Galactic gamma-ray emission from radio pulsars

Details Galactic gamma-ray emission from radio pulsars Galactic gamma-ray emission from radio pulsars

Jun 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992apj...391..659b&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 391, no. 2, June 1, 1992, p. 659-666.

Astronomy and Astrophysics

Astronomy

35

Gamma Ray Astronomy, Milky Way Galaxy, Monte Carlo Method, Pulsars, Computerized Simulation, Magnetic Fields, Radial Distribution

Scientific paper

Both the polar cap and outer gap models of pulsar gammar-ray emission are used to determine the pulsars' contribution to the Galactic gamma-ray emission. A Monte Carlo technique is used to model the Galactic pulsar population, and their contribution to the Galactic gamma-ray emission is found to depend strongly upon their birth properties, which remain controversial. For any model, the majority of this emission arises from pulsars currently known as radio pulsars. This result holds for both the polar cap, and the outer gap models, and suggests that the pulsar contribution to the Galactic gamma-ray emission might be much higher than previous calculations have suggested. It is proposed that the milliarcsecond pulsars also contribute significantly to Galactic gamma-ray emission.

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