An X-ray Polarimeter for HXMT mission

被引：1

作者：

Costa, Enrico ^{[1
]}

Bellazzini, Ronaldo ^{[3
]}

Tagliaferri, Gianpiero ^{[4
]}

Baldini, Luca ^{[3
]}

Basso, Stefano ^{[4
]}

Bregeon, Johan

Brez, Alessandro ^{[3
]}

Citterio, Oberto ^{[4
]}

Cotroneo, Vincenzo ^{[4
]}

Frontera, Filippo ^{[6
,7
]}

Frutti, Massimo ^{[1
,3
]}

Matt, Giorgio ^{[5
]}

Minuti, Massimo

Muleri, Fabio ^{[1
,2
]}

Paresehi, Giovanni ^{[4
]}

Perola, Giuseppe Cesare ^{[5
]}

Rubini, Alda ^{[1
]}

Sgro, Carmelo ^{[3
]}

Soffitta, Paolo ^{[1
]}

Spandre, Gloria ^{[3
]}

机构：

[1] Inst Astrofis Spaziale & Fis Cosm, Via Fosso Del Cavaliere 100, I-00133 Rome, Italy

[2] Univ Roma Tor Vergata, Dipartimento Fis, I-00133 Rome, Italy

[3] Ist Nazl Fis Nucl, I-56127 Pisa, Italy

[4] Osserv Astron Brera, I-23807 Merate, LC, Italy

[5] Univ Rome Tre, Dipartimento Fis, I-00146 Rome, Italy

[6] Univ Ferrara, Dipartimento Fis, I-44100 Ferrara, Italy

[7] Ist Astrofis Spaziale & Fis Cosm, I-40129 Bologna, BO, Italy

来源：

UV, X-RAY, AND GAMMA-RAY SPACE INSTRUMENTATION FOR ASTRONOMY XV | 2007年 / 6686卷

关键词：

X-ray astronomy; X-ray optics; polarimetry;

D O I：

10.1117/12.734536

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

The development. of micropixel gas detectors, capable to image tracks produced in a gas by photoelectrons; makes possible to perform polarimetry of X-ray celestial sources in the focus of grazing incidence X-ray telescopes. HXMT is a mission by the Chinese Space Agency aimed to survey the Hard X-ray Sky with Phoswich detectors, by exploitation of the direct demodulation technique. Since a fraction of the HXMT time will be spent on dedicated pointing of particular sources, it could host, with moderate additional resources a pair of X-ray telescopes; each with a photoelectric X-ray polarimeter in the focal plane. We present. the design of the telescopes and the focal plane instrumentation and discuss the performance of this instrument to detect the degree and angle of linear polarization of some representative sources. Notwithstanding the limited resources the proposed instrument can represent; a breakthrough in X-ray Polarimetry.

引用

页数：10

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