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A systematic analysis of the XMM-Newton background: II. Properties of the in-Field-Of-View excess component

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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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Notes

  1. http://space-env.esa.int/index.php/news-reader/items/AREMBES.html

  2. http://www.extras-fp7.eu

  3. http://xmm-tools.cosmos.esa.int/external/xmm_calibration/background/filter_closed/mos/mos2/mos2_FF_2016_v1.shtml

  4. https://heasarc.gsfc.nasa.gov/xanadu/xspec/manual/XspecManual.html

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Acknowledgements

The AHEAD project (grant agreement n. 654215) which is part of theEU-H2020 programm is acknowledged for partial support. This work is part of the AREMBES WP1 activity funded by ESA through contract No. 4000116655/16/NL/BW. Results presented here are based, in part, upon work funded through the European Union Seventh Framework Programme (FP7-SPACE-2013-1), under grant agreement n. 607452, “Exploring the X-ray Transient and variable Sky - EXTraS”. We thank the anonymous referee for his/her very helpful comments to our manuscript.

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Authors and Affiliations

  1. INAF-Istituto di Astrofisica Spaziale e Fisica Cosmica, via E. Bassini 15, I-20133, Milano, Italy

    David Salvetti, Martino Marelli, Fabio Gastaldello, Simona Ghizzardi, Silvano Molendi, Andrea De Luca, Mariachiara Rossetti & Andrea Tiengo

  2. INAF-Osservatorio Astronomico di Brera, via Brera 28, I-20121, Milano, Italy

    Alberto Moretti

  3. Scuola Universitaria Superiore IUSS Pavia, piazza della Vittoria 15, I-27100, Pavia, Italy

    Andrea De Luca & Andrea Tiengo

  4. Istituto Nazionale di Fisica Nucleare, Sezione di Pavia, via A. Bassi 6, I-27100, Pavia, Italy

    Andrea De Luca & Andrea Tiengo

Authors
  1. David Salvetti
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  2. Martino Marelli
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  3. Fabio Gastaldello
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  4. Simona Ghizzardi
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  5. Silvano Molendi
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  6. Andrea De Luca
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  7. Alberto Moretti
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  8. Mariachiara Rossetti
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  9. Andrea Tiengo
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Correspondence to David Salvetti.

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Salvetti, D., Marelli, M., Gastaldello, F. et al. A systematic analysis of the XMM-Newton background: II. Properties of the in-Field-Of-View excess component. Exp Astron 44, 309–320 (2017). https://doi.org/10.1007/s10686-017-9539-0

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  • DOI: https://doi.org/10.1007/s10686-017-9539-0

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