\begin{table}%t6
\caption{\label{HItab3}Continuum and emission line strengths as well as linewidths and equivalent widths of the Pf$\delta$ line towards the observed sources.}%\centering
\par
\begin{tabular}{lcccc}
\hline\hline
Object          & Line-continuum of HI (3.296$~\mu$m) & Integral of HI (3.296$~\mu$m) & {\it EW} of HI (3.296$~\mu$m) & Line width \\
                & ~$ 10^{-18}~\rm W~cm^{-2}~\mu m^{-1}$ &~$ 10^{-18}~\rm W~cm^{-2}$ & \AA\ & \AA\ \\
\hline
IRS 1 W     &$ 7.80\pm0.20   ~$&$ 0.0573\pm0.0097$&$ -9.26\pm0.81~$ &~$147\pm21$\\
IRS 3       &$ -                       ~$&$ -                    ~$&$ -          ~$ & --\\  
IRS 7       &$ 12.00\pm2.00   ~$&$ 0.0450\pm0.0135$&$ -3.50\pm0.94~$ &~$75\pm10$\\  
IRS 9  &$ -                       ~$&$ -                    ~$&$ -            ~$ & --\\  
IRS 21 &$ -                       ~$&$ -                    ~$&$ -            ~$ & --\\ 
IRS 29 &$ -                       ~$&$ -                    ~$&$ -            ~$ & --\\
IRS 13       &$4.80\pm0.20     ~$&$0.0226\pm0.0033$&$-7.65\pm0.68~$ &~$94\pm10$\\   
IRS 13 N     &$ 3.30\pm0.30   ~$&$ 0.0208\pm0.0054$&$ -8.29\pm0.99~$ &~$126\pm21$\\  
IRS 16 CC  &$ -                       ~$&$ -                    ~$&$ -            ~$ & --\\  
IRS 16 C  &$ 0.57\pm0.12   ~$&$0.0027\pm0.0008$&$ -7.57\pm1.19~$ &~$94\pm10$\\  
IRS 16 NE   &$ 1.15\pm0.16   ~$&$0.0084\pm0.0024$&$ -7.62\pm1.31~$ &~$147\pm21$\\  
IRS 16 SW  &$ 0.38\pm0.09   ~$&$0.0026\pm0.0008$&$ -4.30\pm1.18~$ &~$137\pm10$\\  
\hline
\end{tabular}
\end{table}