Origin of 6.4keV Line Emission from Molecular Clouds in the Galactic Center

Details Origin of 6.4keV Line Emission from Molecular Clouds in the Galactic Center Origin of 6.4keV Line Emission from Molecular Clouds in the Galactic Center

Aug 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009pasj...61..901d&link_type=abstract

Publications of the Astronomical Society of Japan, Vol.61, No.4, pp.901--907

Astronomy and Astrophysics

Astronomy

19

Galaxy: Center, Ism: Molecular Clouds: Cosmic Rays, X-Rays: Diffuse Background

Scientific paper

We analyze the 6.4keV line and continuum emission from the molecular cloud Sgr B2 and the source HESS J1745-303, which is supposed to be a complex of molecular gas. From the HESS results it follows that Sgr A* is a source of high energy protons, which penetrate into molecular clouds producing there a TeV gamma-ray flux. We present arguments that Sgr A* may also produce a flux of subrelativistic protons which generate the 6.4keV line and bremsstrahlung continuum emission from the clouds.

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