Magnetic Field Decay in Single Radio Pulsars: A Statistical Study | Zendy

Soma Mukherjee | Zendy; Ajit Kembhavi | Zendy

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Magnetic Field Decay in Single Radio Pulsars: A Statistical Study

Author(s) -

Soma Mukherjee,

Ajit Kembhavi

Publication year - 1997

Publication title -

the astrophysical journal

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.376

H-Index - 489

eISSN - 1538-4357

pISSN - 0004-637X

DOI - 10.1086/304798

Subject(s) - pulsar , physics , astrophysics , luminosity , population , magnetic field , millisecond pulsar , rotation (mathematics) , position angle , position (finance) , dispersion (optics) , astronomy , x ray pulsar , optics , galaxy , quantum mechanics , demography , geometry , mathematics , finance , sociology , economics

We report on an extensive statistical study of single radio pulsar properties, which we undertook to estimate the decay timescale of pulsar magnetic fields. We synthesized a population of pulsars using assumed theoretical distributions of age, initial magnetic field, period of rotation, position, luminosity, and dispersion measure, taking into account the new distance model for pulsars as well as new velocity estimates. We also took into account the selection effects that characterize pulsar observations. We compared the simulated population with the observed single pulsar population using one- and two-dimensional Kolmogorov-Smirnov tests to obtain a lower bound of ~160 Myr on the decay timescale.

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