All Figures

$\begin{figure} \par\includegraphics[width=15.4cm,clip]{5613fig01.ps} \end{figure}$ Figure 1: y light curve and b-y and u-b colour curves (instrumental system) for DW Car.
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In the text

$\begin{figure} \par\includegraphics[width=15.4cm,clip]{5613fig02.ps} \end{figure}$ Figure 2: y light curve and b-y and u-b colour curves (instrumental system) for BF Cen.
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In the text

$\begin{figure} \par\includegraphics[width=15.4cm,clip]{5613fig03.ps} \end{figure}$ Figure 3: y light curve and b-y and u-b colour curves (instrumental system) for AC Vel.
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In the text

$\begin{figure} \par\includegraphics[width=15.4cm,clip]{5613fig04.ps} \end{figure}$ Figure 4: y light curve and b-y and u-b colour curves (instrumental system) for NSV 5783.
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In the text

$\begin{figure} \par\includegraphics[width=7.5cm,clip]{5613fig05.ps} \end{figure}$ Figure 5: Residuals (O-C) of the b observations of NSV 5783 from the theoretical light curve computed for the photometric elements given in Table 7. The slightly systematic residuals near central secondary eclipse are due to deviating observations from one night; see Sect. 6.1 for details.
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In the text

$\begin{figure} \par\includegraphics[width=16.8cm,clip]{5613fig06.ps} . \end{figure}$ Figure 6: EBOP solutions for NSV 5783 for a range of adopted $k = r_{\rm s}/r_{\rm p}$ values. The upper left figure shows the rms of the fit to the observations normalized to the value for k = 0.95. Symbols are: y cross, b diamond, v triangle, u square.
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In the text

$\begin{figure} \par\includegraphics[width=16.2cm,clip]{5613fig07.eps} \end{figure}$ Figure 7: The 4300-4500 Å region of normalized FEROS spectra of NSV 5783. The four strongest (double) lines shown in the two orders (51 and 50) are ${\rm H_{\gamma }}$ 4340 Å, HeI 4388 Å, HeI 4472 Å, and MgII 4481 Å. Spectrum s1 (see Table 9) is displayed at the bottom and s5 at the top; a horizontal shift of 0.3 has been added between the spectra.
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In the text

$\begin{figure} \par\includegraphics[width=7.9cm,clip]{5613fig08.ps} \end{figure}$ Figure 8: Radial velocities and adopted spectroscopic orbit for NSV 5783. Symbols are: ${\it primary}$ asterisk, ${\it secondary}$ plus, ${\it not}$ ${\it used}$ square.
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In the text

$\begin{figure} \par\includegraphics[width=15.4cm,clip]{5613fig01.ps} \end{figure}$	Figure 1: y light curve and b-y and u-b colour curves (instrumental system) for DW Car.
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$\begin{figure} \par\includegraphics[width=15.4cm,clip]{5613fig02.ps} \end{figure}$	Figure 2: y light curve and b-y and u-b colour curves (instrumental system) for BF Cen.
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$\begin{figure} \par\includegraphics[width=15.4cm,clip]{5613fig03.ps} \end{figure}$	Figure 3: y light curve and b-y and u-b colour curves (instrumental system) for AC Vel.
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$\begin{figure} \par\includegraphics[width=15.4cm,clip]{5613fig04.ps} \end{figure}$	Figure 4: y light curve and b-y and u-b colour curves (instrumental system) for NSV 5783.
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$\begin{figure} \par\includegraphics[width=7.5cm,clip]{5613fig05.ps} \end{figure}$	Figure 5: Residuals (O-C) of the b observations of NSV 5783 from the theoretical light curve computed for the photometric elements given in Table 7. The slightly systematic residuals near central secondary eclipse are due to deviating observations from one night; see Sect. 6.1 for details.
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$\begin{figure} \par\includegraphics[width=16.8cm,clip]{5613fig06.ps} . \end{figure}$	Figure 6: EBOP solutions for NSV 5783 for a range of adopted $k = r_{\rm s}/r_{\rm p}$ values. The upper left figure shows the rms of the fit to the observations normalized to the value for k = 0.95. Symbols are: y cross, b diamond, v triangle, u square.
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$\begin{figure} \par\includegraphics[width=16.2cm,clip]{5613fig07.eps} \end{figure}$	Figure 7: The 4300-4500 Å region of normalized FEROS spectra of NSV 5783. The four strongest (double) lines shown in the two orders (51 and 50) are ${\rm H_{\gamma }}$ 4340 Å, HeI 4388 Å, HeI 4472 Å, and MgII 4481 Å. Spectrum s1 (see Table 9) is displayed at the bottom and s5 at the top; a horizontal shift of 0.3 has been added between the spectra.
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$\begin{figure} \par\includegraphics[width=7.9cm,clip]{5613fig08.ps} \end{figure}$	Figure 8: Radial velocities and adopted spectroscopic orbit for NSV 5783. Symbols are: ${\it primary}$ asterisk, ${\it secondary}$ plus, ${\it not}$ ${\it used}$ square.
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