Evidence for two charged particle populations in the Crab nebula

Details Evidence for two charged particle populations in the Crab nebula Evidence for two charged particle populations in the Crab nebula

Mar 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989stin...8929286b&link_type=abstract

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Computer Science

Charged Particles, Crab Nebula, Energy Conversion, Mass Distribution, Stellar Rotation, Synchrotron Radiation, Angular Momentum, Brightness Distribution, Cosmic Dust, Cosmic X Rays, Galactic Radiation, Pulsars

Scientific paper

A comparison between the measured soft X-ray brightness distribution of the Crab nebula and simulated data is made, in order to understand the conversion of the Crab pulsar's rotational energy into synchrotron radiation. Data is obtained from the High Resolution Imager on board the Einstein observatory. A 3-D model based on Rees and Gunn, and Aschenbach and Brinkmann theories is applied. The model suggests a torus shaped emission region. The analysis shows that this region, when viewed from the earth, has an angular extent of 0.24 radians and ellipticity of 5.5. Data from radio, optical, soft- and hard X-ray frequencies allowed to infer the existence of two spatially separated charged particle populations in the Crab pulsar environment.

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