All Figures

$\begin{figure}\setlength{\unitlength}{1cm} \begin{picture} (12,10) \put(3,-3){\special{psfile=3074fig1.ps hscale=50 vscale=50 angle=0}} \end{picture}\end{figure}$ Figure 1: The median, continuum normalised spectrum of Sk 160. The horizontal bars indicate the regions of the spectrum containing He I absorption lines used for cross-correlation and determination of radial velocities.
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In the text

$\begin{figure}\setlength{\unitlength}{1cm} \begin{picture} (12,10) \put(-0.5,-5... ...ecial{psfile=3074fig2.ps hscale=80 vscale=80 angle=0}} \end{picture}\end{figure}$ Figure 2: The uncorrected He I absorption line RV curve for Sk 160. Our data are shown as open circles and those of Reynolds et al. (1993) are shown as filled circles. The best fit to the combined data set is indicated by the solid line.
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In the text

$\begin{figure}\setlength{\unitlength}{1cm} \begin{picture} (12,10) \put(-0.5,-5... ...ecial{psfile=3074fig3.ps hscale=80 vscale=80 angle=0}} \end{picture}\end{figure}$ Figure 3: The heating-corrected He I absorption line RV curve of Sk 160. Our data are shown as open circles and those of Reynolds et al. (1993) are shown as filled circles. The best fit to the combined data set is indicated by the solid line.
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In the text

$\begin{figure}\setlength{\unitlength}{1cm} \begin{picture} (12,10) \put(-0.5,-5... ...ecial{psfile=3074fig4.ps hscale=80 vscale=80 angle=0}} \end{picture}\end{figure}$ Figure 4: The RV curve of the He II 4686 Å emission line. The solid line indicates a sinusoid with a systemic velocity of 167 km s^-1, an amplitude of 256 km s^-1 and a phase shift of 0.46 with respect to the Wojdowski et al. (1998) ephemeris.
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In the text