TITLE:
On Strong Correlations between Timing Irregularities and Surface Magnetic Field of Rotation-Powered Pulsars
AUTHORS:
Evaristus Uzochukwu Iyida, Christian Ikechukwu Eze, Innocent Okwudili Eya
KEYWORDS:
Methods: Statistical, Stars: Neutron, Pulsars: General
JOURNAL NAME:
International Journal of Astronomy and Astrophysics,
Vol.10 No.4,
December
28,
2020
ABSTRACT: Using a large homogenous sample of Jodrell Bank Observatory (JBO) rotation-powered pulsars with derived pulsar parameter obtained from the Australian Telescope National Facility (ATNF) catalogue, we investigated the degree of statistical dependence of timing noise on surface magnetic field for our sample. The distributions of the timing irregularities parameters reveal a striking trend, in which pulsars with large timing noise parameters on average, have large surface magnetic field with up to 5 orders of magnitude. Regression analysis of the data reveals significant correlations (r ≥ 0.80) between timing noise parameters and the surface magnetic field. The implications of the observed significant relationships are discussed.