\begin{table}%t2 \caption{\label{orbital-sol}Orbital solutions of RS Oph.} \small %\centerline {\begin{tabular}{lcccccccll} \hline\hline \noalign{\smallskip} Component & $P$ & $K$ & $\gamma_0$ & $e$ & $\omega$& $T_0^{(1)}$& $\Delta$$\phi^{(2)}$ & $a\sin i$ & $f(M)$ \\ &[days]& [$\rm km~s^{-1}$] & [$\rm km~s^{-1}$] & & [deg] & [JD~24...] & &[AU] &[$M_\odot$]\\ %\noalign{\smallskip} \hline M-giant & & & & & & & & \\ Our data & 452.8~$\pm$~1.5 & 19.5~$\pm$~0.7 & --38.0~$\pm$~0.4 & 0$^{(3)}$ & & 51~055.50 & & 0.81 & 0.35 \\ Our data & 453.2~$\pm$~1.2 & 20.0~$\pm$~0.7 & --38.7~$\pm$~0.4 & 0.10~$\pm$~0.03& 120~$\pm$~16 & 51~205.95 & & 0.83 & 0.37 \\ DK+F+ours & 453.6~$\pm$~0.4 & 17.5~$\pm$~0.6 & --39.5~$\pm$~0.4 & 0$^{(3)}$& & 45~156.94 & 0.00& 0.73 & 0.25 \\ DK+F+ours & 453.6$^{(3)}$& 18.6~$\pm$~0.6 & $-4$0.2~$\pm$~0.4 & 0.14~$\pm$~0.03& 135~$\pm$~11 & 44~873.23 & & 0.77 & 0.29 \\ \hline cF-abs & & & & & & & & & \\ Our data$^{(5)}$ & 453.6$^{(3)}$ & 8.0~$\pm$~1.2 & --32.5~$\pm$~0.9 & 0$^{(3)}$ & & 50~493.51 & --0.24&0.33 & 0.024 \\ & 453.6$^{(3)}$ & 10.2~$\pm$~1.8 & --31.8~$\pm$~0.8 & 0.52~$\pm$~0.14& 200~$\pm$~13 & 50~750.54 & &0.36 & 0.031 \\ DK+ours & 453.6$^{(3)}$ & 3.2~$\pm$~0.9 & --34.7~$\pm$~0.7 & 0$^{(3)}$ & & 45~041.11 & --0.26&0.13 & 0.001 \\ & 453.6$^{(3)}$ & 8.3~$\pm$~2.8 & --34.6~$\pm$~0.7 & 0.82~$\pm$~0.07& 344~$\pm$~16 & 46~799.95 & &0.20 & 0.005 \\ \hline Emission wings & & & & & & & & & \\ H$\alpha$ wings & 456.0~$\pm$~6.1& 8.6~$\pm$~1.2 & --35.4~$\pm$~0.70&0$^{(3)}$ & & 50~376.11 & & & \\ H$\alpha$ wings & 453.6$^{(3)}$& 8.5~$\pm$~1.2 & --35.4~$\pm$~0.70&0$^{(3)}$ & & 50~385.80 & 0.53 &0.42 & 0.029 \\ H$\alpha$ wings$^{(4)}$& 453.6$^{(3)}$& 10.0~$\pm$~2.3 &--36.6~$\pm$~1.5 & 0$^{(3)}$ & & & &0.35 & 0.047 \\ \hline \end{tabular}}\medskip \par Combined orbital solutions ($P=453.6\pm0.4$ days).\\ \medskip \par %\tabcolsep2pt %\centerline {\begin{tabular}{lccccccc} \hline\hline \noalign{\smallskip} Component & $K$ & $\gamma_0$ & $e$ & $\omega$& $T_0^{(1)}$& $a\sin i$ &$M\sin^3$i \\ & [$\rm km~s^{-1}$]& [$\rm km~s^{-1}$] & & [deg] & [JD24...] & [AU] & [M$_\odot$] \\ \noalign{\smallskip} \hline \noalign{\smallskip} DK+F+ours & 17.1~$\pm$~0.6 & --38.7~$\pm$~0.4 & 0$^{(3)}$ & & 45~612.05& 0.71 & 0.35 \\ H$\alpha$ wings & 10.1~$\pm$~1.2 & & & & & 0.42 & 0.59 \\ \hline DK+F+ours & 17.2~$\pm$~0.7 & --38.7~$\pm$~0.4 & 0.04~$\pm$~0.03 & 87~$\pm$~44& 45~722.37 &0.72 & 0.35\\ H$\alpha$ wings & 10.2~$\pm$~1.2 & & & & &0.42 & 0.59\\ \hline DK+F+ours$^{(4)}$ & 16.4~$\pm$~1.5 & --38.4~$\pm$~0.8 & 0$^{(3)}$ & & 0.00 & 0.68 & 0.35 \\ H$\alpha$ wings$^{(4)}$ & 10.4~$\pm$~1.8 & & & & & 0.43 & 0.55 \\ \hline \end{tabular} } \medskip \par Notes: $^{(1)}$ $T_0$ is the time of maximum velocity (circular orbits) or the time of periastron passage (elliptical orbits); $^{(2)}$ $\Delta\phi$ = ($T_0 - T_{0, \rm giant})/P$; $^{(3)}$~assumed; $^{(4)}$ binned data; $^{(5)}$ solutions using only the measurements of the \ion{Ti}{ii} absorption lines. \end{table}