All Figures

$\begin{figure} \par\includegraphics[width=8.8cm,clip]{pvcas1.eps}\end{figure}$ Figure 1: Theoretical standard models for PV Cas. The upper panel shows the effective temperature ratio TR as a function of time ( $\log$ (age)). The middle panel shows the radii of the models as a function of the log (age) (continuous line represents the primary and dashed line denotes the secondary). The two vertical dotted lines illustrate the influence of the radius error bars in the age determination. The horizontal dashed lines indicate the error bars for the primary while the horizontal dotted lines denote the same for the secondary. The bottom panel presents the mean apsidal-motion constant for PV Cas (continuous: Radau equation and short-dashed: Kopal approach). The horizontal lines represent the observational value affected by the error bars ( $\dot\omega_{\rm obs}$ was taken from Svaricev et al. 2008).
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In the text

$\begin{figure} \par\includegraphics[width=8.6cm,clip]{pvcas2.eps} \end{figure}$ Figure 2: The same as for Fig. 1 but taking into account solid rotation. $\Omega_{\rm ZAMS} = 5.5\times10^{-5}~{\rm s}^{-1}$ .
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In the text

$\begin{figure} \par\includegraphics[width=8.6cm,clip]{pvcas3.eps} \end{figure}$ Figure 3: The same as for Fig. 1 but taking into account rotation with local conservation of the angular momentum. $\Omega_{\rm ZAMS}= 7.6~\times~~10^{-5}~{\rm s}^{-1}$ .
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In the text

$\begin{figure} \par\includegraphics[width=7.7cm,clip]{pvcas4.eps}\end{figure}$ Figure 4: The apsidal-motion constant as a function of the ratio between the central and surface rotational velocities. Continuous line represents the calculations by integrating the Radau differential equation while dashed one denotes the Kopal approach. Model with 1.81 $M_{\odot }$ , local conservation of the angular momentum and $\Omega_{\rm ZAMS}= 7.6~\times~~10^{-5}~{\rm s}^{-1}$ .
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In the text

$\begin{figure} \par\includegraphics[width=8.6cm,clip]{pvcas2.eps} \end{figure}$	Figure 2: The same as for Fig. 1 but taking into account solid rotation. $\Omega_{\rm ZAMS} = 5.5\times10^{-5}~{\rm s}^{-1}$ .
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$\begin{figure} \par\includegraphics[width=8.6cm,clip]{pvcas3.eps} \end{figure}$	Figure 3: The same as for Fig. 1 but taking into account rotation with local conservation of the angular momentum. $\Omega_{\rm ZAMS}= 7.6~\times~~10^{-5}~{\rm s}^{-1}$ .
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$\begin{figure} \par\includegraphics[width=7.7cm,clip]{pvcas4.eps}\end{figure}$	Figure 4: The apsidal-motion constant as a function of the ratio between the central and surface rotational velocities. Continuous line represents the calculations by integrating the Radau differential equation while dashed one denotes the Kopal approach. Model with 1.81 $M_{\odot }$ , local conservation of the angular momentum and $\Omega_{\rm ZAMS}= 7.6~\times~~10^{-5}~{\rm s}^{-1}$ .
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