\begin{table}%t1
\caption{Evolutionary properties of intermediate-mass models.}             
\label{phys}      
%\centering
\par
\small
\begin{tabular}{c c c c c c c c}     % 8 columns 
\hline\hline \noalign{\smallskip}         
                      % To combine 4 columns into a single one 
$M/M_{\odot}$ & $\tau_{\rm H}/10^6$ & 
$\tau_{\rm He}/10^6$ & $M_{\rm core}/M_{\odot}$ & 
$\log(L/L_{\odot})_{\rm max}$ & $T^{\rm bce}_{\rm max}$ &  
$N_{\rm pulse}$(NTP) & $\lambda$  \\ 
\hline    \noalign{\smallskip}        
 & & & $Z=10^{-4}$ & & & &     \\
%\hline    
   3.0 & 240 & 45.4  & 0.78 & 4.42 & 78  & 24  & 0.7  \\  
   3.5 & 174 & 29.0  & 0.81 & 4.52 & 85  & 27  & 0.7  \\
   4.0 & 132 & 20.3  & 0.84 & 4.61 & 92  & 32  & 0.7  \\
   4.5 & 104 & 14.7  & 0.87 & 4.69 & 98  & 35  & 0.6  \\
   5.0 & 85  & 11.3  & 0.91 & 4.77 & 107 & 41 & 0.5  \\
   5.5 & 70  & 9.0   & 0.96 & 4.84 & 120 & 55 & 0.5  \\
   6.0 & 60  & 7.2   & 1.01 & 4.87 & 127 & 71 & 0.3  \\
\hline    \noalign{\smallskip}        
& & & $Z=2\times 10^{-4}$ & & & &     \\    
%\hline   
   3.0 & 248 & 46.5  & 0.78 & 4.41 & 77  & 22  & 0.7  \\  
   3.5 & 179 & 29.8  & 0.81 & 4.51 & 85  & 28  & 0.7  \\
   4.0 & 135 & 20.7  & 0.84 & 4.59 & 92  & 32  & 0.7  \\
   4.5 & 106 & 15.1  & 0.87 & 4.68 & 98  & 36  & 0.6  \\
   5.0 & 86  & 11.4  & 0.91 & 4.76 & 105 & 41  & 0.5  \\
   5.5 & 72  & 9.1   & 0.95 & 4.83 & 117 & 47  & 0.5  \\
   6.0 & 61  & 7.4   & 1.00 & 4.90 & 123 & 48  & 0.3  \\
   6.3 & 55  & 6.4   & 1.05 & 4.97 & 126 & 26  & 0.0  \\
\hline \noalign{\smallskip}      
& & & $Z=6\times 10^{-4}$ & & & &     \\    
%\hline   
   3.0 & 265 & 50.3  & 0.77 & 4.40 & 75  & 22  & 0.7  \\  
   3.5 & 188 & 32.2  & 0.81 & 4.55 & 84  & 25  & 0.7  \\
   4.0 & 141 & 22.5  & 0.83 & 4.59 & 91  & 31  & 0.7  \\
   4.5 & 110 & 16.3  & 0.86 & 4.68 & 97  & 34  & 0.7  \\
   5.0 & 89  & 12.4  & 0.90 & 4.76 & 103 & 37  & 0.6  \\
   5.5 & 74  & 9.7   & 0.94 & 4.83 & 110 & 37  & 0.6  \\
   6.0 & 62  & 7.9   & 1.02 & 4.94 & 116 & 30  & 0.3  \\
   6.4 & 56  & 6.6   & 1.05 & 5.00 & 118 & 29  & 0.0  \\
\hline\noalign{\smallskip}     
& & & $Z=10^{-3}$ & & & &     \\    
%\hline   
   3.0 & 277 & 55.0  & 0.76 & 4.39 & 73  & 20  & 0.7  \\  
   3.5 & 195 & 34.0  & 0.80 & 4.50 & 83  & 24  & 0.7  \\
   4.0 & 146 & 23.5  & 0.83 & 4.57 & 89  & 26  & 0.7  \\
   4.5 & 113 & 17.3  & 0.86 & 4.65 & 95  & 32  & 0.6  \\
   5.0 & 91  & 12.8  & 0.89 & 4.72 & 101 & 31  & 0.5  \\
   5.5 & 75  & 10.1  & 0.94 & 4.80 & 106 & 32  & 0.5  \\
   6.0 & 63  & 8.2   & 1.00 & 4.92 & 112 & 29  & 0.3  \\
   6.3 & 58  & 7.2   & 1.03 & 4.96 & 114 & 28  & 0.3  \\
\hline\noalign{\smallskip} 
& & & $Z=4\times 10^{-3}$ & & & &     \\    
%\hline
   3.0 & 319 & 69.5  & 0.65 & 4.26 & 45  & 25  & 0.7  \\  
   3.5 & 220 & 42.0  & 0.77 & 4.43 & 78  & 23  & 0.7  \\
   4.0 & 160 & 27.8  & 0.80 & 4.51 & 85  & 31  & 0.7  \\
   4.5 & 122 & 19.6  & 0.83 & 4.60 & 89  & 32  & 0.6  \\
   5.0 & 97  & 14.8  & 0.86 & 4.67 & 93  & 32  & 0.5  \\
   5.5 & 79  & 11.4  & 0.89 & 4.75 & 98  & 32  & 0.5  \\
   6.0 & 66  & 9.5   & 0.96 & 4.85 & 105 & 26  & 0.3  \\
   6.5 & 56  & 7.8   & 1.03 & 4.95 & 110 & 24  & 0.3  \\
\hline
\end{tabular}
\end{table}