CTA Bridging Proposal
CTA 过渡提案
基本信息
- 批准号:ST/N00146X/1
- 负责人:
- 金额:$ 5.69万
- 依托单位:
- 依托单位国家:英国
- 项目类别:Research Grant
- 财政年份:2015
- 资助国家:英国
- 起止时间:2015 至 无数据
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
The Universe is full of particles with energies so high that they are travelling at very close to the speed of light. They affect the Universe in many ways, influencing the life-cycles of stars and the evolution of galaxies. These particles are hard to trace, but can reveal their presence by producing gamma rays. Like their lower-energy cousins, X-rays, gamma rays do not penetrate the Earth's atmosphere and usually satellite-based telescopes are used to detect them. However, at very high energies (VHE) there are so few gamma rays that detecting them using spacecraft becomes impossible. Luckily, it is possible to observe them from the ground via the flashes of blue light, Cherenkov radiation, produced when they interact in the atmosphere. The glow from Cherenkov radiation in the atmosphere is 10,000 times fainter than starlight, so large mirrors are required to collect it, and because the flashes last only a few billionths of a second, ultra-fast cameras are needed to record them.We know from current ground-based gamma-ray telescopes such as HESS that there is a wealth of phenomena to be studied. VHE gamma ray telescopes have detected the remains of supernova explosions, binary star systems, highly energetic jets produced by black holes in distant galaxies, star formation regions, and many other objects. These observations can help us to understand not only what is going on inside these objects, but also answer fundamental physics questions relating to the nature of Dark Matter and of space-time itself. However, we have reached the limit of what can be done with current instruments, and so about 1000 scientists from 29 countries around the world have come together to build a new instrument - the Cherenkov Telescope Array (CTA).CTA will offer a dramatic increase in sensitivity over current instruments and extend the energy range of the gamma rays observed to both lower and higher values. It is predicted that the catalogue of known VHE emitting objects will expand from the 130 known now to over 1000, and we can expect many new discoveries in key areas of astrophysics and fundamental physics. To achieve the energy coverage of CTA, telescopes of three different sizes are needed: Small (~4 m diameter), Medium (12 m) and Large (23 m) Sized Telescopes (SSTs, MSTs and LSTs, respectively). CTA will have arrays in the northern and southern hemispheres. The northern array will consist of 4 LSTs and 25 MSTs. The southern array will add to its 4 LSTs and 25 MSTs an extensive array of 70 SSTs, to investigate the highest energy phenomena, visible mainly in the southern sky. We expect construction of the first telescopes on the CTA southern site to start in 2017.There are currently 12 UK universities and Laboratories involved in CTA. The UK groups are concentrating their efforts on the construction of the SSTs. We have produced an innovative dual-mirror SST design, the Gamma-ray Cherenkov Telescope (GCT), which is being prototyped in sight of the Eiffel Tower in Paris, and are building two prototype cameras, with different sensors, we will test on this device. Here we ask for finding to complete tests of these cameras, use the results to design the final camera for the GCT and to build, with international partners, three of these for installation on GCTs on the CTA southern site. We also want to work with UK industry to provide mirrors for the telescope that are better and cheaper than current designs, as well as improving aspects of the GCT structure. Finally, we want to develop data analysis techniques for CTA, to ensure that UK scientists are ready to analyse the data from CTA as soon as the first telescopes start operation.
宇宙中充满了能量极高的粒子,它们的运动速度非常接近光速。它们在很多方面影响着宇宙,影响着恒星的生命周期和星系的演化。这些粒子很难追踪,但可以通过产生伽马射线来揭示它们的存在。和低能射线x射线一样,伽马射线不能穿透地球大气层,通常用卫星望远镜来探测。然而,在极高能量(VHE)下,伽马射线非常少,用航天器探测它们是不可能的。幸运的是,在地面上可以通过它们在大气中相互作用时产生的蓝光(切伦科夫辐射)来观察它们。大气中切伦科夫辐射发出的光比星光微弱1万倍,所以需要大型镜子来收集它,而且由于闪光只持续几十亿分之一秒,所以需要超高速相机来记录它们。从目前的地面伽玛射线望远镜,如HESS,我们知道有大量的现象需要研究。VHE伽马射线望远镜已经探测到超新星爆炸的遗迹、双星系统、遥远星系中黑洞产生的高能射流、恒星形成区和许多其他物体。这些观测不仅可以帮助我们了解这些物体内部发生了什么,还可以回答与暗物质和时空本身的本质有关的基本物理问题。然而,我们已经达到了现有仪器的极限,因此来自全球29个国家的约1000名科学家聚集在一起建造了一种新仪器——切伦科夫望远镜阵列(CTA)。CTA将大大提高现有仪器的灵敏度,并将观测到的伽马射线的能量范围扩展到更低和更高的值。据预测,已知的VHE发射天体的目录将从目前已知的130个扩展到1000多个,我们可以期待在天体物理学和基础物理学的关键领域有许多新的发现。为了实现CTA的能量覆盖,需要三种不同尺寸的望远镜:小型(直径~4米)、中型(12米)和大型(23米)望远镜(分别为SSTs、MSTs和LSTs)。CTA将在北半球和南半球设置阵列。北阵将包括4个lst和25个mst。南部阵列将在其4个lst和25个mst的基础上增加一个由70个sst组成的广泛阵列,以研究主要在南部天空可见的最高能量现象。我们预计CTA南部地区的第一批望远镜将于2017年开始建造。目前有12所英国大学和实验室参与了CTA。英国各集团正把精力集中在建造sst上。我们已经生产了一种创新的双镜SST设计,伽马射线切伦科夫望远镜(GCT),它正在巴黎埃菲尔铁塔的视线内进行原型制作,我们正在建造两个原型相机,有不同的传感器,我们将在这个设备上进行测试。在这里,我们要求找到完成这些相机的测试,使用测试结果为GCT设计最终的相机,并与国际合作伙伴一起,在CTA南部站点的GCT上安装三个这样的相机。我们还希望与英国工业界合作,为望远镜提供比现有设计更好、更便宜的镜子,并改进GCT结构的各个方面。最后,我们希望为CTA开发数据分析技术,以确保英国科学家在第一批望远镜开始运行时就准备好分析CTA的数据。
项目成果
期刊论文数量(10)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
Prospects for Cherenkov Telescope Array Observations of the Young Supernova Remnant RX J1713.7−3946
切伦科夫望远镜阵列观测年轻超新星遗迹 RX J1713.7â3946 的前景
- DOI:10.3847/1538-4357/aa6d67
- 发表时间:2017
- 期刊:
- 影响因子:0
- 作者:Acero, F.;Aloisio, R.;Amans, J.;Amato, E.;Antonelli, L. A.;Aramo, C.;Armstrong, T.;Arqueros, F.;Asano, K.;Ashley, M.
- 通讯作者:Ashley, M.
Sensitivity of the Cherenkov Telescope Array for probing cosmology and fundamental physics with gamma-ray propagation
切伦科夫望远镜阵列通过伽马射线传播探测宇宙学和基础物理的灵敏度
- DOI:10.1088/1475-7516/2021/02/048
- 发表时间:2021
- 期刊:
- 影响因子:6.4
- 作者:Abdalla, H.;Abe, H.;Acero, F.;Acharyya, A.;Adam, R.;Agudo, I.;Aguirre-Santaella, A.;Alfaro, R.;Alfaro, J.;Alispach, C.
- 通讯作者:Alispach, C.
Operating performance of the gamma-ray Cherenkov telescope: An end-to-end Schwarzschild-Couder telescope prototype for the Cherenkov Telescope Array
伽马射线切伦科夫望远镜的运行性能:切伦科夫望远镜阵列的端到端史瓦西-库德望远镜原型
- DOI:10.1016/j.nima.2016.05.059
- 发表时间:2017
- 期刊:
- 影响因子:0
- 作者:Dournaux J
- 通讯作者:Dournaux J
Detection of the Crab Nebula with the 9.7?m prototype Schwarzschild-Couder telescope
使用 9.7 µm 原型史瓦西-库德望远镜探测蟹状星云
- DOI:10.1016/j.astropartphys.2021.102562
- 发表时间:2021
- 期刊:
- 影响因子:3.5
- 作者:Tagliaferri Gianpiero;Antonelli Angelo;Arnesen Tora;Aschersleben Jann;Attina' Primo;Balbo Matteo;Bang Sunghyun;Barcelo Miquel;Baryshev Andrey;Bellassai Giancarlo;et al.;Adams Colin B. et al.;H. Abe et al.;H. Abe et al.;H. Abe et al.;B. Mode et al.;H. Abe et al.;R. Lopez-Coto et al.;R. White et al.;Y. Ohtani et al.;Y. Kobayashi et al.;O. Blanch et al.;D. Ribeiro et al.;C. Alispach et al.;L. Foffano et al.;H. Abe et al.;A. Okumura;R. Zanin et al.;Colin B. Adams et al.;Colin B. Adams et al.;Adams Colin B. et al.;Adams C.B et al.
- 通讯作者:Adams C.B et al.
The first GCT camera for the cherenkov telescope array
用于切伦科夫望远镜阵列的第一台 GCT 相机
- DOI:
- 发表时间:2015
- 期刊:
- 影响因子:0
- 作者:De Franco A.
- 通讯作者:De Franco A.
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Jonathan Lapington其他文献
Jonathan Lapington的其他文献
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{{ truncateString('Jonathan Lapington', 18)}}的其他基金
LHCb Upgrade II: preconstruction for the ultimate LHC flavour physics experiment
LHCb 升级 II:终极 LHC 风味物理实验的预构建
- 批准号:
ST/X00645X/1 - 财政年份:2024
- 资助金额:
$ 5.69万 - 项目类别:
Research Grant
UK participation in the pre-production phase of CTA extension 2022
英国参与 2022 年 CTA 延期的预制作阶段
- 批准号:
ST/X001741/1 - 财政年份:2022
- 资助金额:
$ 5.69万 - 项目类别:
Research Grant
UK participation in the pre-production phase of CTA extension 2021
英国参与 2021 年 CTA 延期的预制作阶段
- 批准号:
ST/V006371/1 - 财政年份:2021
- 资助金额:
$ 5.69万 - 项目类别:
Research Grant
CTA Pre-production Phase Extension 2020
CTA 预生产阶段延长 2020 年
- 批准号:
ST/V000330/1 - 财政年份:2020
- 资助金额:
$ 5.69万 - 项目类别:
Research Grant
Upgrade of Vacuum UV Detector Calibration Facility
真空紫外检测器校准设施升级
- 批准号:
ST/S002375/1 - 财政年份:2018
- 资助金额:
$ 5.69万 - 项目类别:
Research Grant
UK Participation in the Pre-production Phase of the Cherenkov Telescope Array 2015-2017
英国参与切伦科夫望远镜阵列预生产阶段 2015-2017
- 批准号:
ST/M007588/1 - 财政年份:2015
- 资助金额:
$ 5.69万 - 项目类别:
Research Grant
Linear Geiger Mode Detector Technology for Time Resolved Spectral Measurements
用于时间分辨光谱测量的线性盖革模式检测器技术
- 批准号:
ST/N000129/1 - 财政年份:2015
- 资助金额:
$ 5.69万 - 项目类别:
Research Grant
Astroparticle physics equipment for CTA
用于 CTA 的天体粒子物理设备
- 批准号:
ST/M006956/1 - 财政年份:2014
- 资助金额:
$ 5.69万 - 项目类别:
Research Grant
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