Angular Resolution of a Photoelectric Polarimeter in the Focus of an Optical System
Francesco Lazzarotto, Sergio Fabiani, Enrico Costa, Fabio Muleri,, Paolo Soffitta, Sergio Di Cosimo, Giuseppe Di Persio, Alda Rubini, Ronaldo, Bellazzini, Alessandro Brez, Gloria Spandre, Vincenzo Cotroneo, Alberto, Moretti, Giovanni Pareschi, Giampiero Tagliaferri
TL;DR
This paper discusses how to compute the angular resolution of a space-borne X-Ray polarimeter that uses a Gas Pixel Detector to measure photon polarization angles, crucial for astrophysical observations.
Contribution
It presents a method for calculating the angular resolution of a Gas Pixel Detector-based X-Ray polarimeter in a space telescope setup.
Findings
Method for computing angular resolution demonstrated
Application to a space-borne X-Ray polarimeter case
Insights into instrument performance optimization
Abstract
The INFN and INAF Italian research institutes developed a space-borne X-Ray polarimetry experiment based on a X-Ray telescope, focussing the radiation on a Gas Pixel Detector (GPD). The instrument obtains the polarization angle of the absorbed photons from the direction of emission of the photoelectrons as visualized in the GPD. Here we will show how we compute the angular resolution of such an instrument.
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Taxonomy
TopicsParticle Detector Development and Performance · Calibration and Measurement Techniques · CCD and CMOS Imaging Sensors