\begin{table}%t1
\caption{\label{tab:planet_brightness}Model peak temperature (CMB thermodynamic units) in the \Planck\ beam for planets.}
%\centerline
 {\small \begin{tabular}{lccccc}
\hline\hline
Band  &\multicolumn{5}{c}{Peak temperature (mK)} \\
(GHz) & Jupiter$^1$	& Saturn$^1$ & Mars$^2$	& Uranus$^3$&	Neptune$^3$\\
\hline	
30	& 44.8 & 7.72 & 2.41	&	0.290	&	0.194	\\
44	&	90.6	&	15.3	&	4.75	&	0.564	&	0.319	\\
70	&	303	&	49.3	&	15.0	&	1.78	&	0.830	\\
100	&	754	&	121	&	38.1	&	4.29	&	1.73	\\
143	&	$1.86\times10^{3}$	&	299	&	91.8	&	9.12	&	3.66	\\
217	&	$7.58\times10^{3}$	&	$1.22\times10^{3}$	&	350	&	31.9	&	12.7	\\
353	&	$3.59\times10^{4}$	&	$5.60\times10^{3}$	&	$1.67\times10^{3}$	&	131	&	51.9	\\
545	&	$3.72\times10^{5}$	&	$6.50\times10^{4}$	&	$2.31\times10^{4}$	&	$1.59\times10^{3}$	&	630	\\
857	&	$3.31\times10^{7}$	&	$5.14\times10^{6}$	&	$1.89\times10^{6}$	&	$1.11\times10^{5}$	&	$4.43\times10^{4}$\\
\hline
\end{tabular}}
\medskip
References: (1) \citet{2007AstBu..62..285N}; (2) \citet{1997ApJ...488L.161G,1976ApJ...210..250W}; (3) \citet{1993Icar..105..537G}.
\end{table}