\begin{table}%t3 \caption{\label{t4}Adopted masses of the selected EEB and their classical and relativistic apsidal motion.} %\centerline {\small \begin{tabular}{ccllccccl} \hline\hline\noalign{\smallskip} System & Spectral & $M_1$ & $M_2$ & $\dot{\omega}_{\rm rel}$ & $\dot{\omega}_{\rm obs}$ & $\dot{\omega}_{\rm rel} / \dot{\omega}_{\rm obs}$ & Source \\ & type & [\ms] & [\ms] & \multicolumn{2}{c}{[10$^{-5}$ deg/cycle]} & [\%] & \\ \noalign{\smallskip}\hline\noalign{\smallskip} BW~Aqr & F7V & 1.49(2) & 1.39(2) & 32 & 92 & 35 & Clausen (\cite{Clausen1991}) \\ V889~Aql* & B9.5V+A0V & 2.4 & 2.2 & 25 & 45 & 78 & Wolf et~al. (2005) \\ SW~CMa & A3 & 2.22 & 2.03 & 34 & 67 & 51 & Clausen et~al. (\cite{Clausen2008}) \\ IT~Cas & F6V+F6V & 1.330(9) & 1.328(8) & 40 & 87 & 46 & Lacy et~al. (\cite{Lacy1997}) \\ V459~Cas & A1V+A1V & 2.02(3) & 1.96(3) & 33 & 71 & 46 & Lacy et~al. (\cite{Lacy2004}) \\ V636~Cen & F8/G0V & 1.04 & 0.85 & 32 & 80 & 40 & Clausen et~al. (\cite{Clausen2008}) \\ EK Cep & A1V+G5V & 2.029(23) & 1.124(12) & 44 & 93 & 47 & Popper (\cite{Popper1987}) \\ V731~Cep & B8.5V+A1.5V & 2.577(98) & 2.017(84)& 45 & 60 & 75 & Bakis et~al. (\cite{Bakis2008}) \\ TV~Cet* & F2V+F5V & 1.39 & 1.27 & 24 & 30 & 80 & Wolf et~al. (\cite{Wolf2001}) \\ V541~Cyg & B9.5V+B9.5V & 2.24(9) & 2.24(8) & 32 & 32 & 100 & Lacy (\cite{Lacy1998a}) \\ V1143~Cyg & F5V+F5V & 1.391(16) & 1.347(13) & 39 & 72 & 54 & Andersen et~al. (\cite{Andersen1987}) \\ V1147~Cyg & A2 & 2.15 & 2.01 & 24 & 40 & 60 & Wetterer et~al. (\cite{Wetterer2006}) \\ BF~Dra & F8V+F8V & 1.4(1) & 1.4(1) & 25 & 56 & 45 & Imbert (\cite{Imbert1985}) \\ RW~Lac* & G5V+G7V & 0.928(6) & 0.870(4) & 17 & 18 & 97 & Lacy et~al. (\cite{Lacy2005}) \\ V345~Lac & B8V+B8V & 3.0 & 3.0 & 59 & 107& 55 & Wolf et~al. (\cite{Wolf2004}) \\ RR Lyn* & A2IV+F0V& 1.89(7) & 1.49(5) & 27 & 40 & 67 & Khaliullin \& Khaliullina (\cite{Khaliullin2002})\\ EW~Ori & G0V+G5V & 1.190(14) & 1.154(14) & 27 & 57 & 47 & Popper et~al. (\cite{Popper1986}) \\ GG~Ori & B9.5V+B9.5V & 2.342(16) & 2.338(17)& 45 & 57 & 79 & Torres et~al. (\cite{Torres2000}) \\ VV~Pyx & A1V+A1V & 2.098(18) & 2.098(18) & 51 & 138& 37 & Andersen et~al. (\cite{Andersen1984}) \\ V1094~Tau* & G0V+G3V & 1.10(1) & 1.01(1) & 22 & 65 & 34 & Griffin \& Boffin (\cite{Griffin2003}) \\ \noalign{\smallskip}\hline \end{tabular}} \medskip Note: * {\it possible triple system.} \vspace*{3mm} \end{table}