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Parkes observations for project P858 semester 2014OCTS60

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Research Data Australia2024-12-14 收录
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https://researchdata.edu.au/parkes-observations-project-semester-2014octs60/654865
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SUPERB is a large-scale survey for pulsars and extragalactic radio bursts. It will uses optimised GPU codes to search for pulsars and fast radio bursts (FRBs), 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. The pulsars discovered will enable studies of the interstellar medium, allow us to more accurately constrain the MSP luminosity function (which informs estimates of the SKA yield of MSPs), tests of theories of gravity and several will contribute to the precision timing projects of the PPTA. The FRBs discovered will have much more associated information than all previous detections. Firstly the discovery lag will be ~1 second, rather than months/years. The Parkes observations will be shadowed by the Molonglo telescope to allow, for the first time, localisation of FRBs, and a host of optical and high-energy telescopes will then be triggered as appropriate. This is key for identifying FRB host galaxies, so as to solve the mystery of their progenitors. The survey will discover ~20 MSPs, ~100 slower pulsars and ~10 FRBs.

SUPERB是一项针对脉冲星与河外射电暴的大规模巡天项目。该项目将采用优化的GPU代码搜索脉冲星及快速射电暴(FRBs),实现实时发现。在平方公里阵列望远镜(SKA)第一阶段时代,实时处理传入数据至关重要,因此本工作可直接适配下一代望远镜的高数据率需求。发现的脉冲星将助力星际介质研究,更精准地约束毫秒脉冲星(MSP)光度函数(该函数为SKA的MSP产出量估算提供依据),验证引力理论,其中部分脉冲星还将为脉冲星计时阵列合作项目(PPTA)的精密计时任务贡献力量。发现的FRBs将拥有比以往所有探测结果更丰富的关联信息:首先,发现滞后时间将缩短至约1秒,而非数月或数年;帕克斯望远镜的观测将由莫隆洛望远镜同步跟踪,首次实现FRBs的定位,随后将适时触发一系列光学及高能望远镜。这对于识别FRB宿主星系、解开其起源之谜至关重要。该巡天将发现约20颗毫秒脉冲星、约100颗低速脉冲星及约10个FRBs。
提供机构:
Commonwealth Scientific and Industrial Research Organisation
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