An analysis of pulsar timing irregularities - Is it induced by a source of gravitational waves in the Galaxy?

Physics

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Gravitational Waves, Pulsars, Time Measurement, Milky Way Galaxy, Statistical Analysis, Stellar Rotation

Scientific paper

A statistical analysis of the irregularities in the pulse arrival times for some 30 pulsars, for which the timing noise measurements are available, indicates that, at a confidence level of 96 percent, the timing noise is induced by a hypothetical source within the Galaxy. The source would be located at 08 h 38 min right ascension, - 3 deg declination and 0.9 kpc distance from the solar system. The possibility that the interaction between the 'source' and the pulsars is due to gravitational waves, emitted in bursts by the hypothetical source with yearly rate over the past 100,000 years is discussed.

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