\begin{table}%t2
 \caption{\label{table:wbl}Statistics of the white noise baselines.}
 %\centering
\small
 \begin{tabular}{cccc}
 \hline\hline
 $\tbase$ & Eq.~(\ref{apxavar}) & $\sigma_{wr}$ (reference) & $\sigma_{wb}$ (solved) \\
          & ($\mu$K) & ($\mu$K) & ($\mu$K) \\
 \hline
 2.5 s   & 194.856 & 194.845 & 195.115 \\
 15 s    & 79.550 & 79.551 & 79.631 \\
 1 min   & 39.775 & 39.766 & 39.808 \\
 1 h     & 5.135 & 5.130 & 5.399 \\
 \hline
 \end{tabular}
\end{table}