\begin{table}%t1
\caption{Temperature gradient variations for increasing numbers of \protect radial cells within a~cloud ($T_{\rm hot}=1500~{\rm K}$).}\label{tab1}
%\centering
\small
\begin{tabular}{r c r c r}
\hline\hline
Number & & $\Delta T(0.1~R_{{\rm cl}})$ & & $\Delta T(R_{{\rm cl}})$ \\
radial cells & & [K] & & [K] \\ \hline
10 & & 560 & & 660 \\
20 & & 580 & & 800 \\
40 & & 600 & & 980 \\
70 & & 610 & & 1090 \\
100 & & 640 & & 1160 \\
150 & & 640 & & 1180 \\ \hline
\end{tabular}
\end{table}