All Figures

$\begin{figure} \par\includegraphics[width=7cm,clip]{Ge071_f1.ps}\end{figure}$ Figure 1: Top panels: 2D cuts through the rz plane of the jet temperature at three different evolutionary stages. Bottom panels: the corresponding X-ray emission integrated along the line-of-sight and on macro-pixels with $\sim$ 10 AU of size (6 times better that the ACIS-I spatial resolution), as predicted to be observed with ACIS-I. The contour plot marks the region occupied by the jet and by the cocoon. The X-ray source is localized in a blob behind the bow shock, moving with measurable proper motion; its linear size is $\sim$ 30 AU.
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In the text

$\begin{figure} \par\includegraphics[width=6.8cm,clip]{Ge071_f2.ps}\end{figure}$ Figure 2: Shock front position vs. time. The least-square fit (dashed line) gives an average velocity of the shock front of $v_{\rm sh} \sim 500$ km s^-1.
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In the text

$\begin{figure} \par\includegraphics[width=6.5cm,clip]{Ge071_f3.ps}\end{figure}$ Figure 3: Spectra in the [0.3, 3.0] keV band synthesized with the MEKAL code from the original EM(T) distributions of the whole spatial domain, 25 years since the beginning of the jet/ambient medium interaction. The top panel shows the unabsorbed parent spectrum; the middle and the bottom panels show the EPIC-pn spectra derived for two different statistics: 10² and 10⁴ total counts respectively. For the EPIC-pn spectra each panel shows the simulated data (crosses) together with the best-fit isothermal spectrum (solid histograms) and the contribution of each bin to the total $\chi$ . The corresponding best-fit parameters are in Table 1.
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In the text

$\begin{figure} \par\includegraphics[width=7.2cm,clip]{Ge071_f4.ps}\end{figure}$ Figure 4: Evolution of the X-ray luminosity vs. time. The value of the X-ray luminosity derived from Raga et al. (2002) is superimposed (dashed line).
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In the text

$\begin{figure} \par\includegraphics[width=6.8cm,clip]{Ge071_f2.ps}\end{figure}$	Figure 2: Shock front position vs. time. The least-square fit (dashed line) gives an average velocity of the shock front of $v_{\rm sh} \sim 500$ km s^-1.
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$\begin{figure} \par\includegraphics[width=7.2cm,clip]{Ge071_f4.ps}\end{figure}$	Figure 4: Evolution of the X-ray luminosity vs. time. The value of the X-ray luminosity derived from Raga et al. (2002) is superimposed (dashed line).
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