\begin{table}%t1 \caption{\label{tab1}Revised astrophysical parameters and orbital elements of EBS showing apsidal motion.} \par %\centering \par \begin{tabular}{llllllllll} \hline\hline \noalign{\smallskip} System & $P$ (d) & Mass & Radius & $T_{\rm eff}$ & $\log g$ & e & d$\omega$/d$t$& Ref. \\ & (days) & ($M_{\odot}$) & ($R_{\odot}$)& (K) & (cgs) & & (deg/cycle)&\\ \hline EM Car & 3.41& 22.83 $\pm$ 0.32 & 9.35 $\pm$ 0.17 &34~000 $\pm$ 2000 & 3.855 $\pm$ 0.016 & 0.0120 $\pm$ 0.0005&0.081 $\pm$ 0.005 & 1 \\ & & 21.38 $\pm$ 0.33 & 8.35 $\pm$ 0.16 &34~000 $\pm$ 2000 & 3.925 $\pm$ 0.016 & & & \\ \par V478 Cyg & 2.88& 16.62 $\pm$ 0.33 & 7.428 $\pm$ 0.072 &30479 $\pm$ 1000 &3.9173 $\pm$ 0.0074 &0.0158 $\pm$ 0.007&0.1047 $\pm$ 0.0010&2, 3, 4 \\ & & 16.27 $\pm$ 0.33 & 7.428 $\pm$ 0.072 &30549 $\pm$ 1000 &3.9080 $\pm$ 0.0075 & & & \\ \par V453 Cyg & 3.89& 13.82 $\pm$ 0.35 & 8.447 $\pm$ 0.068 &27800 $\pm$ 400 &3.7253 $\pm$ 0.0056 &0.022 $\pm$ 0.002 &0.054 $\pm$ 0.003&3, 5, 6,7 \\ & & 10.64 $\pm$ 0.22 & 5.422 $\pm$ 0.068 &26200 $\pm$ 500 &3.9970 $\pm$ 0.0095 & & & \\ \par CW Cep & 2.73& 13.05 $\pm$ 0.20 & 5.65 $\pm$ 0.12 &28300 $\pm$ 1000 & 4.050 $\pm$ 0.019 &0.0293 $\pm$ 0.0006&0.0582 $\pm$ 0.0005&4, 8, 9, 10 \\ & & 11.91 $\pm$ 0.20 & 5.14 $\pm$ 0.12 &27700 $\pm$ 1000 & 4.092 $\pm$ 0.021 & & & \\ \par QX Car & 4.48& 9.24 $\pm$ 0.12 & 4.292 $\pm$ 0.091 &23800 $\pm$ 500 & 4.139 $\pm$ 0.018 &0.278 $\pm$ 0.003 &0.01222 $\pm$ 0.00022& 11, 12 \\ & & 8.46 $\pm$ 0.12 & 4.054 $\pm$ 0.091 &22600 $\pm$ 500 & 4.150 $\pm$ 0.019 & & & \\ \par V539 Ara & 3.17& 6.240 $\pm$ 0.066 & 4.517 $\pm$ 0.084 &18100 $\pm$ 500 & 3.924 $\pm$ 0.016 &0.053 $\pm$ 0.001 &0.0193 $\pm$ 0.0010& 13, 14, 15 \\ & & 5.314 $\pm$ 0.060 & 3.429 $\pm$ 0.083 &17100 $\pm$ 500 & 4.094 $\pm$ 0.021 & & & \\ \par AG Per & 2.03& 5.35 $\pm$ 0.16 & 2.996 $\pm$ 0.071 &18200 $\pm$ 800 & 4.213 $\pm$ 0.020 &0.0709 $\pm$ 0.0006 &0.0262 $\pm$ 0.0004&4, 16 \\ & & 4.89 $\pm$ 0.13 & 2.606 $\pm$ 0.070 &17400 $\pm$ 800 & 4.296 $\pm$ 0.023 & & & \\ \par U Oph & 1.68& 5.273 $\pm$ 0.091 & 3.485 $\pm$ 0.021 &16~440 $\pm$ 250 &4.0759 $\pm$ 0.0043 &0.00305 $\pm$ 0.00008 &0.07919 $\pm$ 0.00001& 17, 18 \\ & & 4.739 $\pm$ 0.072 & 3.111 $\pm$ 0.034 &15590 $\pm$ 250 &4.1282 $\pm$ 0.0087 & & & \\ \par V760 Sco & 1.73& 4.969 $\pm$ 0.090 & 3.016 $\pm$ 0.066 &16900 $\pm$ 500 & 4.176 $\pm$ 0.019 &0.0270 $\pm$ 0.0005 &0.0443 $\pm$ 0.0004&19, 20 \\ & & 4.609 $\pm$ 0.073 & 2.642 $\pm$ 0.066 &16300 $\pm$ 500 & 4.258 $\pm$ 0.021 & & & \\ \par GG Lup & 1.85& 4.106 $\pm$ 0.044 & 2.381 $\pm$ 0.025 &14750 $\pm$ 450 &4.2983 $\pm$ 0.0089 &0.150 $\pm$ 0.005 &0.0181 $\pm$ 0.0006& 21 \\ & & 2.504 $\pm$ 0.023 & 1.726 $\pm$ 0.019 &11000 $\pm$ 600 &4.3628 $\pm$ 0.0092 & & & \\ \par $\zeta$ Phe & 1.67& 3.921 $\pm$ 0.045 & 2.853 $\pm$ 0.015 &14400 $\pm$ 800 &4.1210 $\pm$ 0.0040 &0.0113 $\pm$ 0.0010 &0.0280 $\pm$ 0.0010& 13, 22 \\ & & 2.545 $\pm$ 0.026 & 1.854 $\pm$ 0.011 &12~000 $\pm$ 600 &4.3076 $\pm$ 0.0046 & & & \\ \par IQ Per & 1.74& 3.504 $\pm$ 0.054 & 2.446 $\pm$ 0.024 &12300 $\pm$ 230 &4.2060 $\pm$ 0.0080 &0.0763 $\pm$ 0.0008 &0.0138 $\pm$ 0.0003& 4, 23\\ & & 1.730 $\pm$ 0.025 & 1.499 $\pm$ 0.016 & 7700 $\pm$ 140 &4.3248 $\pm$ 0.0085 & & & \\ \par PV Cas & 1.75& 2.816 $\pm$ 0.050 & 2.301 $\pm$ 0.020 &10200 $\pm$ 250 &4.1640 $\pm$ 0.0063 &0.0322 $\pm$ 0.0005 &0.0190 $\pm$ 0.0004&24, 25, 26 \\ & & 2.757 $\pm$ 0.054 & 2.258 $\pm$ 0.019 &10190 $\pm$ 250 &4.1713 $\pm$ 0.0067 & & &\\ \par V451 Oph & 2.20& 2.769 $\pm$ 0.062 & 2.642 $\pm$ 0.031 &10800 $\pm$ 800 &4.0368 $\pm$ 0.0091 &0.0125 $\pm$ 0.0015 &0.0120 $\pm$ 0.0007& 27\\ & & 2.351 $\pm$ 0.052 & 2.029 $\pm$ 0.028 & 9800 $\pm$ 500 & 4.195 $\pm$ 0.011 & & & \\ \par V1647 Sgr & 3.28& 2.184 $\pm$ 0.037 & 1.832 $\pm$ 0.018 & 9600 $\pm$ 300 &4.2517 $\pm$ 0.0078 &0.4130 $\pm$ 0.0005 &0.00546 $\pm$ 0.00006& 28 \\ & & 1.967 $\pm$ 0.033 & 1.668 $\pm$ 0.017 & 9100 $\pm$ 300 &4.2879 $\pm$ 0.0084 & & & \\ \par EK Cep & 4.43& 2.025 $\pm$ 0.023 & 1.5801 $\pm$ 0.0065 & 9000 $\pm$ 200 &4.3473 $\pm$ 0.0027 &0.109 $\pm$ 0.003 &0.00093 $\pm$ 0.00010 & 29, 30, 31, 33 \\ & & 1.122 $\pm$ 0.012 & 1.3156 $\pm$ 0.0057 & 5700 $\pm$ 200 &4.2499 $\pm$ 0.0032 & & & \\ \par IT Cas & 3.90& 1.3315 $\pm$ 0.0093 & 1.595 $\pm$ 0.018 & 6470 $\pm$ 100 &4.1574 $\pm$ 0.0096 &0.0797 $\pm$ 0.0016 &0.00117 $\pm$ 0.00007& 32, 33 \\ & & 1.3290 $\pm$ 0.0078 & 1.563 $\pm$ 0.018 & 6470 $\pm$ 100 &4.1740 $\pm$ 0.0097 & & & \\ \par V636 Cen & 4.28& 1.0518 $\pm$ 0.0048 & 1.0188 $\pm$ 0.0043 & 5900 $\pm$ 85 &4.4441 $\pm$ 0.0036 &0.1348 $\pm$ 0.0012 &0.00080 $\pm$ 0.00005& 34 \\ & & 0.8545 $\pm$ 0.0030 & 0.8302 $\pm$ 0.0043 & 5000 $\pm$ 100 &4.5317 $\pm$ 0.0044 & & & \\ \hline \end{tabular} \par \tablebib {{1} Andersen \& Clausen (\cite{Andersen89}); {2} Popper \& Etzel (\cite{Popper81}); {3} Popper \& Hill (\cite{Popper91}); {4} Wolf et~al. (\cite{Wolf06}); {5} Southworth et~al. (\cite{Southworth04}); {6}~Pavlovski \& Southworth (\cite{Pavlovski09}); {7} Wachmann (1974); {8} Popper (\cite{Popper74}); {9} Clausen \& Gim\'enez (1991); {10} Stickland et~al. (\cite{Stickland92}); {11} Andersen et~al. (\cite{Andersen83}); {12} Gim\'enez et~al. (\cite{Gimenez86}); {13} Andersen (\cite{Andersen83}); {14} Clausen (\cite{Clausen96}); {15} Wolf \& Zejda (\cite{Wolf05}); {16} Gim\'enez \& Clausen (\cite{Gimenez94}); {17}~Holmgren et~al. ( \cite{Holmgren91}); {18} Vaz et~al. (\cite{Vaz07}); {19} Andersen et~al. (\cite{Andersen85}); {20} Wolf (\cite{Wolf00}); {21} Andersen et~al. (\cite{Andersen93}); {22} Zasche \& Wolf (\cite{Zasche07}); {23} Lacy \& Frueh (\cite{Lacy85}); {24} Popper (\cite{Popper87}a); {25} Barembaum \& Etzel (\cite{Barembaum95}); {26} {\v S}va{\v r}{\'{\i}}{\v c}ek et~al. (\cite{vSvavrivcek08}); {27} Clausen et~al. (\cite{Clausen86}); {28} Andersen \& Gim\'enez (\cite{Andersen85}); {29} Popper (\cite{Popper87}b); {30} Martin \& Rebolo (\cite{Martin93}); {31} Claret et~al. (\cite{Claret95}); {32} Lacy et~al. (\cite{Lacy97}); {33} Wolf et~al. (2009); {34} Clausen et~al. (\cite{Clausen09}). } \vspace*{-4mm} \end{table}