Parkes observations for project P1226 semester 2023OCTS_07

Fast Radio Bursts(FRBs) are often proposed as useful cosmological probes, however much work is needed to better understand the foreground environment that it propgates through, such as the Galactic ISM and Milky Way Halo. We propose to observe three satellite dwarf spheroidal galaxies of the Milky Way to search for FRBs and pulsars. We plan to take advantage of the new CryoPAF's wide field of view to survey high stellar density dwarf satellite galaxies with substantial angular sizes: Fornax, Sculptor and Sagittarius II. Detections of FRBs and pulsars will allow us to measure the Circumgalactic Medium contribution to FRB dispersion and also the dark matter halos of these dwarf galaxies.快速射电暴（Fast Radio Bursts, FRBs）常被视为极具应用价值的宇宙学探针，但目前仍需开展大量研究，以更深入地厘清其传播路径上的前景环境，例如银河星际介质（Interstellar Medium, ISM）与银晕。我们计划对银河系的三颗卫星矮椭球星系开展观测，以搜寻快速射电暴与脉冲星。本研究拟利用新型CryoPAF的大视场优势，对具备显著角尺度且恒星密度较高的矮卫星星系进行巡天观测，目标天体涵盖天炉座（Fornax）、玉夫座（Sculptor）以及人马座II（Sagittarius II）。若成功探测到快速射电暴与脉冲星，我们将可量化环星系介质（Circumgalactic Medium, CGM）对快速射电暴色散的贡献，同时也能测算这些矮星系的暗物质晕性质。