Searches for Continuous Gravitational Waves from Neutron Stars: A Twenty-Year Re...
source link: https://iphysresearch.github.io/blog/publication/2023-wette-searchescontinuousgravitational/
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Searches for Continuous Gravitational Waves from Neutron Stars: A Twenty-Year Retrospective
Abstract
Seven years after the first direct detection of gravitational waves, from the collision of two black holes, the field of gravitational wave astronomy is firmly established. A first detection of continuous gravitational waves from rapidly-spinning neutron stars could be the field’s next big discovery. I review the last twenty years of efforts to detect continuous gravitational waves using the LIGO and Virgo gravitational wave detectors. I summarise the model of a continuous gravitational wave signal, the challenges to finding such signals in noisy data, and the data analysis algorithms that have been developed to address those challenges. I present a quantitative analysis of 291 continuous wave searches from 78 papers, published from 2003 to 2022, and compare their sensitivities and coverage of the signal model parameter space.
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