\begin{table}%t1
%\centering
\par
\caption{\label{sample}The sample with variable types, periods~$P$, luminosities $L_{\star}$, and distances $D$.}
\small \begin{tabular}{lcccc}
\hline\hline
 Source  & Var.& $P$ & $L_{\star}$ &$D$\\ 
type& [days] & [$L_\odot$] &[pc]\\
\hline
{R And} & {M} &  409 & 6000 & 300 \\
{W And} & {M} & 397 & 5800 & 280 \\
{Z Ant} & {SR} & 104 & 4000 & 470 \\
{VX Aql} & {M:} & $\cdots$ & 4000 & 790 \\
{W Aql} & {M} & 490 & 6800 & 230 \\             
{AA Cam} & {Lb} & $\cdots$ & 4000 & 800 \\
{T Cam} & {M} & 374 & 5600 & 540 \\
{S Cas} & {M} & 611 & 8000 & 440 \\             
{V365 Cas}   & {SRb} & 136 & 4000 & 625 \\
{WY Cas}     & {M} & 477 & 6700 & 600 \\
{AM Cen} & {Lb} & $\cdots$ & 4000 & 750 \\
{TT Cen} & {M} & 462 & 6500 & 880 \\
{UY Cen} & {SR} & 115 & 4000 & 590 \\
{V386 Cep} & {SR} & $\cdots$ & 4000 & 470 \\
{T Cet} & {SRb} & 159 & 4000 & 240 \\           
{AA Cyg} & {SRb} & 213 & 4000 & 480 \\
{AD Cyg} & {Lb} & $\cdots$ & 4000 & 980 \\
{R Cyg} & {M} & 426 & 6100 & 440 \\             
{$\chi$ Cyg} & {M} & 407 & 5900 & 110 \\
{TV Dra}     & {Lb} & $\cdots$ & 4000 & 390 \\
{DY Gem} & {SRa} & $\cdots$ & 4000 & 680 \\
{R Gem} &  {M} & 370 & 5500 & 710 \\
{ST Her} & {SRb} & 148 & 4000 & 300 \\
{RX Lac} & {SRb} & 174 & 4000 & 310 \\
{GI Lup} & {M} & 325 & 5000 & 690 \\            
{R Lyn} & {M} & 379 & 5600 & 850 \\
{Y Lyn} & {SRc} & 110 & 4000 & 260 \\
{S Lyr} & {M} & 438 & 6300 & 1210 \\            
{FU Mon}     & {SR} & 310 & 4000 & 780 \\
{RZ Peg}     & {M} & 439 & 6300 & 970 \\
{RT Sco} & {M} & 449 & 6400 & 270 \\
{ST Sco} & {SRa} & 195 & 4000 & 380 \\
{RZ Sgr} & {SRb} & 223 & 4000 & 730 \\
{ST Sgr} & {M} & 395 & 5800 & 540 \\
{T Sgr} & {M} & 392 & 5800 & 590 \\             
{EP Vul} & {Lb} & $\cdots$ & 4000 & 510 \\
{DK Vul} & {SRa} & 370 & 4000 & 750 \\
{AFGL 2425} & {U} & $\cdots$ & 4000 & 610 \\
{CSS2 41} & {U} & $\cdots$ & 4000 & 880 \\        
{IRC--10401} &  {U} & $\cdots$ & 4000 & 430 \\
\hline
\end{tabular}
\end{table}