Astrophysics

    

Correlation Method for Finding Gravitational Waves in LIGO Data

Authors: Anatolii Skorbun, Maxim Saveliev

The method for finding the signal from the gravitational wave in the interferometrical data of the LIGO observatory is demonstrated on the test example of the gravitational event GW150914. The method is based on the use of correlation analysis, reasoning from the fact that the shape of the signal to be found is known, as well on the use of computational statistics methods. The developed method was applied for the search for signals in the LIGO data for a 32 seconds time-frame inside standard data block of 16 s prior and 16 s after the GW150914 event. The performance of the method and its advantages for the analysis of signals in a noise are shown. The paper includes analysis of possibility of the existence of other useful signals in the noise signal where the chirp of the event GW150914 was detected.

Comments: 11 Pages.

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Submission history

[v1] 2022-08-31 00:33:15

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