The distribution of gamma-ray emissivity in the Galaxy

A. W. Strong, D. M. Worrall

Research output: Contribution to journalArticle (Academic Journal)peer-review

17 Citations (Scopus)

Abstract

The longitudinal distribution of gamma-ray intensity measured with the SAS-2 satellite has been unfolded to give the Galactic gamma-ray emissivity. It is found that the observations are consistent with either a cylindrically symmetric emissivity distribution, or a distribution uniform along spirals with tilt angles similar to those for spiral arms. The gamma-ray distribution in the Galaxy seems to be more in accord with models based on the molecular hydrogen distribution than those based on spiral structure.
Original languageEnglish
Pages (from-to)823-827
Number of pages5
JournalJournal of Physics A: Mathematical and General
Volume9
DOIs
Publication statusPublished - 1 May 1976

Keywords

  • Emissivity
  • Galactic Radiation
  • Gamma Rays
  • Radiation Distribution
  • Astronomical Models
  • Galactic Structure
  • Hydrogen Clouds
  • Sas-2
  • Spiral Galaxies

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