Sensitivity Improvements in the Search for Periodic Gravitational Waves Using O1 LIGO Data

被引：41
|
作者：
Dergachev, Vladimir [1 ,2 ]
Papa, Maria Alessandra [1 ,2 ,3 ]
机构：
[1] Max Planck Inst Gravitat Phys, Albert Einstein Inst, Callinstr 38, D-30167 Hannover, Germany
[2] Leibniz Univ Hannover, D-30167 Hannover, Germany
[3] Univ Wisconsin Milwaukee, 3135 North Maryland Ave, Milwaukee, WI 53211 USA
来源：
PHYSICAL REVIEW LETTERS | 2019年 / 123卷 / 10期
基金：
美国国家科学基金会;
关键词：
36;
D O I：
10.1103/PhysRevLett.123.101101
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We demonstrate a breakthrough in the capabilities of robust, broad-parameter space searches for continuous gravitational waves. With a large scale search for continuous gravitational waves on the O1 LIGO data, we prove that our Falcon search achieves the sensitivity improvements expected from the use of a long coherence length, while maintaining the computational expense within manageable bounds. On these data we set the most constraining upper limits in the gravitational wave amplitude in the band 100-200 Hz. We provide full outlier lists and upper limits near the 0-spin-down band suitable for analysis of signals with small spin-down such as boson condensates around black holes.
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页数：6
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