Advanced Telescope for High Energy Astrophysics
The Wide Field Imager for the Athena X-ray Observatory


Response Matrices

[2021-Feb-18] Updated files were provided by M. Lorenz (ECAP), based on the mirror reference model v2.4.

Response files mirror model v2.4 with B4C over-coating, 2.3mm rib pitch. (Update to also work with XSPEC 12.11.1 and later)
Description of the response matrix generation.

For each setup, ARF and RSP files are provided for an option with external light blocking filter and without. The RMF is included as well.

Background Files

[2021-Mar-29] The following files were provided by Arne Rau (MPE). Note that the science requirements for particle background component is assumed here. Updates with appropriate satellite and instrument mass models will be provided in due time.

Background PHA files (sum of unresolved cosmic X-ray component and particle induced component) for point sources on axis as well as for extended sources. (Update to also work with XSPEC 12.11.1 and later)
WFI-MPE-ANA-0010_i7.1_Preparation-of-Background-Files.pdf Description of the background file generation.

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