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The HST processing and distribution system will be down from late Tuesday night (Oct. 25) until sometime Wednesday afternoon (Oct. 26) for software updates. Alternative sources are available for public data.

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..