\begin{table}%t12 \caption{\label{table:sigblmap_crd}Effect of the coordinate system on the signal baseline maps.} %\centering \small \begin{tabular}{cccccc} \hline\hline $\tbase$ & Coord. & $I$ rms & $Q$ rms & $U$ rms & $P$ rms \\ & & (nK) & (nK) & (nK) & (nK) \\ \hline 1 min & E & 123.3 & 9.4 & 4.5 & 10.4 \\ 1 min & G & 115.9 & 6.8 & 7.9 & 10.4 \\ 1 h & E & 124.0 & 9.4 & 4.6 & 10.5 \\ 1 h & G & 116.5 & 6.9 & 7.9 & 10.5 \\ \hline \end{tabular} \end{table}