\begin{table}%t1
%\centering
\par
      \caption{SPECFIND catalogue standard.\label{tab:standard}}
$$
                  \begin{array}{llll}
                  \hline\hline
\par
{\rm RA (2000)}    &	{\rm arcsec}		&	&	{\rm REAL}         \\
{\rm RA\_error}    &	{\rm arcsec}		&	&	{\rm REAL}         \\ 
{\rm Dec(2000)}    &	{\rm arcsec}		&	&	{\rm REAL}         \\
{\rm Dec\_error}   &	{\rm arcsec}		&	&	{\rm REAL}         \\
{\rm Flux}	   &    {\rm mJy}		&	&	{\rm REAL}         \\
{\rm flux\_error}  &	{\rm mJy}	        &	&	{\rm REAL}         \\
{\rm Wflag}	   &	{\rm Warning}		& 0/1	&	{\rm INT}      \\
{\rm Cflag}	   &	{\rm Confused\ source}   & 0/1	&	{\rm INT}      \\
{\rm Eflag}	   &	{\rm Extended\  source}  & 0/1	&	{\rm INT}      \\ 
{\rm Majaxis}	   &	{\rm Major\ axis\ (units\ of \ beamsize)} & & {\rm REAL}         \\
{\rm Minaxis}	   &	{\rm Minor\ axis\ (units\ of \ beamsize)} & & {\rm REAL}         \\
{\rm PA}	   &	{\rm Position\ angle\ (degrees)} &  &	{\rm REAL}         \\
{\rm name2000}     &	{\rm Source\ name\ J2000}	&	&	{\rm CHAR}  \\ 
{\rm name1950}     &	{\rm Source\ name\ B1950}	&	&	{\rm CHAR}  \\
\hline
\end{array}$$
\end{table}