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Proceedings Paper

Microcalorimeter pulse analysis by means of principle component decomposition
Author(s): C. P. de Vries; R. M. Schouten; J. van der Kuur; L. Gottardi; H. Akamatsu
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Paper Abstract

The X-ray integral field unit for the Athena mission consists of a microcalorimeter transition edge sensor pixel array. Incoming photons generate pulses which are analyzed in terms of energy, in order to assemble the X-ray spectrum. Usually this is done by means of optimal filtering in either time or frequency domain. In this paper we investigate an alternative method by means of principle component analysis. This method attempts to find the main components of an orthogonal set of functions to describe the data. We show, based on simulations, what the influence of various instrumental effects is on this type of analysis. We compare analyses both in time and frequency domain. Finally we apply these analyses on real data, obtained via frequency domain multiplexing readout.

Paper Details

Date Published: 18 July 2016
PDF: 10 pages
Proc. SPIE 9905, Space Telescopes and Instrumentation 2016: Ultraviolet to Gamma Ray, 99055V (18 July 2016); doi: 10.1117/12.2231627
Show Author Affiliations
C. P. de Vries, SRON Netherlands Institute for Space Research (Netherlands)
R. M. Schouten, SRON Netherlands Institute for Space Research (Netherlands)
J. van der Kuur, SRON Netherlands Institute for Space Research (Netherlands)
L. Gottardi, SRON Netherlands Institute for Space Research (Netherlands)
H. Akamatsu, SRON Netherlands Institute for Space Research (Netherlands)


Published in SPIE Proceedings Vol. 9905:
Space Telescopes and Instrumentation 2016: Ultraviolet to Gamma Ray
Jan-Willem A. den Herder; Tadayuki Takahashi; Marshall Bautz, Editor(s)

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