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Measuring Spin of the Remnant Black Hole from Maximum Amplitude.

08:00 EDT 11th October 2019 | BioPortfolio

Summary of "Measuring Spin of the Remnant Black Hole from Maximum Amplitude."

Gravitational waves emitted during the merger of two black holes carry information about the remnant black hole, namely its mass and spin. This information is typically found from the ringdown radiation as the black hole settles to a final state. We find that the remnant black hole spin is already known at the peak amplitude of the gravitational wave strain. Using this knowledge, we present a new method for measuring the final spin that is template independent, using only the chirp mass, the instantaneous frequency of the strain, and its derivative at maximum amplitude, all template independent.

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This article was published in the following journal.

Name: Physical review letters
ISSN: 1079-7114
Pages: 151101

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