d} \\ & 4274.796 & 0.0839 & 49: & \\ & 4254.332 & 0.1099 & 38: & \\ & 3605.322 & 0.2248 & 27: & \\ & 3593.482 & 0.2897 & 62: & \\ & 3578.683 & 0.3663 & $<$62 & \\ \noalign{\smallskip} \MnI & 4034.483 & 0.0257 & $<$33 & $<$3.1(12) \\ & 4033.062 & 0.0402 & $<$33 & \\ & 4030.753 & 0.0565 & $<$33 & \\ \noalign{\smallskip} \FeI & 3859.911 & 0.0217 & 225 & 8.8(13)\tablefootmark{e} \\ & 3824.444 & 0.0048 & 80 & \\ & 3719.934 & 0.0412 & 197 & \\ & 3440.606 & 0.0236 & 170 & \\ \noalign{\smallskip} \SrII & 4077.709 & 0.7010 & $<$28 & $<$2.7(11) \\ \par \noalign{\smallskip} \hline \end{tabular} \par \tablefoot { \tablefoottext{a}{Upper limits are 3$\sigma$.} \tablefoottext{b}{D-lines are saturated, $N$ based on the 3302~\AA~line.} \tablefoottext{c}{Based on the 7699, 7665~\AA\ doublet.} \tablefoottext{d}{Indicates 2--3$\sigma$ features; $N$ based on weighted mean.} \tablefoottext{e}{Based on the 3860, 3720~\AA\ lines which have better S/N.}} \end{table}