**Table 5:** Ascending and descending slope values for the emission measure distributions. The fitting has been performed over the $\log T$ intervals [6.5,6.8] and [6.9,7.2].
	em $\left(T\right)$ Obs. 2000	em $\left(T\right)$ Obs. 2001
$\beta$	$5.7\pm1.3$	$6.1\pm0.9$
$\alpha$	$5.7\pm1.4$	$5.6\pm1.1$

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