\begin{table}%t2
\caption{\label{tab:det}Planck detector properties used for modeling.}
%\centerline
 {\small \begin{tabular}{ccccccc}\hline\hline
Band  & Sample rate & White noise  & Knee for $1/f$  & Low-$f$  & Bolometer & $FWHM$ \\ 
(GHz) & (Hz)  &($\mu$K s$^{-1/2}$) & (mHz) & index $\alpha$ & $\tau$ (ms) & (arcmin)\\
\hline  
\multicolumn{6}{c}{\textit{Low-Frequency Instrument}} \\ 
30  & 32.5  & 170   & 50 & 1.7 & \dots & 32 \\
44  & 46.5  & 200   & 50 & 1.7 & \dots & 20 \\ 
70  & 78.8  & 270   & 50 & 1.7 & \dots & 13 \\\hline 
\multicolumn{6}{c}{\textit{High-Frequency Instrument}} \\ 
100 & 185 & 50    & 30 & 2   &        10.3 & 9.2	\\
143 & 185  & 62    & 30 & 2   & 	4.5 & 6.5	\\
217 & 185  & 91    & 30 & 2   & 	3.2 & 4.5	\\
353 & 185  & 277   & 30 & 2   & 	4.2 & 4.2	\\ 
545 & 185  & 1998  & 30 & 2   &        1.5 & 4.2	\\
857 & 185  & 91~000 & 30 & 2   & 	1.9	& 4.0 \\ 
\hline
\end{tabular}}
\medskip
The HFI sampling rate is approximate and subject to on-orbit tuning. Noise figures give values in CMB thermodynamic units. $FWHM$ based on a Gaussian fit to the realistic beam models mentioned in text. References: \citet{2006astro.ph..4069T,2009AetA...493..753A,Holmes2008}. 
\end{table}