\begin{table}%t1 \par \caption{\label{tab:log}Log and characteristics of the spectroscopic observations.} \small%%\centering \par \begin{tabular}{llllc} \hline\hline \noalign{\smallskip} Telescope & Date & $\lambda$ Range & Resolution & Aperture \\ \hline\noalign{\smallskip} FUSE & 30 Jan. 02 & 900--1200~\AA & & $30 \times 30$\arcsec \\ HST STIS & 4 May 03 & 1170--1700~\AA & 1.20~\AA & 0.5\arcsec \\ CFHT MOS & 1 May 03 & 3400--5300~\AA & 3.0--3.5~\AA & 1\arcsec \\ CFHT MOS & 4 Mar. 01 & 3400--8000~\AA\ & 23~\AA & 5\arcsec \\ Kitt Peak & 1 Jan. 03 & 3600--7500~\AA & 7\AA & 2\arcsec \\ SDSS & & 3819--9196~\AA & 2--4~\AA & diameter 3\arcsec \\ Spitzer IRS SH & 22 Apr. 06 & 9.9--19.6~$\mu$m & 600 & $4.7 \times 11.3$\arcsec \\ Spitzer IRS LH & 22 Apr. 06 & 18.7--37.2~$\mu$m & 600 & $11.1 \times 22.3$\arcsec\\ \hline \end{tabular} \end{table}