\begin{table}%t1
\caption{\label{log}Log of the spectroscopic observations presented in this paper (see text for details).}
%\scriptsize
%\centerline
 {\small \begin{tabular}{llllcccr}
\hline\hline\noalign{\smallskip}
\multicolumn{1}{c}{{\it (1)}} & \multicolumn{1}{c}{{\it (2)}} & \multicolumn{1}{c}{{\it (3)}} & \multicolumn{1}{c}{{\it (4)}} & 
{\it (5)} & {\it (6)} & {\it (7)} & \multicolumn{1}{c}{{\it (8)}} \\
\multicolumn{1}{c}{Object} & \multicolumn{1}{c}{RA} & \multicolumn{1}{c}{Dec} &  \multicolumn{1}{c}{Telescope+instrument} & $\lambda$ range & Disp. & \multicolumn{1}{c}{UT date \& time}  & Exposure \\
& \multicolumn{1}{c}{(J2000)} & \multicolumn{1}{c}{(J2000)} & & (\AA) & (\AA/pix) & \multicolumn{1}{c}{at mid-exposure} & time (s)  \\
\hline
Swift J0059.4+3150 &00 59 53.28& +31 49 37.3 & SPM 2.1m+B\&C Spc. &3450--7650 & 4.0 & 30 Jun. 2008, 10:50 & 1800 \\
Swift J0134.1$-$3625 &01 33 57.75& $-$36 29 35.8 & CTIO 1.5m+RC Spc. & 3300--10~500 & 5.7 & 02 Jul. 2008, 09:02 & 1200 \\
Swift J0342.0$-$2115 & 03 42 03.71 &$-$21 14 39.6 &  AAT+6dF & 3900--7600 & 1.6& 30 Nov. 2003, 13:34 & 1200 + 600\\
Swift J0350.1$-$5019 & 03 50 23.78 &$-$50 18 35.5&CTIO 1.5m+RC Spc.   & 3300-.10~500 & 5.7 &04 Mar. 2008, 01:23 & $2 \times 1800$\\
Swift J0505.7$-$2348 & 05 05 45.75 &$-$23 51 14.0& SPM 2.1m+B\&C Spc. &3450--7650& 4.0 & 03 Feb. 2008, 04:04 & $2 \times 1800$ \\
Swift J0501.9$-$3239$^*$ & 05 19 35.81&$-$32 39 28.0 & AAT+6dF & 3900--7600 & 1.6 & 30 Jan. 2003, 10:36 & 1200 + 600   \\
Swift J0640.1$-$4328 & 06 40 37.99 &$-$43 21 21.1  & CTIO 1.5m+RC Spc.& 3300--10~500 & 5.7& 05 Mar. 2008, 1:26 & $2 \times 1800$\\
Swift J0727.5$-$2406  & 07 27 21.05& $-$24 06 32.3  & TNG+DOLoRes   & 3800--8000 & 2.5  & 07 Feb. 2008,  23:35 & $2 \times 1200$\\
Swift J0739.6$-$3144       & 07 39 44.69 &$-$31 43 02.5 & SPM 2.1m+B\&C Spc. &3450--7650& 4.0 & 03 Feb. 2008, 07:15 & $2 \times 1800$\\
Swift J0743.0$-$2543      & 07 43 14.72 &$-$25 45 50.1 & CTIO 1.5m+RC Spc.   & 3300--10~500 & 5.7 & 04 Mar. 2008, 03:56 & $2 \times 1200$  \\
Swift J0811.5+0937  & 08 11 30.83 &+09 33 50.9 & TNG+DOLoRes   & 3800--8000 & 2.5 & 08 Feb. 2008, 00:51 & $2 \times 1800$  \\
Swift J0902.0+6007          & 09 01 58.37 &+60 09 06.2& Copernicus+AFOSC & 4000--8000 & 4.2  & 22 Feb. 2008, 21:07 & 1200 + 600       \\
Swift J0904.3+5538        &09 04 36.97 &+55 36 02.6   & SDSS+CCD Spc. & 3800--9200 & 1.0 & 29 Dec. 2000, 10:48 & 9000 \\
Swift J0911.2+4533        &09 11 30.00& +45 28 06.0 & SDSS+CCD Spc.&3800--9200&1.0&  07 Feb. 2002, 08:24  & 4803 \\
Swift J0917.2$-$6221     & 09 16 09.37& $-$62 19 29.6& CTIO 1.5m+RC Spc.   & 3300--10~500 & 5.7  & 04 Mar. 2008, 06:02 & 600  \\
Swift J0923.7+2255          &09 23 43.01 &+22 54 32.4   &  SPM 2.1m+B\&C Spc. &3450--7650& 4.0 & 02 Feb. 2008, 11:23 & 1800           \\
Swift J1049.4+2258         & 10 49 30.89& +22 57 52.4   & Cassini+BFOSC & 3500--8000 & 4.0 & 08 May 2008, 21:17 & $2 \times 1200$  \\
\hline
\end{tabular}}
\medskip
Source coordinates are extracted from the 2MASS catalog and have an accuracy better than 0$\farcs$1.  $^*$ The name of this source reported in Tueller et~al. (\cite{Tueller2009}) does not correspond to the actual coordinates. 
\vspace*{-4mm} 
\end{table}