\begin{table}%t6 \caption {\label{lines}Table of elements and spectral lines used for mapping of \hd.} %\centering \small \begin{tabular}{llrrccc} \hline \hline\noalign{\smallskip} Species & $\lambda$ (\AA) & $\log gf$ & $E_{\rm low}$ (eV) & min, max & Blended with & $\odot$ \\ & & & & $\log(N/N_{{\rm tot}})$ & & $\log(N/N_{{\rm tot}})$ \\ \hline Mg \i\ & 5401.5210 & --0.340 & 11.6300 & & Fe, Y & --4.51 \\ \hline Si \ii\ & 5055.9840 & 0.593 & 10.0740 & $-4.8, -2.6$ & & --4.53 \\ Si \i\ & 5421.1680 & --2.250 & 5.6190 & $ $ & Cr, Mn & \\ Si \i\ & 5421.3830 & --1.480 & 5.6190 & $ $ & Cr, Mn & \\ \hline Ca \i\ & 6102.7230 & --0.862 & 1.8790 & $-6.5, -2.7$ & Fe & --5.73 \\ Ca \ii\ & 6456.8750 & --0.539 & 8.4380 & & Fe & \\ \hline Ti \ii\ & 5154.0680 & --1.750 & 1.5660 & $-8.3, -6.1$ & Cr, Fe & --7.14 \\ \hline Cr \ii\ & 5237.3290 & --1.350 & 4.0730 & $-7.1, -3.6$ & & --6.40 \\ & 5280.0540 & --2.316 & 4.0740 & & & \\ & 5510.7020 & --2.614 & 3.8270 & & Fe, Y, Ni & \\ \hline Fe \i\ & 5383.3692 & 0.645 & 4.3120 & $ 5.4, -3.6 $ & & --4.59 \\ & 5400.5022 & --0.160 & 4.3710 & & & \\ & 5400.6560 & --2.482 & 3.6350 & & & \\ & 5401.2689 & --1.920 & 4.3200 & & & \\ \hline Ni \i\ & 5510.0030 & --0.900 & 3.8470 & $-6.1, -5.6 $ & Cr, Fe, Y & --5.81 \\ \hline Y \ii\ & 5509.8950 & --1.010 & 0.9920 & $-9.9, -7.5 $ & Cr, Fe, Ni & --9.83 \\ & 5662.9250 & 0.160 & 1.9440 & & Fe & \\ \hline Cu \ii\ & 5153.2300 & 0.217 & 3.7860 & $-8.0, -6.9 $ & Cr, Ti, Fe & --7.83 \\ \hline \end{tabular} \tablefoot{Element, spectral lines used, the $\log gf$ values of these lines, abundance interval in~dex, for comparison the solar values (Asplund et~al. \cite{Aspl05}) are presented. Atomic parameters used in our study were extracted from~VALD.} \end{table}