On the frequency independence of pulsar microstructure phase

Details On the frequency independence of pulsar microstructure phase On the frequency independence of pulsar microstructure phase

Sep 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986apj...308..691g&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 308, Sept. 15, 1986, p. 691-696. Research supported by the Polska Akademia

Astronomy and Astrophysics

Astrophysics

11

Emission Spectra, Pulsars, Stellar Models, Angular Distribution, Magnetic Dipoles, Narrowband, Radii

Scientific paper

An angular beaming model for constituents of pulsar emission is examined. It is proposed that both subpulses and micropulses are generated by the same narrow-band emission mechanism. Micropulses correspond to a thin plasma column flowing along dipolar magnetic field lines. The width of the micropulses is determined by relativistic beaming. It is shown that if the mapping radii r (196.3 MHz) and r (318 MHz) differ by less than 20 stellar radii R, then the micropulses in PSR 1133 + 16 should be simultaneous at the source between 318 and 196.3 MHz, as observed.

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