\begin{table}%T6
\caption{Coefficients of fitted Zernike polynomials for FPI \#1 and \#2.}
\label{tab:zernike_coeff_fp1}
%\centering
 \small
\begin{tabular}{lrrlrr}
\hline\hline
\multicolumn{1}{c}{\bf Mode}&\multicolumn{1}{c}{\it FPI \#1}&\multicolumn{1}{c}{\it FPI \#2} & 
\multicolumn{1}{c}{\bf Mode}&\multicolumn{1}{c}{\it FPI \#1}&\multicolumn{1}{c}{\it FPI \#2} \\
%\multicolumn{1}{c}{\bf Mode}&\multicolumn{1}{c}{\it \#1}&\multicolumn{1}{c}{\it \#2} \\
\hline\noalign{\smallskip}
\par
{\bf 1}  &  44.83 &   9.56 & {\bf 19} &   5.67 &   $-$0.31 \\
{\bf 2}  &  $-$2.22 &  $-$0.87 & {\bf 20} &   0.08 &   $-$1.39 \\
{\bf 3}  &  $-$7.16 &  $-$2.41 & {\bf 21} &  $-$1.76 &    0.70 \\
{\bf 4}  &  72.35 &  31.30 & {\bf 22} &   7.33 &    1.33 \\
{\bf 5}  &  $-$0.79 &  $-$0.90 & {\bf 23} &   0.99 &    1.08 \\
{\bf 6}  & $-$17.70 &  $-$1.50 & {\bf 24} &  $-$2.20 &    0.20 \\
{\bf 7}  &  $-$7.20 &  $-$3.77 & {\bf 25} &  $-$0.05 &    0.42 \\
{\bf 8}  &  $-$2.30 &  $-$1.49 & {\bf 26} &   1.05 &   $-$0.19 \\
{\bf 9}  &   8.57 &  $-$2.92 & {\bf 27} &  $-$1.71 &    0.62 \\
{\bf 10} &   2.15 &   2.81 & {\bf 28} &  $-$2.42 &    0.44 \\
{\bf 11} &  26.81 &   8.46 & {\bf 29} &  $-$2.00 &   $-$1.37 \\
{\bf 12} &  $-$4.00 &   2.19 & {\bf 30} &   2.00 &   $-$1.20 \\
{\bf 13} &   2.59 &   1.95 & {\bf 31} &   1.67 &   $-$0.51 \\
{\bf 14} &   2.10 &  $-$1.63 & {\bf 32} &   0.11 &    0.71 \\
{\bf 15} &   0.12 &   0.95 & {\bf 33} &  $-$0.80 &   $-$0.42 \\
{\bf 16} &   1.29 &   0.11 & {\bf 34} &  $-$1.44 &    0.60 \\
{\bf 17} &  $-$4.69 &  $-$1.89 & {\bf 35} &   1.20 &   $-$1.08 \\
{\bf 18} &   1.86 &   0.94 & {\bf 36} &   1.03 &   $-$1.14 \\
\hline 
\end{tabular}
\end{table}