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\begin{longtable}{rcccccrrr}
\caption{Line parameters for $\psi$~Per.}\\
%
\multicolumn{1}{c}{HJD} & V peak & R peak& $V/R$ & peak
sep. & C peak & $v_{\rm H\alpha}$ & $v_{\rm {He}{I}\,6678}$ &
$v_{\rm {Si}{II}\,6347}$ \\
%
 & [$I_{\rm violet}/I_{\rm cont}$] & [$I_{\rm red}/I_{\rm
  cont}$] & & [km\,s\,$^{-1}$] & [$I_{\rm cent}/I_{\rm cont}$] &
  [km\,s\,$^{-1}]$ & [km\,s\,$^{-1}$] & [km\,s\,$^{-1}$] \smallskip \\
\hline
\endfirsthead
\caption{continued}\\
%
\multicolumn{1}{c}{HJD} & V peak & R peak& $V/R$ & peak
sep. & C peak & $v_{\rm H\alpha}$ & $v_{\rm {He}{I}\,6678}$ &
$v_{\rm {Si}{II}\,6347}$ \\
%
& [$I_{\rm violet}/I_{\rm cont}$] & [$I_{\rm red}/I_{\rm
  cont}$] & & [km\,s\,$^{-1}$] & [$I_{\rm cent}/I_{\rm cont}$] &
  [km\,s\,$^{-1}]$ & [km\,s\,$^{-1}$] & [km\,s\,$^{-1}$] \smallskip \\
\hline
\endhead
%
\hline
\multicolumn{7}{c}{Coud{\' e}/Reticon spectra} \\
\hline
2449580.524 &  4.85 & 4.83 & 1.01 & 133.6 & --- & $-$1.1 &   24.0 &    5.4 \\  
2449625.533 &  4.86 & 4.87 & 1.00 & 133.2 & --- & $-$5.1 &    4.7 &    3.8 \\ 
2449662.405 &  4.82 & 4.77 & 1.01 & 144.4 & --- & $-$2.6 &    0.6 & $-$0.4 \\ 
2449932.563 &  4.97 & 4.96 & 1.00 & 133.0 & --- & $-$2.7 &   17.8 &    2.4 \\ 
2450015.426 &  5.05 & 5.08 & 0.99 & 138.5 & --- & $-$2.9 & $-$6.1 & $-$3.1 \\ 
2450297.540 &  5.05 & 5.03 & 1.01 & 131.1 & --- & $-$6.2 &    3.2 &    1.3 \\ 
2450439.448 &  4.94 & 4.97 & 0.99 & 143.2 & --- & $-$3.0 & $-$6.2 & $-$4.7 \\ 
2450509.266 &   --- & ---  & ---  & ---   & --- & $-$2.5 & $-$2.1 & $-$3.1 \\ 
2450509.283 &  5.28 & 5.29 & 1.00 & 142.7 & --- & $-$3.2 &$-$12.0 & $-$3.4 \\ 
2451379.567 &  5.14 & 5.12 & 1.00 & 129.7 & --- & $-$1.5 & $-$4.7 &    6.3 \\ 
2451389.533 &   --- & ---  & ---  & ---   & --- &   ---  &    5.9 &    1.8 \\ 
2451431.551 &  5.33 & 5.36 & 1.00 & 132.2 & --- & $-$7.0 &    1.2 & $-$4.4 \\ 
2451509.399 &  5.46 & 5.44 & 1.00 & 140.8 & --- & $-$3.1 &$-$10.6 & $-$7.0 \\ 
\hline		  	   	   	    	     	      		 
\multicolumn{7}{c}{\rule{0ex}{2.5ex} {\sc Heros} spectra } \\	 
\hline									 
2451833.468 &  6.41 & 6.41 & 1.00 & 124.7 & --- & $-$1.5 &$-$11.1 &    4.9 \\
2451846.490 &  6.43 & 6.44 & 1.00 & 121.7 & --- & $-$1.0 &   15.6 &    6.5 \\
2451901.334 &  6.36 & 6.38 & 1.00 & 129.8 & --- & $-$1.7 &   23.4 & $-$2.0 \\
2452148.609 &  6.50 & 6.48 & 1.00 & 120.5 & --- & $-$2.0 &    6.4 &   18.9 \\
2452188.589 &  6.40 & 6.40 & 1.00 & 124.3 & --- & $-$2.0 &   16.4 &    8.2 \\
2452523.589 &  6.29 & 6.25 & 1.01 & 123.4 & --- &    0.3 &   13.7 &   11.5 \\
2452548.595 &  5.75 & 5.68 & 1.01 & 137.0 & --- & $-$1.8 &    3.5 &    8.3 \\
2452659.294 &  6.32 & 6.32 & 1.00 & 140.0 & --- & $-$1.2 &$-$10.3 &$-$19.4 \\
\hline					   
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