All-sky search for long-duration gravitational-wave bursts in the third Advanced LIGO and Advanced Virgo run

doi:10.1103/PhysRevD.104.102001

淡江大學機構典藏 > 理學院 > 物理學系暨研究所 > 期刊論文 > Item 987654321/123334

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题名:	All-sky search for long-duration gravitational-wave bursts in the third Advanced LIGO and Advanced Virgo run
作者:	LVK collaborations
日期:	2021-11-11
上传时间:	2023-04-28 17:46:08 (UTC+8)
出版者:	American Physical Society
摘要:	After the detection of gravitational waves from compact binary coalescences, the search for transient gravitational-wave signals with less well-defined waveforms for which matched filtering is not well suited is one of the frontiers for gravitational-wave astronomy. Broadly classified into “short” ≲1 s and “long” ≳1 s duration signals, these signals are expected from a variety of astrophysical processes, including non-axisymmetric deformations in magnetars or eccentric binary black hole coalescences. In this work, we present a search for long-duration gravitational-wave transients from Advanced LIGO and Advanced Virgo’s third observing run from April 2019 to March 2020. For this search, we use minimal assumptions for the sky location, event time, waveform morphology, and duration of the source. The search covers the range of 2–500 s in duration and a frequency band of 24–2048 Hz. We find no significant triggers within this parameter space; we report sensitivity limits on the signal strength of gravitational waves characterized by the root-sum-square amplitude h rss as a function of waveform morphology. These h rss limits improve upon the results from the second observing run by an average factor of 1.8.
關聯:	Physical Review D 104, 102001
DOI:	10.1103/PhysRevD.104.102001
显示于类别:	[物理學系暨研究所] 期刊論文

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