The hard X-ray to low-energy gamma-ray spectrum of the Crab Nebula

Details The hard X-ray to low-energy gamma-ray spectrum of the Crab Nebula The hard X-ray to low-energy gamma-ray spectrum of the Crab Nebula

Mar 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989apj...338..972j&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 338, March 15, 1989, p. 972-982.

Astronomy and Astrophysics

Astronomy

53

Crab Nebula, Electron Energy, Gamma Ray Spectra, Weak Energy Interactions, X Ray Sources, Electron Acceleration, Heao 1, Pulsars, Synchrotron Radiation

Scientific paper

Data from the UCSD/MIT Hard X-ray and Low-Energy Gamma-Ray Experiment on the first High Energy Astronomy Observatory (HEAO 1) were used to determine the spectrum of the Crab Nebula in the 10 keV-5 MeV energy range. The spectral change in the 100 keV-1 MeV region is characterized. When the combined spectrum is fitted to a broken power-law model, the data require a description with the following distinct spectral indices: a power-law slope of 2.08 in the 1-100 keV region and a slope of about 2.5 above 150 keV.

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