Physics
Scientific paper
Mar 1979
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1979natur.278..331f&link_type=abstract
Nature, vol. 278, Mar. 22, 1979, p. 331-332.
Physics
2
Crab Nebula, Light Emission, Pulsars, Relativistic Effects, Stellar Models, Stellar Radiation, Luminous Intensity, Neutron Stars, Polarization Characteristics, Pulsed Radiation
Scientific paper
The predictions of the relativistic beaming model for the beaming of unpulsed radiation from the Crab Nebula pulsar are investigated. In the model the radiation is considered to come from a region near the speed-of-light cylinder of a neutron star magnetosphere. Using model parameters found to fit the observed polarization characteristics and the change of light curve with color of the secondary pulse, the model predicts that the minimum observed intensity should be about 3.9% of the main pulse peak. Observations are shown to agree remarkably well with this value, giving support to the relativistic beaming model. It is suggested that previous Crab pulsar polarization data be reanalyzed to verify the model prediction of high and smoothly varying polarization between pulses.
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