\begin{table}%t6
\caption{\label{2007bg_spec}Spectroscopic observations of SN 2007bg.}
%\centering
\par
\begin{tabular}{l r r r l l l l l l}
\hline\hline\noalign{\smallskip}
UT date	& {JD}		& Epoch\tablefootmark{a}	& Rest-frame		& Telescope +		& Grisms	& Exp. time 				& \multicolumn{1}{c}{Range}	& Airmass  \\
		& {--2~450~000}	& (d)			& epoch (d)\tablefootmark{a}	& instrument\tablefootmark{b} 	& 		&\multicolumn{1}{c}{(s)}	& \multicolumn{1}{c}{(\AA)}  \\
\hline
21/04/07	& 4211.5 	& 4.8	& 4.6	& TNG + LRS 	& LR-B; LR-R 		& 2 $\times$ 2700 	& 3300--9900	& 1.1\\
03/05/07	& 4223.8 	& 17.1	& 16.5	& INT + IDS 	& R150V 			& 2 $\times$ 1800 	& 3300--9650 	& 1.1\\
12/05/07	& 4232.6 	& 25.9	& 25.0	& TNG + LRS 	& LR-B; LR-R		& 2 $\times$ 2400 	& 3850--8150 	& 1.3\\
15/06/07	& 4266.5	& 59.8	& 57.8	& WHT + ISIS 	& R300B;  R158B		& 900; 1800 & 3200--9500	& 1.6\\
18/06/09	& 5000.3	& 793.6	& 767.0	& GNT + GMOS		& R400				& 2 $\times$ 3600	& 4500--7500 & 1.4\\
\hline
\end{tabular}
\tablefoot {\tablefoottext{a}{Relative to the date of discovery, MJD 2~454~196.7 (CBET~927).}\\
\tablefoottext{b}{TNG~= 3.58~m Telescopio Nazionale Galileo, Observatorio del Roque de Los Muchachos, La~Palma (Spain).  INT~= 2.5~m Isaac Newton Telescope, Observatorio del Roque de Los Muchachos, La~Palma (Spain). WHT~= 4.2~m William Herschel Telescope, Observatorio del Roque de Los Muchachos, La~Palma (Spain). GNT~= 8.1~m Gemini North Telescope, Mauna~Kea, Hawaii (USA).}}
\vspace*{1.5mm}
\end{table}