\begin{table}%t7 \caption{\label{physicalparametersbeavertable}Fluxes and equipartition parameters of the Beaver radio galaxy.} \small%\centerline { \begin{tabular}{cccccccccc} \hline \hline \noalign{\smallskip} Region & Size & $S_{\rm 2~m}$ & $S_{\rm 85~cm}$ & $S_{\rm 25~cm}$ & $\alpha_{\rm 85~cm}^{\rm 2~m}$ & $\alpha_{\rm 25~cm} ^{\rm 85~cm}$ & ${u_{\rm min}} ^a$ & ${B_{\rm eq}}^b$ & ${P_{\rm eq}}^c$ \\ & (kpc) & (mJy) & (mJy) & (mJy) & & & (erg/cm$^{-3})$ & ($\mu$G) & (dyne~cm$^{-2}$)\\ \hline \noalign{\smallskip} Head & 15 $\times$ 15 & 472 $\pm$ 13 & 306 $\pm$ 4 & 145 $\pm$ 2 & $- 0.5 \pm 0.1 $ & $-0.6 \pm 0.1$ & $8.1\times 10^{-11}$ & 30 & $2.7\times 10^{-11}$ \\ A & 2$^d$ $\times$ (25 $\times$ 360) & 113 $\pm$ 6 & 35 $\pm$ 1 & 1.2 $\pm$ 0.2 & $-1.4 \pm 0.1$ & $-2.7 \pm 1.1$ & $1.9 \times 10^{-13}$ & 1.4 & $6.4\times 10^{-14}$ \\ \noalign{\smallskip} B & 2$^d$ $\times$ (25 $\times$ 360) & 99 $\pm$ 6 & 6 $\pm$ 1 & $<$1.1 & $-3.3 \pm 0.2$ & $<$$ - 1.4$ & $1.6 \times 10^{-14}$ & 0.4 &$ 5.6\times 10^{-15}$ \\ \hline \end{tabular}} \smallskip {$^a$ Minimum energy density.}\\ {$^b$ Equipartition~magnetic field.}\\ {$^c$ Equipartition pressure.}\\ {$^d$ The tail is shaped as a double cylinder.} \end{table}