A systematic analysis of the <Emphasis Type="Italic">XMM-Newton</Emphasis> background: II. Properties of the in-Field-Of-View excess component |
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Authors: | David Salvetti Martino Marelli Fabio Gastaldello Simona Ghizzardi Silvano Molendi Andrea De Luca Alberto Moretti Mariachiara Rossetti Andrea Tiengo |
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Institution: | 1.INAF-Istituto di Astrofisica Spaziale e Fisica Cosmica,Milano,Italy;2.INAF-Osservatorio Astronomico di Brera,Milano,Italy;3.Scuola Universitaria Superiore IUSS Pavia,Pavia,Italy;4.Istituto Nazionale di Fisica Nucleare,Pavia,Italy |
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Abstract: | We present an accurate characterization of the particle background behaviour on XMM-Newton based on the entire EPIC archive. This corresponds to the largest EPIC data set ever examined. Our results have been obtained thanks to the collaboration between the FP7 European program EXTraS and the ESA R&D ATHENA activity AREMBES. We used as a diagnostic an improved version of the diagnostic which compares the data collected in unexposed region of the detector with the region of the field of view in the EPIC-MOS. We will show that the in Field-of-View excess background is made up of two different components, one associated to flares produced by soft protons and the other one to a low-intensity background. Its origin needs to be further investigated. |
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