Explosive origin of molecular clouds in the Galactic center region

Details Explosive origin of molecular clouds in the Galactic center region Explosive origin of molecular clouds in the Galactic center region

Feb 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990pasj...42...19s&link_type=abstract

Astronomical Society of Japan, Publications (ISSN 0004-6264), vol. 42, no. 1, 1990, p. 19-38.

Astronomy and Astrophysics

Astronomy

4

Galactic Nuclei, Milky Way Galaxy, Molecular Clouds, Shock Wave Propagation, Galactic Structure, H Lines, Radial Velocity

Scientific paper

The propagation of shock waves generated by a postulated explosion at the Galactic center is calculated in the Galactic plane. The motions of the shocks are strongly affected by the density distribution in the ambient nuclear disk. Calculated l-V maps of shocked gas are compared with the observed features of molecular clouds at absolute values of l less than 2 deg. These molecular clouds are interpreted as being the aggregate of segments of four circular shock waves resulting from an explosion of magnitude 10 to the 56th ergs which occurred 1 Myr ago.

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