Statistical characterization of pulsar glitches and their potential impact on searches for continuous gravitational waves
作者： G. Ashton , R. Prix , D. I. Jones
DOI: 10.1103/PHYSREVD.96.063004
关键词:
摘要: Continuous gravitational waves from neutron stars could provide an invaluable resource to learn about their interior physics. A common search method involves matched filtering a modeled template against the noisy gravitational-wave data find signals. This suffers mismatch (i.e., relative loss of signal-to-noise ratio) if signal deviates template. One possible instance in which this may occur is star undergoes glitch, sudden rapid increase rotation frequency seen timing many radio pulsars. In work, we use statistical characterization glitch rate and size pulsars estimate how often glitches would within parameter space continuous searches much putative signals suffer due these glitches. We that for previous potential future continuous-wave have elevated probability undergoing one or more will lead substantial fraction ratio being lost. failure identify candidate initial stages also false dismissal candidates subsequent follow-up stages.
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