\begin{table}%t1
\par
   \caption {\label{tab:list_main_calibration_parameters}Main instrument parameters and stages at which they have been measured.
    }
   %\centerline
 {\begin{tabular}{p{2.5cm}p{2.5cm}p{2.5cm}p{2cm}p{2cm}p{2cm}p{2cm}}
         \hline\hline
         \vspace{.025cm}
         \textbf{Category} & \vspace{.025cm}\textbf{Parameters} &
         \vspace{.025cm}\textbf{%\centerline
{Additional}} & 
         \vspace{.025cm}\textbf{%\centerline
{Individual}} & 
         \vspace{.025cm}\textbf{%\centerline
{Integrated}} & 
         \vspace{.025cm}\textbf{%\centerline
{Satellite}} & 
         \vspace{.025cm}\textbf{%\centerline
{In flight}} \\
         &  
         & \textbf{\vspace{0.025cm}%\centerline
{Reference}} 
         & \textbf{\vspace{0.025cm}%\centerline
{radiometers}} 
         & \textbf{\vspace{0.025cm}%\centerline
{instrument}} 
         &  
         &  \\
         \hline        
         \vspace{.025cm}\textbf{\textit{Bias tuning}} & 
         \vspace{.025cm}Front-end amplifiers &
         \vspace{.025cm}\citet{2009_LFI_cal_R7} &  
         \vspace{0.025cm}\vspace{0.025cm}\vspace{0.025cm}%\centerline
{Y} & 
         \vspace{0.025cm}%\centerline
{Y} & \vspace{0.025cm}%\centerline
{Y} & 
         \vspace{0.025cm}%\centerline
{Y} \\
         \cline{2-7} &          
         \vspace{.025cm}Phase switches & 
         \vspace{.025cm}\citet{2009_LFI_cal_R7} &   
         \vspace{0.025cm}%\centerline
{Y} & 
         \vspace{0.025cm}%\centerline
{Y} & 
         \vspace{0.025cm}%\centerline
{Y} & 
         \vspace{0.025cm}%\centerline
{Y} \\
         \hline
         \multicolumn{7}{c}{\textbf{Calibration}}\\
         \vspace{.025cm}\textbf{\textit{Basic calibration}}  & 
         \vspace{.025cm}\textbf{Photometric calibration} & 
         \vspace{0.025cm} \citet{2009_LFI_cal_M4}&
         \vspace{0.025cm}%\centerline
{Y} & 
         \vspace{0.025cm}%\centerline
{Y} & 
         \vspace{0.025cm}%\centerline
{Y} & 
         \vspace{0.025cm}%\centerline
{Y} \\
                 \cline{2-7} & 
         \vspace{.025cm}\textbf{Linearity} & 
         \vspace{.025cm}\citet{2009_LFI_cal_R4} &
         \vspace{0.025cm}%\centerline
{Y} & 
         \vspace{0.025cm}%\centerline
{Y} & 
         \vspace{0.025cm}%\centerline
{N} & 
         \vspace{0.025cm}%\centerline
{N} \\         
         \cline{2-7} & 
         \vspace{.025cm}\textbf{Isolation} & 
         \vspace{0.025cm} \citet{2009_LFI_cal_M4}&
         \vspace{0.025cm}%\centerline
{Y} & 
         \vspace{0.025cm}%\centerline
{Y} & 
         \vspace{0.025cm}%\centerline
{N} & 
         \vspace{0.025cm}%\centerline
{N} \\
                  \cline{2-7} & 
         \vspace{.025cm}In-band response & 
         \vspace{.025cm}\citet{2009_LFI_cal_R3} &
         \vspace{0.025cm}%\centerline
{Y} & 
         \vspace{0.025cm}%\centerline
{N} & 
         \vspace{0.025cm}%\centerline
{N} & 
         \vspace{0.025cm}%\centerline
{N} \\         
         \hline
         \vspace{.025cm}\textbf{\textit{Noise performance}}  & 
         \vspace{.025cm}\textbf{White noise} & 
         \vspace{.025cm}\citet{2009_LFI_cal_R2} &
         \vspace{0.025cm}%\centerline
{Y} & 
         \vspace{0.025cm}%\centerline
{Y} & 
         \vspace{0.025cm}%\centerline
{Y} & 
         \vspace{0.025cm}%\centerline
{Y} \\
         \cline{2-7} & 
         \vspace{.025cm}\textbf{Knee frequency} & 
         \vspace{.025cm}\citet{2009_LFI_cal_R2} &
         \vspace{0.025cm}%\centerline
{Y} & 
         \vspace{0.025cm}%\centerline
{Y} & 
         \vspace{0.025cm}%\centerline
{Y} & 
         \vspace{0.025cm}%\centerline
{Y} \\
         \cline{2-7} & 
         \vspace{.025cm}\textbf{1/$f$ slope} & 
         \vspace{.025cm}\citet{2009_LFI_cal_R2} &
         \vspace{0.025cm}%\centerline
{Y} & 
         \vspace{0.025cm}%\centerline
{Y} & 
         \vspace{0.025cm}%\centerline
{Y} & 
         \vspace{0.025cm}%\centerline
{Y} \\
         \hline
         \vspace{.025cm}\textbf{\textit{Susceptibility}} & 
         \vspace{.025cm}\textbf{Front-end temperature fluctuations} & 
         \vspace{.025cm}\citet{2009_LFI_cal_R6} &
         \vspace{0.025cm}%\centerline
{Y} & 
         \vspace{0.025cm}%\centerline
{Y} & 
         \vspace{0.025cm}%\centerline
{Y} & 
         \vspace{0.025cm}%\centerline
{Y} \\
         \cline{2-7} & 
         \vspace{.025cm}Back-end temperature fluctuations & 
          &
         \vspace{0.025cm}%\centerline
{Y} & 
         \vspace{0.025cm}%\centerline
{Y} & 
         \vspace{0.025cm}%\centerline
{N} & 
         \vspace{0.025cm}%\centerline
{N} \\
         \cline{2-7} & 
         \vspace{.025cm}Front-end bias fluctuations & 
          &
         \vspace{0.025cm}%\centerline
{Y} & 
         \vspace{0.025cm}%\centerline
{Y} & 
         \vspace{0.025cm}%\centerline
{N} & 
         \vspace{0.025cm}%\centerline
{N} \\
         \hline
      \end{tabular}}
\par
\tablefoot {In bodface, we highlight calibration parameters defining the instrument
scientific performance that are discussed in this paper.}
\end{table}