Infrared observations of the ionized gas in the galactic center

Details Infrared observations of the ionized gas in the galactic center Infrared observations of the ionized gas in the galactic center

May 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982aipc...83...53l&link_type=abstract

IN: The galactic center, Proceedings of the Workshop, Pasadena, CA, January 7, 8, 1982 (A83-40676 19-90). New York, American Ins

Astronomy and Astrophysics

Astronomy

8

Galactic Nuclei, Infrared Astronomy, Interstellar Gas, Ionized Gases, Milky Way Galaxy, Abundance, Black Holes (Astronomy), Emission Spectra, Mass Distribution, Star Clusters

Scientific paper

Observations of ionic emission lines from the galactic center are discussed. These observations provide information regarding the abundances of heavy elements, the spectrum of ionizing radiation, the distribution of ionized gas, and the gravitational potential in which the gas moves. There is evidence from the gas cloud velocities that a massive central black hole is present, but other considerations do not support this conclusion. The most plausible scenario involves a dense central star cluster in which stellar collisions disrupt stars, and recently formed OB stars provide the radiation which ionizes the gas.

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