Astronomy and Astrophysics – Astrophysics
Scientific paper
Feb 1980
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980nyasa.336..429k&link_type=abstract
In: Texas Symposium on Relativistic Astrophysics, 9th, Munich, West Germany, December 14-19, 1978, Proceedings. (A80-42502 18-90
Astronomy and Astrophysics
Astrophysics
9
Crab Nebula, Early Stars, Pulsars, Stellar Structure, Supernova Remnants, Binary Stars, Computerized Simulation, Interstellar Gas, Lunar Atmosphere, Lunar Dust, Stellar Evolution, Supermassive Stars, Turbulence Effects
Scientific paper
The pulsar input into the Crab nebula is discussed along with its turbulence, filamentary structure and kinematics. Attention is given to an impulsive implosion wave rather than reverse shock, its cigar shape and observed spectrum. A model is described in which the 30-Hz pulsar waves are repeatedly reflected near the inner edge of the nebula; the neutron star's moment of inertia and polar surface magnetic field strength are presented, and reasons for the relativistic component of the Crab nebula consisting essentially of electrons and positrons are discussed. It is noted that the high-energy pulse shape is energy-independent, the apparent size of the nebula shrinks with increasing photon energy, and highly relativistic electrons must radiate a substantial fraction of their energy when encountering the (even partially) reflected 30-Hz waves.
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