Angular broadening of pulsars and the distribution of interstellar plasma fluctuations

Details Angular broadening of pulsars and the distribution of interstellar plasma fluctuations Angular broadening of pulsars and the distribution of interstellar plasma fluctuations

Jun 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993apj...410..673g&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 410, no. 2, p. 673-685.

Astronomy and Astrophysics

Astrophysics

35

Cosmic Plasma, Pulsars, Supernova Remnants, Astronomical Models, Cosmic Rays, Radio Waves, Wave Scattering

Scientific paper

New measurements have been made of the angular diameter of the scattering disks of eight pulsars; these results are compared with published measurements of temporal broadening. Four of the objects exhibit moderate scattering. Within the framework of a model that consists of a thin screen superposed on a uniform medium, a comparison of angular and temporal broadening suggests that the localized component's strength is three times greater than that of the uniform medium. Scattering from the Cran and Vela SNRs is also noted to be 38 times greater than that due to the uniform medium.

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