Paper:	XMM-Newton Science Archive (XSA)
Volume:	521, Astronomical Data Analysis Software and Systems XXVI
Page:	104
Authors:	Sarmiento, M. H.; Arévalo, M.; Arviset, C.; Baines, D.; Colomo, E.; Loiseau, N.; Merín, B.; Salgado, J.
Abstract:	Since the April 2002 first version of the XMM-Newton Science Archive (XSA), the ESA Science Data Centre Team (ESDC) has improved and updated this valuable service to the X-Ray Astronomical Community. Based on the ABSI (Archive Building System Infrastructure), the XSA has a common architecture with the rest of the archives developed by ESA for astronomical missions. That produces a similar look and feel and it gets the benefit of upgrades to other archives. In 2013, a full redesign was implemented to produce a pure Web based interface using state of the art technologies: a modern User Interface using GWT (Google Web Toolkit), complex geometrical query support by using data base geometrical indexing (pgsphere) and updates to the Virtual Observatory services. Recently, a new IVOA TAP complaint service (Tabular Access Protocol) interface has been made available to access the metadata of the XMM Epic Source catalogue, OM source catalogue and Slew catalogue in a very powerful interface, allowing data mining tasks. Also, and in line with the development of the ESA Sky application, new HiPS (Hierarchical Progressive Survey) data has been generated for EPIC and OM cameras to expose XMM-Newton data in an exploration interface.

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