All Figures

$\begin{figure} \par\includegraphics[width=7.8cm,clip]{1415f1a.eps}\hspace*{1.3cm} \includegraphics[width=7.5cm,clip]{1415f1b.eps}\end{figure}$ Figure 1: The left panel shows a large-scale XMM/DSS overlay image. The (log-spaced) contours are from the adaptively-smoothed, non-background subtracted, EMOS1+EMOS2 [0.5-2.0] keV image. The right panel shows an XMM/HST overlay image with the same contours.
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In the text

$\begin{figure} \par\includegraphics[width=8.8cm,clip]{1415f2.eps}\end{figure}$ Figure 2: The combined EPIC 0.3-3.0 keV surface brightness profile of A2218. The profile is background subtracted and corrected for vignetting. The solid line is the best fitting $\beta$ -model. See Table 1 for model details.
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In the text

$\begin{figure} \par\includegraphics[width=8.8cm,clip]{1415f3.eps}\end{figure}$ Figure 3: The projected radial temperature profile of A2218. Error bars are upper ( lower) limits from fits with background normalisation at +10 (-10) per cent of nominal. The solid line is the best fitting polytropic model to the data. See text for details.
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In the text

$\begin{figure} \par\includegraphics[width=8.5cm,clip]{1415f4.ps}\end{figure}$ Figure 4: Adaptively-binned temperature map of A2218. The contours are the same as those in Fig. 1.
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In the text

$\begin{figure} \par\includegraphics[width=8.8cm,clip]{1415f5.eps}\end{figure}$ Figure 5: The total mass profile of A2218, calculated from the X-ray data assuming hydrostatic equilibrium and spherical symmetry. The dashed line is the isothermal $\beta$ -model mass, assuming a constant temperature of kT= 6.6 keV (Sect. 4.1).The solid line is the best fitting isothermal sphere model (King approximation) for the total mass profile; also shown (dot-dash line) is the best fitting NFW mass model to the entire profile (see Table 2 for details).
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In the text

$\begin{figure} \par\includegraphics[width=8.8cm,clip]{1415f6.eps}\end{figure}$ Figure 6: The entropy profile of A2218. The radius has been scaled to r₂₀₀ using the r₂₀₀-T relation of Arnaud et al. (2005). The entropy is scaled using the empirical scaling of Ponman et al. (2003, )math56# $S \propto h(z)^{-4/3} T^{0.65}$ #. The line following the points is the entropy profile obtained from the best-fitting analytical models to the deprojected, PSF-corrected gas density and temperature profiles. The straight line is the mean scaled entropy profile found by Pratt & Arnaud (2005).
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In the text

$\begin{figure} \par\includegraphics[width=8.8cm,clip]{1415f7.eps}\end{figure}$ Figure 7: The projected mass profile of A2218. Filled circles with error bars are the XMM data points. The dashed line is the isothermal $\beta$ -model mass, assuming a constant temperature of 6.6 keV. Various other symbols indicate different lensing mass estimates.
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In the text

$\begin{figure} \par\includegraphics[width=7.8cm,clip]{1415f1a.eps}\hspace*{1.3cm} \includegraphics[width=7.5cm,clip]{1415f1b.eps}\end{figure}$	Figure 1: The left panel shows a large-scale XMM/DSS overlay image. The (log-spaced) contours are from the adaptively-smoothed, non-background subtracted, EMOS1+EMOS2 [0.5-2.0] keV image. The right panel shows an XMM/HST overlay image with the same contours.
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$\begin{figure} \par\includegraphics[width=8.8cm,clip]{1415f2.eps}\end{figure}$	Figure 2: The combined EPIC 0.3-3.0 keV surface brightness profile of A2218. The profile is background subtracted and corrected for vignetting. The solid line is the best fitting $\beta$ -model. See Table 1 for model details.
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$\begin{figure} \par\includegraphics[width=8.8cm,clip]{1415f3.eps}\end{figure}$	Figure 3: The projected radial temperature profile of A2218. Error bars are upper ( lower) limits from fits with background normalisation at +10 (-10) per cent of nominal. The solid line is the best fitting polytropic model to the data. See text for details.
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$\begin{figure} \par\includegraphics[width=8.5cm,clip]{1415f4.ps}\end{figure}$	Figure 4: Adaptively-binned temperature map of A2218. The contours are the same as those in Fig. 1.
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$\begin{figure} \par\includegraphics[width=8.8cm,clip]{1415f7.eps}\end{figure}$	Figure 7: The projected mass profile of A2218. Filled circles with error bars are the XMM data points. The dashed line is the isothermal $\beta$ -model mass, assuming a constant temperature of 6.6 keV. Various other symbols indicate different lensing mass estimates.
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