Outcome of the IXPE instrument calibration

被引：5

作者：

Fabiani, Sergio ^{[1
]}

Muleri, Fabio ^{[1
]}

Di Marco, Alessandro ^{[1
]}

La Monaca, Fabio ^{[1
]}

Rankin, John ^{[1
]}

Soffitta, Paolo ^{[1
]}

Amici, Fabrizio ^{[1
]}

Attina, Primo ^{[2
]}

Baldini, Luca ^{[4
]}

Barbanera, Mattia ^{[4
]}

Brienza, Daniele ^{[1
]}

Castellano, Simone ^{[4
]}

Citraro, Saverio ^{[4
]}

Costa, Enrico ^{[1
]}

Del Monte, Ettore ^{[1
]}

Di Cosimo, Sergio ^{[1
]}

Di Persio, Giuseppe ^{[1
]}

Evangelista, Yuri ^{[1
]}

Ferrazzoli, Riccardo ^{[1
]}

Lefevre, Carlo ^{[1
]}

Lucchesi, Leonardo ^{[4
]}

Manfreda, Alberto ^{[4
]}

Minuti, Massimo ^{[4
]}

Morbidini, Alfredo ^{[1
]}

Nasimi, Hikmat ^{[4
]}

Nuti, Alessio ^{[4
]}

Orsini, Leonardo ^{[4
]}

Piazzolla, Raffaele ^{[1
]}

Pinchera, Michele ^{[4
]}

Ratheesh, Ajay ^{[1
]}

Rubini, Alda ^{[1
]}

Santoli, Francesco ^{[1
]}

Scalise, Emanuele ^{[1
]}

Sgro, Carmelo ^{[4
]}

Tobia, Antonino ^{[1
]}

Trois, Alessio ^{[3
]}

Xie, Fei ^{[1
]}

机构：

[1] INAF IAPS, Via Fosso del Cavaliere 100, I-00133 Rome, Italy

[2] INAF OATO, Str Osservatorio 20, I-10025 Pino Torinese, TO, Italy

[3] AINAF OAC, Via Sci 5, I-09047 Selargius, CA, Italy

[4] Ist Nazl Fis Nucl, Sez Pisa, Largo B Pontecorvo 3, I-56127 Pisa, Italy

来源：

SPACE TELESCOPES AND INSTRUMENTATION 2020: ULTRAVIOLET TO GAMMA RAY | 2021年 / 11444卷

关键词：

IXPE; X-ray polarimetry; calibration; Gas Pixel Detector; GPD; GAS PIXEL DETECTOR;

D O I：

10.1117/12.2566998

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

IXPE (Imaging X-ray Polarimetry Explorer) is the next NASA Small Explorer mission foreseen for the launch in 2021. It is a partnership with the Italian Space Agency (ASI). IXPE is devoted to X-ray polarimetry in the 2-8 keV energy band. The IXPE telescope comprises three grazing incidence mirror modules coupled to three Detector Units (DUs) hosting each one a Gas Pixel Detector (GPD) polarimeter. The GPD, developed by the INFN and INAF-IAPS Italian research institutes, exploits the photoelectric effect to measure the linear polarization of the X-ray emission from astrophysical sources. Its spectroscopic (energy resolution < 20% at 6 keV), timing and imaging capabilities allow IXPE to perform unprecedented polarimetric measurements with high significance. A wide and accurate on ground calibration was carried out on the IXPE detector units at INAF-IAPS in Rome. A dedicated facility was set-up to calibrate the DUs with polarized and unpolarized X-rays at different energies in the operating energy band. In this proceeding we introduce this calibration set-up called Instrument Calibration Equipment (ICE) and the relevant outcomes from the calibration activity that confirms the capability of IXPE to open the window of high significance polarimetry in X-rays.

引用

页数：9

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