\begin{table}%t3
\caption{\label{tab:strat}List of Si, Ca, Fe, and Ba spectral lines used for reconstruction of chemical stratification.}
%\centering
\par
\begin{tabular}{lcrrrl}
\hline
\hline\noalign{\smallskip}
Ion &$\lambda$ (\AA) &\ei~(eV)  &\loggf&$\log~\gamma_{\rm St}$ & Ref.\\
\hline
\ion{Si}{i} &  5517.533&  5.082 &--2.49~&  --4.46 &solar\\  
\ion{Si}{i} &  5690.425&  4.930 &--1.76~&  --4.57 &NIST \\            
\ion{Si}{i} &  5797.688&  5.614 &--2.67~&  --3.86 &K07  \\           
\ion{Si}{i} &  5797.856&  4.954 &--2.05~&  --4.32 &NIST \\        
\ion{Si}{i} &  6087.697&  5.871 &--2.38~& approx &K07  \\        
\ion{Si}{i} &  6087.805&  5.871 &--1.71~& approx &solar\\         
\ion{Si}{i} &  6155.134&  5.619 &--0.80~&  --3.70 &solar\\         
\ion{Si}{ii}&  6347.109&  8.121 &~0.297&  --5.04 &BBCB \\         
\ion{Si}{ii}&  6371.371&  8.121 &--0.003&  --5.04 &BBCB \\
\ion{Si}{i} &  8742.446&  5.871 &--0.510&  --4.52 &solar\\         
\ion{Si}{i} &  8892.720&  5.984 &--0.830&  --4.37 &solar\\
            &          &        &      &        &     \\         
\ion{Ca}{i} &  6717.681&  2.709 &--0.524&  --4.90 &SR   \\            
\ion{Ca}{i} &  7148.150&  2.709 &~0.137&  --6.01 &SR   \\          
\ion{Ca}{i} &  7326.145&  2.933 &--0.208&  --5.16 &S    \\         
\ion{Ca}{ii}&  8254.721&  7.515 &--0.398&  --4.60 &T    \\         
\ion{Ca}{ii}&  8498.223&  1.692 &--1.416&  --5.70 &T    \\         
\ion{Ca}{ii}&  8912.068&  7.047 &~0.637&  --5.10 &T    \\        
            &          &        &      &        &     \\         
\ion{Fe}{i} &  4404.750&	 1.557 &--0.142&  --6.20 &MFW  \\         
\ion{Fe}{ii}&  5169.033&	 2.891 &--1.14~&  --6.59 &M    \\   
\ion{Fe}{i} &  5405.775&	 0.990 &--1.844&  --6.30 &MFW  \\  
\ion{Fe}{i} &  5415.199&	 4.386 &~0.642&  --4.76 &BWL  \\  
\ion{Fe}{i} &  5615.644&	 3.332 &~0.050&  --5.50 &BKK  \\  
\ion{Fe}{i} &  6219.281&	 2.198 &--2.433&  --6.20 &MFW  \\  
\ion{Fe}{ii}&  7222.394&	 3.889 &--3.36~&  --6.67 &HLGH \\  
\ion{Fe}{i} &  8248.129&	 4.371 &--0.887&  --5.36 &K07  \\          	  
\ion{Fe}{i} &  8365.634&	 3.251 &--2.047&  --6.10 &BK   \\        			  
\ion{Fe}{i} &  8945.189&	 5.033 &--0.235&  --5.17 &K07  \\        		
            &          &        &      &        &     \\
\ion{Ba}{i} &  5777.618&	 1.676 &~0.72~&  approx&MW   \\         
\ion{Ba}{ii}&  5853.668&	 0.604 &--1.00~&  --6.35 &MW   \\         
\ion{Ba}{i} &  6019.465&	 1.120 &--0.10~&  approx&MW   \\           
\ion{Ba}{i} &  6063.109&	 1.143 &~0.21~&  approx&MW   \\  
\ion{Ba}{ii}&  6141.713&	 0.704 &--0.076&  --6.35 &MW   \\         
\ion{Ba}{ii}&  6496.897&	 0.604 &--0.377&  --6.35 &MW   \\         
\ion{Ba}{i} &  7059.938&	 1.190 &~0.68~&  approx&MW   \\  
\ion{Ba}{i} &  7280.297&	 1.143 &~0.47~&  approx&MW   \\  
\hline                                
\end{tabular}
\tablebib {Columns give the ion identification, central wavelength, excitation potential, oscillator strength~(\loggf) and the Stark damping constant~($\log~\gamma_{\rm St}$) for $T=10~000$~K. The last column gives reference for the adopted oscillator strength:
NIST~-- \citet{NIST}; K07~-- \citet{K07}; BBCB~-- \citet{BBCB}; SR~-- \citet{SR}; S~-- \citet{S}; T~-- \citet{T}; MFW~-- \citet{MFW}; BWL~-- \citet{BWL}; BKK~-- \citet{BKK}; HLGH~-- \citet{HLGH};
BK~-- \citet{BK}; MW~-- \citet{MW}.}
\end{table}