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As of April 13, 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.

Getting Started

The XMM optical/UV data was provided to MAST starting in 2006. Updates are obtained weekly? from the Guest Observer Facility at HEASARC. The data are accessible using the XMM Search Form. The search results page also has links to the XMM preview pages which allow individual images to be displayed as gif images or using Aladin..