\begin{table}%T1
\caption{ The data in the first four columns are from Sanders et
al. (\cite{Sanders02}). The last two columns show the empirical relation between
the asymptotic speeds and the masses of the galaxies.}\label{tab1}
%\centerline
 {\small
\begin{tabular}{cccccc} \hline\hline\\[-3.2mm]
Galaxy&$R$&$M$&$v_\infty$&$2(v_\infty/c)^2$&$\alpha_0$\\
&kpc&$10^{10}~M_\odot$&km~s$^{-1}$&$\times10^{7}$&$\times10^{12}$\\
\hline
  NGC 5533 & 72.0 & 22.0 & 250 & 13.9 & 3.02 \\
  NGC 3992 & 30.0 & 16.22& 242 & 13.0 & 3.28 \\
  NGC 5907 & 32.0 & 10.8 & 214 & 10.2 & 3.15 \\
  NGC 2998 & 48.0 & 11.3 & 213 & 10.1 & 3.05 \\
  NGC 801  & 60.0 & 12.9 & 218 & 10.6 & 3.00 \\
  NGC 5371 & 40.0 & 12.5 & 208 & 9.61 & 2.76 \\
  NGC 4157 & 26.0 & 5.62 & 185 & 7.61 & 3.24 \\
  NGC 4217 & 14.5 & 4.50 & 178 & 7.04 & 3.35 \\
  NGC 4013 & 27.0 & 4.84 & 177 & 6.96 & 3.19 \\
  NGC 4088 & 18.8 & 4.09 & 173 & 6.65 & 3.32 \\
  NGC 4100 & 19.8 & 4.62 & 164 & 5.98 & 2.81 \\
  NGC 3726 & 28.0 & 3.24 & 162 & 5.83 & 3.26 \\
  NGC 4051 & 10.6 & 3.29 & 159 & 5.62 & 3.12 \\
  NGC 4138 & 13.0 & 3.01 & 147 & 4.82 & 2.80 \\
  NGC 2403 & 19.0 & 1.57 & 134 & 3.99 & 3.19 \\
  UGC 128  & 40.0 & 1.48 & 131 & 3.81 & 3.14 \\
  NGC 3769 & 33.0 & 1.33 & 122 & 3.31 & 2.88 \\
  NGC 6503 & 21.8 & 1.07 & 121 & 3.25 & 3.14 \\
  NGC 4183 & 18.0 & 0.93 & 112 & 2.79 & 2.89 \\
  UGC 6917 & 9.0  & 0.74 & 110 & 2.69 & 3.12 \\
  UGC 6930 & 14.5 & 0.73 & 110 & 2.69 & 3.14 \\
  M   33   & 9.0  & 0.61 & 107 & 2.54 & 3.24 \\
  UGC 6983 & 13.8 & 0.86 & 107 & 2.54 & 2.74 \\
  NGC 7793 & 6.8  & 0.51 & 100 & 2.22 & 3.10 \\
  NGC 300  & 12.4 & 0.35 & 90  & 1.80 & 3.02 \\
  NGC 5585 & 12.0 & 0.37 & 90  & 1.80 & 2.94 \\
  NGC 6399 & 6.8  & 0.28 & 88  & 1.72 & 3.22  \\
  NGC 55   & 10.0 & 0.23 & 86  & 1.64 & 3.39 \\
  UGC 6667 & 6.8  & 0.33 & 86  & 1.64 & 2.83 \\
  UGC 6923 & 4.5  & 0.24 & 81  & 1.46 & 2.95 \\
  UGC 6818 & 6.0  & 0.14 & 73  & 1.18 & 3.12 \\
 \hline
  \end{tabular}}
\par
  \medskip
$R$: radius of the galaxy (kpc); M: stellar + HI mass
($10^{10}~M_\odot$);\\ $v_{\infty}$: asymptotic speed  (km~s$^{-1}$);
$\alpha_0$: $2(v_\infty/c)^2 M^{-0.494}$.
 \end{table}