Vincenzo Ripepi INAF-Osservatorio Astronomico di Capodimonte, Naples, Italy Collaborators:
Lockman Hole (XMM PV) PN CCD (MPE Garching) MOS1 CCD (Leicester U) PN CCD (MPE Garching) MOS1 CCD (Leicester U) PV Observations 27.4-18.5 2000 190 ksec.
