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Parkes observations for project P892 semester 2018APRS_BPSR_20

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Research Data Australia2024-12-14 收录
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https://researchdata.edu.au/parkes-observations-project-semester-2018aprsbpsr20/1331861
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SUPERBx looks at the highest Galactic latitudes in a search for pulsars and fast radio bursts (FRBs). We use optimised GPU codes and supercomputing to search for these, making discoveries in real time. Handling our data as it comes in is essential for the SKA Phase I era so this work applies directly to the high-data rates of next generation telescopes. Our pulsar discoveries are typically nearby scintillating sources, intermittent sources and those in interesting binary systems. Our FRB discoveries have discovery lags of ~1 second, rather than months/years and these feed rapid alerts to the world-wide follow-up community via a dedicated VOEvent format an Astronomer's Telegrams. The goal of this is to allow localisation of the discovered FRBs. This is key for identifying FRB host galaxies, so as to solve the mystery of their progenitors and to exploit their many uses as tools for precision cosmology measurements.

SUPERBx 项目聚焦最高银纬天区,开展脉冲星(pulsar)与快速射电暴(Fast Radio Bursts, FRBs)的搜寻工作。本项目采用优化后的图形处理器(Graphics Processing Unit, GPU)代码与超级计算机开展探测,可实现实时成果发现。在平方公里阵列射电望远镜(Square Kilometre Array, SKA)第一阶段的观测范式中,实时处理流式数据是核心要求,因此本项目的工作可直接适配下一代望远镜的高数据速率场景。 本项目发现的脉冲星多为邻近的闪烁源、间歇源,以及处于特殊双星系统中的天体。 本项目发现快速射电暴的探测延迟仅约1秒,而非数月乃至数年;同时可通过专用VOEvent格式与《天文电报(Astronomer's Telegrams)》向全球后续观测社群快速发布预警信息。 本项目的核心目标是实现已探测快速射电暴的精准定位,这一环节是确认快速射电暴宿主星系的关键,进而破解其起源天体之谜,并挖掘其作为精密宇宙学测量工具的多重应用价值。
提供机构:
Commonwealth Scientific and Industrial Research Organisation
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