A detailed, high time resolution study of high frequency radio emission from PSR 1133+16

Details A detailed, high time resolution study of high frequency radio emission from PSR 1133+16 A detailed, high time resolution study of high frequency radio emission from PSR 1133+16

Mar 1978

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1978a%26a....64...27f&link_type=abstract

Astronomy and Astrophysics, vol. 64, no. 1-2, Mar. 1978, p. 27-42. Research supported by the Max-Planck-Institut für Radioastro

Astronomy and Astrophysics

Astronomy

24

High Frequencies, Pulsars, Radio Astronomy, Radio Emission, Autocorrelation, Data Reduction, Microstructure, Polarization (Waves), Pulse Duration, Radiant Flux Density, Signal To Noise Ratios, Stellar Models

Scientific paper

Observations of the pulsar PSR 1133+16 at wavelengths of 11, 18, and 21 cm with various microsecond time resolutions are evaluated. The total power measurements of integrated and individual pulses are analyzed in terms of pulse widths, fluxes, microstructural peculiarities, and the frequency variation of these properties. Polarization measurements of individual pulses obtained at 11 and 18 cm are examined, and several possible interpretations are considered. The results indicate that the microstructure in PSR 1133+16 seems to differ from subpulses in at least seven ways, that the values of corotation velocity that give the best fits to the microstructure pulse widths seem to be somewhat lower than those that would give the best polarization model fits, and that some microstructure is apparently quasi-periodic in nature. It is suggested that microstructure and subpulses originate in different magnetospheric regions near the light cylinder.

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