**Table 3:** *BeppoSAX* and *XMM-Newton* observation log.
	Date	Exposure time ^a (ks)			Count rate ^b (10^-3 ct s^-1)
SAX	2001 Dec. 14-18	LECS	MECS	PDS	LECS	MECS	PDS
		42.92	131.83	58.11	2.23	3.76	<18.0
XMM	2002 June 27-28	MOS1/2	PN		MOS1/2	PN
		57.1	48.3		$\sim 0.013$	0.04

^a On-source net exposure time. The LECS exposure time is considerably shorter than that of the MECS, because the LECS could operate only when the spacecraft was not illuminated by the Sun.

^b Background-subtracted source count rates, with photon counting statistics errors. For the PDS the $90\%$ upper limit is given.

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