\begin{table}%t1
%\centering
\par
 \caption{\label{t1}Masses in the binary system SS 433 as a function of the radius parameter $f$.}
\begin{tabular}{llrr}
\hline\hline\noalign{\smallskip}
 $f$        &$M_{\rm S}$       &$M_{\rm C}$        &$m_{\rm X}$  \\
 \hline
  1.5       &38.8                     &22.6                       &16.1                \\
  1.6       &42.7                     &24.1                       &18.6                \\
  1.7       &46.8                     &25.6                       &21.0                \\
  1.8       &51.0                     &27.2                       &23.9                \\
  1.9       &55.3                     &28.7                       &26.7                \\
  2.0       &59.7                     &30.2                       &29.6                \\
  2.1       &64.2                     &31.7                       &32.6               \\
  2.2       &68.8                     &33.2                       &35.8               \\
  2.3       &73.6                     &34.7                       &38.9                \\
 \hline
 \end{tabular}
 \tablefoot{$M_{\rm S}$ is the total mass, $M_{\rm C}$ is the mass of the companion and $m_{\rm X}$ is the mass of the compact object, in units of~$M_\odot$. (From Eq.~(3), assuming $v$ equal to 250~km~s$^{-1}$. The masses $M_{\rm S}$ scale with the cube of the orbital speed.)}
 \end{table}