Astronomy and Astrophysics – Astrophysics
Scientific paper
Jan 1986
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986a%26a...154...25b&link_type=abstract
Astronomy and Astrophysics (ISSN 0004-6361), vol. 154, no. 1-2, Jan. 1986, p. 25-41.
Astronomy and Astrophysics
Astrophysics
400
Calibrating, Carbon Monoxide, Galactic Cosmic Rays, Gamma Rays, Milky Way Galaxy, Radial Distribution, Cos-B Satellite, Galactic Nuclei, Hydrogen, Interstellar Matter
Scientific paper
High-energy (>70 MeV) gamma-ray observations are compared to H I and CO surveys over more than half of the Milky Way. The kinematics of both H I and CO are used as a distance indicator to determine, in combination with COS-B gamma-ray data, the galacto-centric distribution of the gamma-ray emissivity (the production rate per H atom) for three gamma-ray energy intervals. The ratio between H2 column density and integrated CO line intensity is calibrated independently of excitation and abundance effects. The galacto-centric distributions of cosmic-ray electrons and nuclei are derived separately from the gamma-ray emissivity distributions.
Blitz Leo
Bloemen Johannes Bernardus Gerhardus Maria
Cohen R. S.
Dame Thomas M.
Grabelsky David Andrew
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