\begin{table}%t2
%\centering
\par
\caption{\label{lc_columns}Data available for each photometric point.}
\begin{tabular}{lll}
\hline\hline\noalign{\smallskip}
Name & Unit & Description\\
\hline
\multicolumn{3}{c}{Stored in the light curves on disk}\\
TMID               & s       & Mid-time of exposure\\
FLUX2              & micro Vega          & Processed flux\\
FLUX2\_ERR         & micro Vega          & Processed flux error\\
TAMFLUX2           & micro Vega          & TAMUZ corrected processed flux \\
TAMFLUX2\_ERR      & micro Vega          & TAMUZ flux error\\
CCDX               & 1/16th of pixel     & X position on the CCD \\
CCDY               & 1/16th of pixel     & Y position on the CCD \\
IMAGEID            & --                  & Unique image ID \\
FLAG               & --                  & Bitmask \\ 
\hline
\multicolumn{3}{c}{Added to the light curves on the fly (if requested)}\\
AIRMASS            & --                  & Airmass\\
ZENDIST            & degrees             & Zenith distance\\ 
MOONALT            & degrees             & Degrees above horizon \\
MOONDIST           & degrees             & Degrees from image centre \\
MOONPHAS           & \% of full moon     & Moon phase\\
WXTIME             & YYYY-MM-DD HH:MM:SS & Time the weather data was taken \\
WXTEMP             & degrees C           & Ambient air temperature \\
WXPRES             & milliBars           & Atmospheric pressure \\
WXWNDSPD           & kph                 & Wind speed \\
WXWNDDIR           & degrees E of N      & Wind direction \\
WXHUMID            & \%                  & Outdoor humidity \\
\hline
\end{tabular}
\vspace*{1.2mm}
\end{table}