\begin{table}%t7
%\centering
\par
 \caption{The Archeops KS3 in-flight timeline sensitivities per channel.}\label{tab:time_sensitiv}
    \begin{tabular}{ccccccc}
      \hline\hline\noalign{\smallskip}
      Freq.(GHz) & $N_{\rm bol}$ &
      $\mu{\rm K_{RJ}/Hz^{1/2}}$  & MJy/sr/Hz$^{1/2}$  &
      $\mu{\rm K_{CMB}/Hz^{1/2}}$ & $106 y /{\rm Hz^{1/2}}$ & $\mu{\rm K_{CMB}.s^{1/2}}$ \\
      \hline
      143 &  6  &    50  &  0.031 &    87  &    23  &    61  \\
      217 &  7  &    39  &  0.056 &   127  &   286  &    90 \\
      353 &  6  &    82  &  0.315 &  1156  &   132  &   817 \\
      545 &  1  &    77  &  0.702 &  9028  &   495  &  6384 \\
      \hline
    \end{tabular}
\end{table}