Other
Scientific paper
Feb 1982
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982ncimb..67..185c&link_type=abstract
Nuovo Cimento B, Serie 11, vol. 67B, Feb. 11, 1982, p. 185-201.
Other
2
Gravitational Waves, Neutron Stars, Pulsars, Random Noise, Statistical Analysis, Time Measurement, Curve Fitting, Data Reduction, Least Squares Method, Root-Mean-Square Errors, Stellar Models
Scientific paper
An attempt to prove the feasibility of an external source to which to ascribe the restlessness and glitches of pulsars with metastable interior conditions is presented. A high correlation has been observed between rms phase noise and the inverse square distance to pulsar objects in the Galaxy. Least-squares fits were performed for data on observed pulsars to determine the significance of the distance, and Vela X-1 yielded the highest significance, while it was also determined that a source was required within 1 cu kpc of the observed emissions. The analysis also indicated an external source for the disturbances. A model of a number of vortices in the crustal neutron superfluid, pinned to the crustal nuclei, is examined, showing that a fraction of the crustal vortices sometimes pass a threshold and unpin, giving up angular momentum to the crust. The possibility that the unpinning action is set off by the absorption of gravitational waves from another stellar source is considered.
Cerdonio Massimo
Vitale Salvatore
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