Galactic center iron line emission

Details Galactic center iron line emission Galactic center iron line emission

Aug 1978

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1978grsa.rept..302w&link_type=abstract

In its Gamma Ray Spectry. in Astrophys. p 302-309 (SEE N78-31971 22-88)

Astronomy and Astrophysics

Astrophysics

1

Astronomical Spectroscopy, Emission Spectra, Galactic Radiation, Iron, Line Spectra, X Ray Spectra, Cosmic Rays, Gamma Rays, Heao, Interstellar Gas, Spectral Line Width

Scientific paper

Data from the Goddard Space Flight Center experiment on HEAO 1 were examined for galactic center iron line emission. Evidence for a 6.8 keV line from the summed flux within 10 deg longitude and 10 deg latitude of the galactic center was found; however, firm limits cannot be put on the intrinsic line width. If the line emission is diffuse and cosmic-ray-induced, the calculations of Bussard et al (1978) yield an upper limit to c-12 4.44 MeV line emission, which is not inconsistent with the results of Haymes et al (1975). Significant contributions to the iron line from discrete sources can not be ruled out.

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