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As of April 13, 2015 the archive is now using the STScI Single Sign-On (SSO) identity manager. To check on your account click here. For more information about how accounts were transitioned click here.

XMM-OM Related Sites

The XMM Optical data is being made available as part of a cooperative effort with HEASARC.

  • The XMM-Newton Science Operations Centre (ESA)

  • The XMM-Newton Guest Observer Facility at NASA/GSFC

  • Other related links