Pulsar geometries. I - Basic models

Details Pulsar geometries. I - Basic models Pulsar geometries. I - Basic models

Mar 1975

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1975apj...196..571o&link_type=abstract

Astrophysical Journal, vol. 196, Mar. 1, 1975, pt. 1, p. 571-577.

Astronomy and Astrophysics

Astronomy

8

Astronomical Models, Neutron Stars, Pulsars, Radio Emission, Beams (Radiation), Geometry, Pulsed Radiation, Radio Astronomy, Rotating Environments, Stellar Magnetic Fields

Scientific paper

A 'geometrical' model for pulsar emissions is presented according to which they occur perpendicular to organized magnetic-field structures, but in finite sets of narrow beams that rotate with constant speed in the plane perpendicular to the field; such a 'wagon wheel' pattern might arise out of interference among wedge-shaped patterns of coherent synchrotron radiation near the surface of the neutron star, or it may be related to standing plasma waves in a circumstellar magnetic field. No further requirements are necessary with regard to this emission mechanism to interpret the existence and preferred location of interpulses, fast and slow pulse-amplitude modulations, and drifting subpulses in terms of the inclination of magnetic field and rotational axes of the neutron star, and the accidental latitude position of the observer.

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