Astronomy & Astrophysics

$\begin{figure} \par\includegraphics[width=8cm,clip]{4128f2new.eps} %\end{figure}$ Figure 2: Fit of a synthetic spectrum (dashed line) to the observed Li 6708 Å profile (solid line) of X106.
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In the text

$\begin{figure} \par\includegraphics[angle=-90,width=8.8cm,clip]{4128f4.ps} \end{figure}$ Figure 4: Observed (dotted line) and synthetic spectra of X42. The synthetic spectra were obtained with a metallicity $\rm [Fe/H]=+0.3$ and Li abundances equal to 3.3 (dashed line) and 3.75 (solid line).
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In the text

$\begin{figure} \par\includegraphics[angle=-90,width=8.7cm,clip]{4128f5.ps} \end{figure}$ Figure 5: Normalized X-ray emission vs. $v \sin i$ (in km s^-1). Circles denote NGC 2451 A members while triangles denote NGC 2451 B members. Open symbols represent F-type stars, while filled symbols are G- or K-type stars.
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In the text

$\begin{figure} \par\includegraphics[angle=-90,width=8.8cm,clip]{4128f7.ps} \end{figure}$ Figure 7: Lithium abundances vs. effective temperature. Filled symbols represent NGC 2451 A (circles) or B (triangles) members, open symbols are stars of the $\alpha$ Per cluster.
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In the text

$\begin{figure} \par\includegraphics[angle=-90,width=7.8cm,clip]{4128f1a.ps}\vspa... ...pace*{3mm} \includegraphics[angle=-90,width=7.8cm,clip]{4128f1c.ps} \end{figure}$	Figure 1: Lithium 6708 Å line in the three NGC 2451 A stars (from top to bottom) X106, X114, X156A, illustrating the various shapes and strengths of the profiles.
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$\begin{figure} \par\includegraphics[width=8cm,clip]{4128f2new.eps} %\end{figure}$	Figure 2: Fit of a synthetic spectrum (dashed line) to the observed Li 6708 Å profile (solid line) of X106.
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$\begin{figure} \par\includegraphics[angle=-90,width=8.8cm,clip]{4128f3.ps} \end{figure}$	Figure 3: Comparison between Li abundances derived by curve-of-growth techniques and spectrum synthesis.
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$\begin{figure} \par\includegraphics[angle=-90,width=8.8cm,clip]{4128f4.ps} \end{figure}$	Figure 4: Observed (dotted line) and synthetic spectra of X42. The synthetic spectra were obtained with a metallicity $\rm [Fe/H]=+0.3$ and Li abundances equal to 3.3 (dashed line) and 3.75 (solid line).
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$\begin{figure} \par\includegraphics[angle=-90,width=8.7cm,clip]{4128f5.ps} \end{figure}$	Figure 5: Normalized X-ray emission vs. $v \sin i$ (in km s^-1). Circles denote NGC 2451 A members while triangles denote NGC 2451 B members. Open symbols represent F-type stars, while filled symbols are G- or K-type stars.
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$\begin{figure} \par\includegraphics[angle=-90,width=8.8cm,clip]{4128f6.ps} \end{figure}$	Figure 6: Rossby diagram of NGC 2451 A (filled circles) and B (triangles) and non-members (open circles).
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$\begin{figure} \par\includegraphics[angle=-90,width=8.8cm,clip]{4128f7.ps} \end{figure}$	Figure 7: Lithium abundances vs. effective temperature. Filled symbols represent NGC 2451 A (circles) or B (triangles) members, open symbols are stars of the $\alpha$ Per cluster.
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$\begin{figure} \par\includegraphics[angle=-90,width=8.6cm,clip]{4128f8a.ps}\vspace*{3mm} \includegraphics[angle=-90,width=8.6cm,clip]{4128f8b.ps} \par\end{figure}$	Figure 8: Li 6708 Å ( top) and K 7699 Å ( bottom) equivalent widths vs. de-reddened B-V colour. Symbols as in Fig. 6.
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