All Figures

$\begin{figure} \par\includegraphics[width=8.3cm,clip]{2075_f01.ps} \end{figure}$ Figure 1: Squared visibility measurements obtained on $\rm \delta ~ Eri$ . The solid line is a limb darkened disk model with $\rm \theta_{LD} = 2.394 \pm 0.014 \pm 0.025 ~ mas$ (statistical and systematic errors).
Open with DEXTER

In the text

$\begin{figure} \par\includegraphics[width=7.8cm,clip]{2075_f02.ps} \end{figure}$ Figure 2: Squared visibility measurements obtained on $\rm \xi ~Hya$ . The solid line is a limb darkened disk model with $\rm \theta_{LD} = 2.386 \pm 0.009 \pm 0.019 ~ mas$ (statistical and systematic errors).
Open with DEXTER

In the text

$\begin{figure} \par\includegraphics[width=7.8cm,clip]{2075_f03.ps} \end{figure}$ Figure 3: Squared visibility measurements obtained on $\rm \eta ~ Boo$ . The solid line is a limb darkened disk model with $\rm \theta_{LD} = 2.200 \pm 0.027 \pm 0.016 ~ mas$ (statistical and systematic errors).
Open with DEXTER

In the text

$\begin{figure} \par\includegraphics[width=7.8cm,clip]{2075_f04.ps} \end{figure}$ Figure 4: Observed deviation of the squared visibilities of $\rm \delta ~ Eri$ (B3-D1 baseline only) with respect to the visibility model of a $\rm \theta_{UD} = 2.394 ~ mas$ uniform disk model. The dashed line represents the average deviation over all observations (0.21%).
Open with DEXTER

In the text

$\begin{figure} \par\includegraphics[angle=-90, width=8.5cm,clip]{2075_f05.ps} \end{figure}$ Figure 5: Evolutionary tracks in the H-R diagram for $\delta$ Eri from label "A'' (0 Myr) to label "G'' (6000 Myr), shown by upper case letters and squares with time steps of 1000 Myr; from label "h'' (6100 Myr) to label "j'' (6300 Myr), shown by lower case letters and triangles with time steps of 100 Myr.
Open with DEXTER

In the text

$\begin{figure} \par\includegraphics[angle=-90, width=8.5cm,clip]{2075_f06.ps} \end{figure}$ Figure 6: Zoom of the evolutionary tracks in the H-R diagram for $\delta$ Eri from label "a'' (6140 Myr) to label "j'' (6230 Myr), shown by lower case letters and triangles with time steps of 10 Myr (except label "G'' at 6200 Myr shown by an upper case letter and a square). Our best model is close to label "f'' at 6194 Myr (see Table 1).
Open with DEXTER

In the text

$\begin{figure} \par\includegraphics[angle=-90, width=8.5cm,clip]{2075_f07.ps} \end{figure}$ Figure 7: Evolutionary tracks in the H-R diagram for $\xi$ Hya from label "A'' (0 Myr) to "F'' (500 Myr), shown by upper case letters and squares with time steps of 100 Myr; from label "g'' (502 Myr) to "p'' (511 Myr), show by lower case letters and triangles with time steps of 1 Myr.
Open with DEXTER

In the text

$\begin{figure} \par\includegraphics[angle=-90, width=8.5cm,clip]{2075_f08.ps} \end{figure}$ Figure 8: Zoom of the evolutionary tracks in the H-R diagram for $\xi$ Hya. from label "a'' (509.2 Myr) to "g'' (509.8 Myr), shown by lower case letters and triangles with time steps of 0.1 Myr. Our best model is close to label "d'' at 509.5 Myr (see Table 1).
Open with DEXTER

In the text

$\begin{figure} \par\includegraphics[angle=-90, width=8.5cm,clip]{2075_f09.ps} \end{figure}$ Figure 9: Evolutionary tracks in the H-R diagram for $\eta$ Boo (model without diffusion) from label "A'' (0 Myr) to "E'' (2000 Myr), shown by upper case letters and squares with time steps of 500 Myr; from label "f'' (2200 Myr) to "o'' (2650 Myr), shown by lower case letters and triangles with time steps of 50 Myr (except label "L'' at 2500 Myr shown by an upper case letter and a square).
Open with DEXTER

In the text

$\begin{figure} \par\includegraphics[angle=-90, width=8.5cm,clip]{2075_f10.ps} \end{figure}$ Figure 10: Zoom of the evolutionary tracks in the H-R diagram for $\eta$ Boo (model without diffusion) from label "a'' (2280 Myr) to "n'' (2410 Myr), shown by lower case letters and triangles with time steps of 10 Myr (except labels "C'' at 2300 Myr and label "M'' a 2400 Myr shown by an upper case letters and squares). Our best model is close to label "h'' at 2350 Myr (see Table 1).
Open with DEXTER

In the text

$\begin{figure} \par\includegraphics[angle=-90, width=8.3cm,clip]{2075_f11.ps} \end{figure}$ Figure 11: Evolutionary tracks in the H-R diagram for $\eta$ Boo (model with diffusion) from label "A'' (0 Myr) to label "F'' (2500 Myr), shown by upper case letters and squares with a time step of 500 Myr; label "g'' at 2700 Myr shown by a triangle; from label "h'' (2750 Myr) to label "k'' (2900 Myr), shown by lower case letters and triangles with a time step of 50 Myr.
Open with DEXTER

In the text

$\begin{figure} \par\includegraphics[angle=-90, width=8.5cm,clip]{2075_f12.ps} \end{figure}$ Figure 12: Zoom of the evolutionary tracks in the H-R diagram for $\eta$ Boo (model with diffusion) from label "a'' (2738 Myr) to label "g'' (2744 Myr), shown by lower case letters and triangles with time steps of 1 Myr (except label "C'' at 2740 Myr shown by a square); from label "H'' (2745 Myr) to label "K'' (2760 Myr), shown by upper case letters and squares with time steps of 5 Myr. Our best model is between label "a'' (at 2738 Myr) and label "b'' (at 2739 Myr) (see Table 1).
Open with DEXTER

In the text

$\begin{figure} \par\includegraphics[width=8.3cm,clip]{2075_f01.ps} \end{figure}$	Figure 1: Squared visibility measurements obtained on $\rm \delta ~ Eri$ . The solid line is a limb darkened disk model with $\rm \theta_{LD} = 2.394 \pm 0.014 \pm 0.025 ~ mas$ (statistical and systematic errors).
Open with DEXTER

$\begin{figure} \par\includegraphics[width=7.8cm,clip]{2075_f02.ps} \end{figure}$	Figure 2: Squared visibility measurements obtained on $\rm \xi ~Hya$ . The solid line is a limb darkened disk model with $\rm \theta_{LD} = 2.386 \pm 0.009 \pm 0.019 ~ mas$ (statistical and systematic errors).
Open with DEXTER

$\begin{figure} \par\includegraphics[width=7.8cm,clip]{2075_f03.ps} \end{figure}$	Figure 3: Squared visibility measurements obtained on $\rm \eta ~ Boo$ . The solid line is a limb darkened disk model with $\rm \theta_{LD} = 2.200 \pm 0.027 \pm 0.016 ~ mas$ (statistical and systematic errors).
Open with DEXTER

$\begin{figure} \par\includegraphics[width=7.8cm,clip]{2075_f04.ps} \end{figure}$	Figure 4: Observed deviation of the squared visibilities of $\rm \delta ~ Eri$ (B3-D1 baseline only) with respect to the visibility model of a $\rm \theta_{UD} = 2.394 ~ mas$ uniform disk model. The dashed line represents the average deviation over all observations (0.21%).
Open with DEXTER

$\begin{figure} \par\includegraphics[angle=-90, width=8.5cm,clip]{2075_f05.ps} \end{figure}$	Figure 5: Evolutionary tracks in the H-R diagram for $\delta$ Eri from label "A'' (0 Myr) to label "G'' (6000 Myr), shown by upper case letters and squares with time steps of 1000 Myr; from label "h'' (6100 Myr) to label "j'' (6300 Myr), shown by lower case letters and triangles with time steps of 100 Myr.
Open with DEXTER

$\begin{figure} \par\includegraphics[angle=-90, width=8.5cm,clip]{2075_f06.ps} \end{figure}$	Figure 6: Zoom of the evolutionary tracks in the H-R diagram for $\delta$ Eri from label "a'' (6140 Myr) to label "j'' (6230 Myr), shown by lower case letters and triangles with time steps of 10 Myr (except label "G'' at 6200 Myr shown by an upper case letter and a square). Our best model is close to label "f'' at 6194 Myr (see Table 1).
Open with DEXTER

$\begin{figure} \par\includegraphics[angle=-90, width=8.5cm,clip]{2075_f07.ps} \end{figure}$	Figure 7: Evolutionary tracks in the H-R diagram for $\xi$ Hya from label "A'' (0 Myr) to "F'' (500 Myr), shown by upper case letters and squares with time steps of 100 Myr; from label "g'' (502 Myr) to "p'' (511 Myr), show by lower case letters and triangles with time steps of 1 Myr.
Open with DEXTER

$\begin{figure} \par\includegraphics[angle=-90, width=8.5cm,clip]{2075_f08.ps} \end{figure}$	Figure 8: Zoom of the evolutionary tracks in the H-R diagram for $\xi$ Hya. from label "a'' (509.2 Myr) to "g'' (509.8 Myr), shown by lower case letters and triangles with time steps of 0.1 Myr. Our best model is close to label "d'' at 509.5 Myr (see Table 1).
Open with DEXTER

$\begin{figure} \par\includegraphics[angle=-90, width=8.5cm,clip]{2075_f09.ps} \end{figure}$	Figure 9: Evolutionary tracks in the H-R diagram for $\eta$ Boo (model without diffusion) from label "A'' (0 Myr) to "E'' (2000 Myr), shown by upper case letters and squares with time steps of 500 Myr; from label "f'' (2200 Myr) to "o'' (2650 Myr), shown by lower case letters and triangles with time steps of 50 Myr (except label "L'' at 2500 Myr shown by an upper case letter and a square).
Open with DEXTER

$\begin{figure} \par\includegraphics[angle=-90, width=8.5cm,clip]{2075_f10.ps} \end{figure}$	Figure 10: Zoom of the evolutionary tracks in the H-R diagram for $\eta$ Boo (model without diffusion) from label "a'' (2280 Myr) to "n'' (2410 Myr), shown by lower case letters and triangles with time steps of 10 Myr (except labels "C'' at 2300 Myr and label "M'' a 2400 Myr shown by an upper case letters and squares). Our best model is close to label "h'' at 2350 Myr (see Table 1).
Open with DEXTER

$\begin{figure} \par\includegraphics[angle=-90, width=8.3cm,clip]{2075_f11.ps} \end{figure}$	Figure 11: Evolutionary tracks in the H-R diagram for $\eta$ Boo (model with diffusion) from label "A'' (0 Myr) to label "F'' (2500 Myr), shown by upper case letters and squares with a time step of 500 Myr; label "g'' at 2700 Myr shown by a triangle; from label "h'' (2750 Myr) to label "k'' (2900 Myr), shown by lower case letters and triangles with a time step of 50 Myr.
Open with DEXTER