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Parkes observations for project P574 semester 2023OCTS_04

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Research Data Australia2025-12-20 收录
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We request time to observe 260 pulsars on a regular basis in order to provide the accurate ephemerides necessary for the detection and characterisation of gamma-ray pulsars with the Fermi satellite. The main science goals are to increase the number of known gamma-ray pulsars (both radio loud and radio quiet), to determine accurate pulse profiles, and to characterise their high energy (phase-resolved) spectra. In the radio, the observations will also allow us to investigate: neutron stars and pulsar emission via detecting glitches and determining pulse timing parameters; and the ISM via measuring and monitoring dispersion measures, Faraday rotation measures, and scintillation. To date, we are (co-)authors on over 95 papers arising from the collaboration and P574 data, including four which use UWL observations. The data have contributed to the PhD theses of students from Bordeaux, Manchester, Oxford, Stanford, and Swinburne.

本团队申请观测时长以定期监测260颗脉冲星,为利用费米卫星(Fermi Satellite)探测并表征伽马射线脉冲星提供所需的精确星历表。本项目的核心科学目标包括:一是扩充已知伽马射线脉冲星(涵盖射电亮型(radio loud)与射电宁静型(radio quiet))的数量;二是获取高精度脉冲轮廓;三是表征其高能(相位分辨)能谱。射电波段的观测还可支撑多项科研工作:通过探测脉冲星自转突变(glitch)并测定脉冲计时参数,开展中子星与脉冲星辐射机制研究;通过测量并监测色散量、法拉第旋转量与星际闪烁,探究星际介质(Interstellar Medium, ISM)。截至目前,基于本合作项目与P574数据集的研究成果已发表超过95篇学术论文,其中4篇采用了UWL观测数据,本团队为其中多篇论文的合著者。该数据集还助力来自波尔多、曼彻斯特、牛津、斯坦福以及斯威本等高校的学生完成博士学位论文。

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