论文标题

搜索来自4-OGC和第一个Chime/FRB目录的重合引力波和快速的无线电爆发事件

Search for Coincident Gravitational-wave and Fast Radio Burst Events from 4-OGC and the First CHIME/FRB Catalog

论文作者

Wang, Yi-Fan, Nitz, Alexander H.

论文摘要

Advanced Ligo和处女座报告了来自紧凑型二进制合并的90个自信重力波(GW),从他们的三个观察过程中进行了观察。此外,已经确定了许多亚阈值引力波候选者。二进制中子星(BNS)合并可以产生引力波和短伽马射线爆发,如GW170817/GRB 170817A所证实。可能有与亚阈值重力波候选物相关的档案观测中记录的电磁对应物。 Chime/FRB协作报道了第一个大型快速无线电爆发(FRB)样本,毫秒无线电瞬变至宇宙学距离。其中的一小部分可能与BNS合并有关。这项工作搜索了使用第四次开放重力波目录(4-OGC)和第一个Chime/FRB目录中的候选者来寻找BNS合并的重合引力波和FRB。我们使用GW/FRB关联的排名统计量,将重力波检测统计量与时间和空间关联的几率相结合。从2019年4月1日至2019年7月1日,我们分析了引力波候选者和非重复的FRB,当时高级Ligo/处女座重力波探测器和Chime射电望远镜都观察到。最重要的巧合候选人的虚假警报率为每次观察时间0.29,这与无效观察一致。零结果最多暗示,$ \ Mathcal {O}(0.01)\%$ - $ - $ \ MATHCAL {O}(1)\%$ $ $ $ $是从BNS合并中产生的。

Advanced LIGO and Virgo have reported 90 confident gravitational-wave (GW) observations from compact-binary coalescences from their three observation runs. In addition, numerous subthreshold gravitational-wave candidates have been identified. Binary neutron star (BNS) mergers can produce gravitational waves and short-gamma ray bursts, as confirmed by GW170817/GRB 170817A. There may be electromagnetic counterparts recorded in archival observations associated with subthreshold gravitational-wave candidates. The CHIME/FRB Collaboration has reported the first large sample of fast radio bursts (FRBs), millisecond radio transients detected up to cosmological distances; a fraction of these may be associated with BNS mergers. This work searches for coincident gravitational waves and FRBs from BNS mergers using candidates from the fourth-Open Gravitational-wave Catalog (4-OGC) and the first CHIME/FRB catalog. We use a ranking statistic for GW/FRB association which combines the gravitational-wave detection statistic with the odds of temporal and spatial association. We analyze gravitational-wave candidates and non-repeating FRBs from 2019 April 1 to 2019 July 1, when both the Advanced LIGO/Virgo gravitational-wave detectors and the CHIME radio telescope were observing. The most significant coincident candidate has a false alarm rate of 0.29 per observation time, which is consistent with a null observation. The null results imply, at most, $\mathcal{O}(0.01)\%$ - $\mathcal{O}(1)\%$ of FRBs are produced from the BNS mergers.

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