A new constraint on the Galactic plane Al-26 distribution

Details A new constraint on the Galactic plane Al-26 distribution A new constraint on the Galactic plane Al-26 distribution

Jun 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987apj...317..877m&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 317, June 15, 1987, p. 877-880. DOE-supported research.

Astronomy and Astrophysics

Astrophysics

25

Aluminum 26, Galactic Nuclei, Gamma Ray Spectra, Interstellar Matter, Milky Way Galaxy, Balloon-Borne Instruments, Heao 3, Solar Maximum Mission

Scientific paper

Results are reported from a search for Galactic-plane 1809-keV Al-26 line emission in data from high-spectral-resolution gamma-ray observations obtained on four balloon flights over Australia in 1977-1984. The instrumentation and data-reduction procedures are described in detail, and the results are presented in tables and graphs. The fluxes determined for a hypothetical point source and for a diffuse source in the direction of the Galactic center are 0.00013 + or - 0.00009 and 0.00039 + 0.00020 or - 0.00017 photons/sq cm sec, respectively, consistent with SMM and HEAO 3 observations and diffuse-source models of Al-26 emission.

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