Parkes observations for project P1054 semester 2026APRS_13

With this proposal we ask time to continue our timing follow-up campaign of pulsars discovered with the MeerKAT telescope. Fiftythree sources have been discovered in targeted observations of Fermi unidentified point sources, two towards Supernova Remnants, 27 in the Magellanic Clouds, 109 in Globular Clusters and 96 in a survey of the Galactic plane. A large fraction of the new discoveries are recycled pulsars (including a few relativistic systems, a pulsar with a planetary companion 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.

本提案申请观测时长，以延续针对MeerKAT望远镜所发现脉冲星的计时后续观测项目。本次已发现的脉冲星源分布如下：在针对费米（Fermi）未证认点源的靶向观测中发现53颗，朝向超新星遗迹（Supernova Remnants）发现2颗，在麦哲伦云（Magellanic Clouds）中发现27颗，在球状星团（Globular Clusters）中发现109颗，在银道面（Galactic plane）巡天中发现96颗。这批新发现的脉冲星中，很大一部分为再循环脉冲星（包括少量相对论性系统、1颗拥有行星伴星的脉冲星以及多组蜘蛛双星（spider binaries）），亦有部分为年轻脉冲星。计时观测对于充分释放每一次脉冲星发现的科研潜力具有核心作用：其可实现自转参数、天体测量参数与轨道参数的精确测量，进而为我们深化对极端环境物理规律以及中子星整体星族的认知提供强力研究工具。帕克斯望远镜（Parkes telescope）搭载的超宽频接收机（UWL receiver）是一款高灵敏度、多用途的观测设备，能够助力我们成功对TRAPUM巡天亮源端的这批新发现源开展计时观测。