High-fidelity time-resolved 3D imaging of radio emission from cosmic-ray air showers with LOFAR and the SKA

使用 LOFAR 和 SKA 对宇宙射线气簇射电发射进行高保真时间分辨 3D 成像

• 批准号: 531213488
• 负责人: Privatdozent Dr. Torsten Enßlin
• 金额: --
• 依托单位: Max-Planck-Institut für Astrophysik (MPA)
• 依托单位国家: 德国
• 项目类别: Research Grants
• 资助国家: 德国
• 项目状态: 未结题
• 来源: https://gepris.dfg.de/gepris/projekt/531213488?language=en
• 关键词: fidelity; time; resolved; 3D; imaging

Extensive air showers triggered by cosmic particles produce radio emission, which is detected with radio telescopes. We propose to develop 4D imaging techniques for this radio emission that are expected to deliver more accurate information on individual showers than obtainable with classical analysis methods. We will leverage recent developments in signal reconstruction based on information field theory (IFT) to develop and apply high-resolution 4D (3D+time) imaging methods. These techniques will be tested and benchmarked on data from the LOFAR radio telescope, which is currently one of the leading instruments in air shower physics and the only one suitable for 4D imaging of air showers. In the near future, the Square Kilometre Array (SKA) will dramatically improve over LOFAR, so we will also ensure that our techniques can meet the data challenge posed by the abundance of data from SKA. SKA will be the ultimate instrument, promising to resolve unprecedented details of the shower development, and thereby advancing cosmic ray studies.

由宇宙粒子引发的大面积空气簇射会产生射电发射，可以用射电望远镜探测到。我们建议开发针对这种无线电发射的 4D 成像技术，该技术有望提供比传统分析方法更准确的单个流星雨信息。我们将利用基于信息场理论（IFT）的信号重建的最新进展来开发和应用高分辨率4D（3D+时间）成像方法。这些技术将根据 LOFAR 射电望远镜的数据进行测试和基准测试，LOFAR 射电望远镜是目前空气簇射物理领域领先的仪器之一，也是唯一适合空气簇射 4D 成像的仪器。在不久的将来，平方公里阵列（SKA）将比 LOFAR 显着改进，因此我们也将确保我们的技术能够应对 SKA 大量数据带来的数据挑战。 SKA 将成为终极仪器，有望解决流星雨发展过程中前所未有的细节问题，从而推进宇宙射线研究。