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Table 1

Summary of the analysed observations.

OBSID Beginning in UT End in UT

BeppoSax

2083600200 03/20/2000 17:03:58 03/21/2000 14:21:58
2122400300 08/26/2000 02:59:56 08/27/2000 04:24:45
2122400400 09/25/2000 06:31:21 09/25/2000 16:04:16
2122400410 09/27/2000 12:41:39 09/27/2000 23:39:30

XMM-Newton

0090230201 09/03/2001 03:02:28 09/03/2001 09:05:18

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