18 July 2016 Performance of the Gas Pixel Detector: an x-ray imaging polarimeter for upcoming missions of astrophysics
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Abstract
X-ray polarimetry is a hot topic and, as a matter of fact, a number of missions dedicated to the measurement of the polarization in the ∼2-8 keV energy range with photoelectric devices are under advanced study by space agencies. The Gas Pixel Detector (GPD), developed and continuously improved in Italy by Pisa INFN in collaboration with INAF-IAPS, is the only instrument able to perform imaging polarimetry; moreover, it can measure photon energy and time of arrival. In this paper, we report on the performance of a GPD prototype assembled with flight-like materials and procedures. The remarkably uniform operation over a long period of time assures a straightforward operation in orbit and support the high readiness level claimed for this instrument.
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Fabio Muleri, Fabio Muleri, Paolo Soffitta, Paolo Soffitta, Luca Baldini, Luca Baldini, Ronaldo Bellazzini, Ronaldo Bellazzini, Alessandro Brez, Alessandro Brez, Enrico Costa, Enrico Costa, Niccolò Di Lalla, Niccolò Di Lalla, Ettore Del Monte, Ettore Del Monte, Yuri Evangelista, Yuri Evangelista, Luca Latronico, Luca Latronico, Alberto Manfreda, Alberto Manfreda, Massimo Minuti, Massimo Minuti, Melissa Pesce-Rollins, Melissa Pesce-Rollins, Michele Pinchera, Michele Pinchera, Alda Rubini, Alda Rubini, Carmelo Sgrò, Carmelo Sgrò, Francesca Spada, Francesca Spada, Gloria Spandre, Gloria Spandre, } "Performance of the Gas Pixel Detector: an x-ray imaging polarimeter for upcoming missions of astrophysics", Proc. SPIE 9905, Space Telescopes and Instrumentation 2016: Ultraviolet to Gamma Ray, 99054G (18 July 2016); doi: 10.1117/12.2233206; https://doi.org/10.1117/12.2233206
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