Hard X-ray characterization of the NeXT hard X-ray telescopes at SPring-8

被引：5

作者：

Miyazawa, Takuya ^{[1
]}

Ogasaka, Yasushi ^{[1
]}

Iwahara, Tomonaga ^{[1
]}

Kanou, Yasufumi ^{[1
]}

Sasaki, Naoki ^{[1
]}

Makinae, Youta ^{[1
]}

Sasaya, Shiori ^{[1
]}

Inukai, Yuuki ^{[1
]}

Furuzawa, Akihiro ^{[1
]}

Haba, Yoshito ^{[1
]}

Kunieda, Hideyo ^{[1
]}

Yamashita, Koujun ^{[1
]}

Uesugi, Kentaro ^{[2
]}

Suzuki, Yoshio ^{[2
]}

Tamura, Keisuke ^{[3
]}

Maeda, Yoshitomo ^{[3
]}

Ishida, Manabu ^{[3
]}

Okajima, Takashi ^{[4
]}

机构：

[1] Nagoya Univ, Dept Phys, Chikusa Ku, Furo Cho, Nagoya, Aichi 4648602, Japan

[2] SPring 8, Japan Synchrotron Radiat Res Inst, Sayo, Hyogo 6795198, Japan

[3] Japan Aerosp Explorat Agcy, Inst Space & Astronaut Sci, Sagamihara, Kanagawa 2298510, Japan

[4] NASA, Goddard Space Flight Ctr, Astrophys Sci Div, Greenbelt, MD 20771 USA

来源：

SPACE TELESCOPES AND INSTRUMENTATION 2008: ULTRAVIOLET TO GAMMA RAY, PTS 1 AND 2 | 2008年 / 7011卷

关键词：

hard X-ray telescope; calibration; synchrotron facility; NeXT;

D O I：

10.1117/12.788606

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We present a plan for calibration of the NeXT hard X-ray telescopes (HXTs) at the synchrotron radiation facility, SPring-8. In hard X-rays, it is difficult for a laboratory-based beamline using a conventional X-ray source to provide sufficient capabilities for pre-flight high-precision calibration. Therefore, we plan to characterize the NeXT HXT at the SPring-8 beamline BL20B2. SPring-8 is one of the world's third-generation synchrotron radiation facilities. Measurements at BL20B2 have great advantages over those done with conventional sources, such as an extremely high flux, a larger beam with less divergence, and a selectable, narrow bandwidth covering the hard X-ray region from 8 to over 100 keV. The 16m-long experimental hutch has sufficient capability for characterization of the NeXT HXT (FL=12m). In the past, we have measured the Point Spread Function (PSF) and effective area of telescopes for balloon-borne hard X-ray imaging experiments (e.g. InFOCuS, SUMIT) at several energies from 20 to 60 keV. Furthermore, we have successfully established a tuning procedure to improve their image quality. We plan to measure the X-ray characteristics (PSF, effective area, stray light, and so on) of the NeXT HXT to build up the HXT response function.

引用

页数：8

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