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 language | English |
|---|---|
| Pages (from-to) | 823-827 |
| Number of pages | 5 |
| Journal | Journal of Physics A: Mathematical and General |
| Volume | 9 |
| DOIs | |
| Publication status | Published - 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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