Parkes observations for project P1054 semester 2024APRS_13

With this proposal we ask time to continue our timing follow-up campaign of pulsars discovered with the MeerKAT telescope. Thirty sources have been discovered in targeted observations of Fermi unidentified point sources, two in association with a Supernova Remnant, 13 in the Magellanic Clouds, 87 in Globular Clusters and 78 in a survey of the Galactic plane. A large fraction of the new discoveries are recycled pulsars (including at least one double neutron star system and several 'spider' binaries), or young pulsars. Timing observations have an essential role in exploiting the full potential of any pulsar discovery, allowing 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.

本观测申请旨在申请观测时长，以延续针对使用MeerKAT望远镜（MeerKAT）发现的脉冲星开展的计时后续观测项目。本次通过四类观测共发现脉冲星源210个：其中30个来自费米（Fermi）未证认点源的靶向观测，2个与超新星遗迹（Supernova Remnant）成协，13个位于麦哲伦云（Magellanic Clouds）中，87个发现于球状星团（Globular Clusters）内，另有78个来自银道面（Galactic plane）巡天项目。本次新发现的脉冲星中，相当比例为再循环脉冲星（recycled pulsars），其中至少包含1个双中子星系统（double neutron star system）与多组“蜘蛛”双星系统（spider binaries），其余则为年轻脉冲星。计时观测对于充分挖掘每一次脉冲星发现的科学潜力至关重要：通过计时观测可精准测定脉冲星的自转、天体测量与轨道参数，进而为我们深入理解极端环境下的物理规律，乃至整体中子星族群的分布与演化提供了强有力的研究手段。帕克斯望远镜（Parkes）搭载的UWL接收机（UWL receiver）是一台高灵敏度、多用途的观测设备，能够助力我们成功完成这批新发现脉冲星的计时观测——这批源均属于TRAPUM巡天（TRAPUM）发现的亮源范畴。