\begin{table}%t2 \caption{\label{param}Calculated parameters of the photometrical model.} %\centering \small \begin{tabular}{lllllll} \hline\hline\noalign{\smallskip} Population & $a_0$ & $q$ & $N$ & $\kappa$ & $k$ & $h$ \\ & (kpc) & & & & & \\ \hline\noalign{\smallskip} Bulge &$0.50\pm0.01$&$1.06\pm0.03$&$3.46\pm0.11$ &&$7.2086\times 10^{-4}$&896.897 \\ Disc & $6.7\pm0.2$ &$0.08\pm0.01$&$1.90\pm0.13$ &&$6.4723 \times 10^{-2}$&26.7655 \\ Young disc\tablefootmark{a} & $9.5\pm0.2$ &$0.02\pm0.003$&$0.35\pm0.02$&$0.67\pm0.02$&1.3334& 1.23802 \\ Halo & $6.5\pm0.4$ &$0.50\pm0.02$&$5.0\pm0.2$ &&$4.1625 \times 10^{-6}$&31809.6 \\ Dust disc & 17.0 &0.014 &1.0 &&0.5000&4.00000 \\ \hline \par Population & $L_U$ & $L_B$ & $L_V$ & $L_R$ & $L_I$& $L_L$ \\ & ($10^{10}~{L_{\odot}}$) & ($10^{10}~{L_{\odot}}$) & ($10^{10}~{L_{\odot}}$) & ($10^{10}~{L_{\odot}}$) & ($10^{10}~{L_{\odot}}$)& ($10^{10}~{L_{\odot}}$) \\ \hline Bulge & $0.63\pm0.07$& $0.82\pm0.04$& ($0.96\pm0.05$) & ($0.93\pm0.04$) & $0.83\pm0.09$ & $4.08\pm0.22$ \\ Disc & $0.61\pm0.07$& $0.90\pm0.06$& $1.36\pm0.07$ & $1.47\pm0.13$ & ($1.88\pm0.27$) & $5.40\pm0.52$ \\ Young disc\tablefootmark{b} & $0.98\pm0.11$&$1.10\pm0.08$ &$0.85\pm0.08$ &$0.83\pm0.13$ & ($1.19\pm0.21$) & $1.09\pm0.58$ \\ Halo & ($0.79\pm0.19$)& ($0.82\pm0.11$)& $0.23\pm0.02$ & ($1.70\pm0.28$) & $0.72\pm0.06$ & ($2.32\pm0.95$) \\ \hline \end{tabular} \tablefoot{The luminosities are corrected for the intrinsic absorption and the absorption in the Milky~Way. The luminosities supported by insufficient data are given in brackets. \tablefoottext{a}{Structural parameters for the young disc are only given for the positive component; see Sect.~\ref{sec:density_dist} for determining the parameters of the negative component.} \tablefoottext{b}{The luminosities of the young disc are its true luminosities ($L=L_{+}+L_{-}$).}} \end{table}