Detection of the Crab Nebula by the prototype Schwarzschild-Couder Telescope

被引：0
|
作者：
Mode, B. A. W. [1 ,2 ]
机构：
[1] Univ Wisconsin Madison, Dept Phys, 222 W Washington Ave, Madison, WI 53706 USA
[2] Univ Wisconsin Madison, Wisconsin IceCube Particle Astrophys Ctr, 222 W Washington Ave, Madison, WI 53706 USA
来源：
37TH INTERNATIONAL COSMIC RAY CONFERENCE, ICRC2021 | 2022年
基金：
欧盟地平线“2020”; 瑞士国家科学基金会; 新加坡国家研究基金会; 巴西圣保罗研究基金会; 美国国家科学基金会; 芬兰科学院; 澳大利亚研究理事会; 加拿大自然科学与工程研究理事会; 瑞典研究理事会; 英国科学技术设施理事会;
关键词：
TEV GAMMA-RAYS;
D O I：
暂无
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
The Schwarzschild-Couder Telescope (SCT) is a medium-sized telescope technology proposed for the Cherenkov Telescope Array. It uses a novel dual-mirror optical design that removes comatic aberrations across its entire field of view. The SCT camera employs high-resolution silicon photomultiplier (SiPM) sensors with a pixel size of 4 arcminutes. A prototype SCT (pSCT) has been constructed at the Fred Lawrence Whipple Observatory in Arizona, USA. An observing campaign in 2020, with a partial camera of 1600 pixels (2.7 degrees by 2.7 degrees field of view) resulted in detection of the Crab Nebula at 8.6 sigma statistical significance. Work on the pSCT camera and optical system is ongoing to improve performance and prepare for an upcoming camera upgrade. The pSCT camera upgrade will replace the current camera modules with improved SiPMs and readout electronics and will expand the camera to its full design field of view of 8 degrees in diameter (11,328 pixels). The fully upgraded pSCT will enable next-generation very-high-energy gamma-ray astrophysics through excellent background rejection and angular resolution. In this presentation we describe first results from the successful operation of the pSCT and future plans.
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页数：9
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