Parkes observations for project P1281 semester 2024OCTS_01

The physical origin of fast radio bursts (FRBs) has been hotly debated over the past decade until the discovery of bright radio bursts from the Galactic magnetar in 2020. The discovery of galactic FRBs has demonstrated that at least some faint FRBs can originate from normal magnetars. So far, only two active FRB repeaters are confirmed to be associated with persistent radio sources, which are normally interpreted as magnetar wind nebulae by theorists. From the most recent observations with the FAST and Parkes telescopes, we observed a particular radio source, VT 1137-0337, and we found several suspicious short-duration single pulse candidates whose dispersion measurements were very close. Notably, the signal found in the Parkes UWL data has a typical pulse width of 1 ms and exhibits an apparent broadband feature. We strongly request continuing to monitor this source with the Parkes UWL receiver, aiming to detect a significant FRB and directly reveal the nature of the active FRB repeaters.

快速射电暴（FRBs）的物理起源在过去十年中一直备受争议，直到2020年发现来自银河系磁星的明亮射电暴才有所改观。银河系FRBs的发现表明，至少部分微弱的FRBs可起源于普通磁星。迄今为止，仅确认两个活跃的FRB重复暴源与持续射电源相关联，理论家通常将这些持续射电源解释为磁星风星云。通过FAST望远镜和帕克斯望远镜的最新观测，我们发现了一个特殊射电源VT 1137-0337，并检测到若干可疑的短时单脉冲候选体，其色散测量值非常接近。值得注意的是，在帕克斯UWL数据中发现的信号具有1毫秒的典型脉冲宽度，并呈现出明显的宽带特征。我们强烈建议使用帕克斯UWL接收器持续监测该源，以期探测到显著的FRB并直接揭示活跃FRB重复暴源的本质。