Parkes observations for project P1054 semester 2025APRS_01

With this proposal we ask time to continue our timing follow-up campaign of pulsars discovered with the MeerKAT telescope. Fourtytwo sources have been discovered in targeted observations of Fermi unidentified point sources, two towards Supernova Remnants, 19 in the Magellanic Clouds, 105 in Globular Clusters and 81 in a survey of the Galactic plane. A large fraction of the new discoveries are recycled pulsars (including a few relativistic systems and several 'spider' binaries), or young pulsars. Timing observations have an essential role in exploiting the full potential of any pulsar discovery, allowing for the precise measurement of rotational, astrometric and orbital parameters which, in turn, give us powerful tools to improve our understanding of the physics in extreme environments as well as of the population of neutron stars as a whole. The UWL receiver of the Parkes telescope is a sensitive, versatile instrument that is allowing us to successfully time these new sources, in the bright-end of TRAPUM discoveries.

本提案申请观测时间，以延续我们对MeerKAT望远镜（MeerKAT telescope）所发现脉冲星的计时随访项目。本次脉冲星发现涵盖多个来源：通过对费米（Fermi）未证认点源的靶向观测共发现42颗，其中2颗位于超新星遗迹（Supernova Remnants）方向，19颗位于麦哲伦云（Magellanic Clouds），105颗位于球状星团（Globular Clusters），另有81颗源自银道面巡天（Galactic plane survey）。本次新发现的脉冲星中，绝大多数为再循环脉冲星（包含数颗相对论性系统与若干‘蜘蛛’双星系统），亦或是年轻脉冲星。计时观测对于充分发挥每一颗脉冲星发现的科研潜力具有核心作用，其可实现对脉冲星自转、天体测量与轨道参数的精确测定，进而为我们深化对极端环境下的物理规律以及整体中子星族群的认知提供强有力的研究工具。帕克斯望远镜（Parkes telescope）的UWL接收机是一款高灵敏度、多用途的观测仪器，能够助力我们成功对TRAPUM巡天（TRAPUM discoveries）亮源端的这批新发现脉冲星开展计时观测。