Astronomy and Astrophysics – Astronomy
Scientific paper
Dec 1988
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988a%26a...207....1s&link_type=abstract
Astronomy and Astrophysics (ISSN 0004-6361), vol. 207, no. 1, Dec. 1988, p. 1-15. Research supported by the Naturvetenskapliga F
Astronomy and Astrophysics
Astronomy
430
Galactic Radiation, Gamma Ray Astronomy, Molecular Clouds, Radial Distribution, Astronomical Spectroscopy, Carbon Monoxide, H I Regions, Interstellar Gas, Radiation Distribution
Scientific paper
The correlation between diffuse galactic γ-rays and gas tracers is studied using the final COS-B database and H I and CO surveys covering the entire galactic plane. A good quantitative fit to the γ-rays is obtained, with a small gradient in the γ-ray emissivity per hydrogen atom. The average ratio of H2 column density to integrated CO temperature is determined. The corresponding mass of molecular hydrogen in the inner Galaxy, derived using both 1st and 4th quadarants, is 1.0×109M_sun;.
Bloemen Johannes Bernardus Gerhardus Maria
Dame Thomas M.
Grenier Isabelle A.
Hermsen Willem
Lebrun François
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