论文标题

减轻仪器伪影对来源本地化的影响

Mitigating the effects of instrumental artifacts on source localizations

论文作者

Huber, Maggie C., Davis, Derek

论文摘要

重力波菌株数据中的仪器伪像可以与重力波检测重叠,并显着损害了测得的源局部定位的准确性。这些偏见可以防止检测到检测到的引力波的任何电磁对应物。我们提出了一种减轻仪器伪像对测得的源定位的影响的方法。该方法使用介入技术来删除包含仪器伪像的数据,然后在随后的数据分析中校正去除数据。我们使用此方法使用多种信号类别和介入参数提出了一系列仿真,以测试该方法的有效性并确定潜在的局限性。我们表明,在绝大多数情况下,即使在删除了部分数据之后,该方法也可以牢固地定位重力波信号。我们还展示了仪器伪像如何偏向测得的源位置以及如何使用该方法来减轻这种偏见。

Instrumental artifacts in gravitational-wave strain data can overlap with gravitational-wave detections and significantly impair the accuracy of the measured source localizations. These biases can prevent the detection of any electromagnetic counterparts to the detected gravitational wave. We present a method to mitigate the effect of instrumental artifacts on the measured source localization. This method uses inpainting techniques to remove data containing the instrumental artifact and then correcting for the data removal in the subsequent analysis of the data. We present a series of simulations using this method using a variety of signal classes and inpainting parameters which test the effectiveness of this method and identify potential limitations. We show that in the vast majority of scenarios, this method can robustly localize gravitational-wave signals even after removing portions of the data. We also demonstrate how an instrumental artifact can bias the measured source location and how this method can be used to mitigate this bias.

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