Monitoring the stability of thin and medium back-up filters of the Newton-XMM EPIC camera

Marco Barbera, Giovanni Peres, Varisco, Artale, Collura, Serio, Sciortino, Barbera, Giovanni Peres, Villa, Salvatore Serio

Research output: Contribution to conferenceOtherpeer-review

8 Citations (Scopus)

Abstract

We are conducting a measurement program on back-up filters of the XMM-Newton EPIC camera aimed at monitoring possible aging effects during the mission lifetime. One thin and one medium EPIC back-up filters have been stored since 1997 in an environment similar to that one of the flight filters (dry nitrogen box before launch, high vacuum after launch). The transmission of the two filters has been measured periodically in the 1900-10000 Å wavelength range where effects of aging would be clearly evident. The preliminary results, after 5 years of monitoring, show that a slight aging effect has occurred on both filters which, however, has no significant impact onto the EPIC calibration for the correct analysis of the X-ray astrophysical observations.
Original languageEnglish
Pages264-269
Number of pages6
Publication statusPublished - 2002

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Computer Science Applications
  • Applied Mathematics
  • Electrical and Electronic Engineering

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