INTEGRAL IBIS/ISGRI energy calibration in OSA 10

  title={INTEGRAL IBIS/ISGRI energy calibration in OSA 10},
  author={I. Caballero and J. Heras and F. Mattana and S. Soldi and P. Laurent and F. Lebrun and L. Natalucci and M. Fiocchi and C. Ferrigno and R. Rohlfs},
  journal={arXiv: Instrumentation and Methods for Astrophysics},
  • I. Caballero, J. Heras, +7 authors R. Rohlfs
  • Published 2013
  • Physics
  • arXiv: Instrumentation and Methods for Astrophysics
  • We present the new energy calibration of the ISGRI detector onboard INTEGRAL, that has been implemented in the Offline Scientific Analysis (OSA) version 10. With the previous OSA 9 version, a clear departure from stability of both W and 22Na background lines was observed after MJD 54307 (revolution ~583). To solve this problem, the energy correction in OSA 10 uses: 1) a new description for the gain depending on the time and the pulse rise time, 2) an improved temperature correction per module… CONTINUE READING
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