Astronomy and Astrophysics – Astronomy
Scientific paper
Jun 1997
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997azh....74..348s&link_type=abstract
Astronomicheskij Zhurnal, vol. 74, p. 348
Astronomy and Astrophysics
Astronomy
Crab Nebula, Gamma Ray Spectra, Pulsars, Energy Spectra, Interstellar Magnetic Fields, Visible Spectrum, Compton Effect
Scientific paper
The flux of gamma rays from the Crab Nebula is calculated using a model based on concepts developed by Pikel'ner and Shklovskii. The calculations agree well with EGRET data at high energies (10 exp 2-10 exp 4 MeV). This provides a new independent confirmation of the validity of our picture of the structure of the outer zone of the nebula (from the filaments to the outer edge), in particular, of the nebula magnetic field as a set of dipole fields where all particles emitted during the pulsar lifetime accumulate. The good agreement between the calculated and observed fluxes of ultra-high-energy (greater than 10 TeV) gamma rays is consistent with the region from the Crab pulsar to the wisps being a source of inverse Compton gamma rays.
Chalenko N. N.
Stepanyan Arnold A.
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