Pulsar radiation patterns. I - Basic principles of data reduction and a two-frequency study of PSR 2016 + 28

Details Pulsar radiation patterns. I - Basic principles of data reduction and a two-frequency study of PSR 2016 + 28 Pulsar radiation patterns. I - Basic principles of data reduction and a two-frequency study of PSR 2016 + 28

May 1977

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1977a%26a....57....1o&link_type=abstract

Astronomy and Astrophysics, vol. 57, no. 1-2, May 1977, p. 1-8.

Astronomy and Astrophysics

Astrophysics

15

Data Reduction, Pulsars, Radiation Distribution, Radio Emission, Astronomical Models, Neutron Stars, Stellar Models

Scientific paper

Raw 430-MHz and 1720-MHz data on PSR 2016 + 28 has been reduced to obtain a representation of the intensity distribution within bands of drifting subpulses which supposedly represent distinct and localized areas of radio emission. The data representation was chosen in such a fashion that it leaves the geometrical and, a fortiori, the physical interpretation of the beams arbitrary. Choosing a model in which the emission beams are perpendicular to the magnetic axis (wagon-wheel pattern) and a model in which they occur along a hollow cone with a half angle much smaller than 90 deg, the implications of the observed beam intensity contours for the parameters that give rise to either type of emission are discussed. It is found that PSR 2016 + 28, due to its relatively simple radiation contour, fits either model. However, there are some indications that the radiation contours do not simply map the particle acceleration areas near the neutron star's surface.

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