Other
Scientific paper
Jan 1979
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1979apj...227l..17l&link_type=abstract
Astrophysical Journal, Part 2 - Letters to the Editor, vol. 227, Jan. 1, 1979, p. L17-L20.
Other
79
Galactic Nuclei, Interstellar Gas, Ionized Gases, Milky Way Galaxy, H Ii Regions, Microwave Emission
Scientific paper
High spatial and spectral resolution observations of Ne II (12.8 microns) emission show a complex array of small sources of various velocities within the central 20 arcsec of the Galaxy. More extended clouds of ionized gas are seen outside this region. Many of the localized sources are associated with 10-micron continuum peaks. Clouds in the central region appear to be rotating about an axis tilted 60 to 90 deg from that of galactic rotation. Their velocity distribution indicates a mass of about 8 million solar masses for the central parsec (diameter) of the Galaxy. Sensitive searches for more highly ionized species in the galactic center indicate that the region is ionized by radiation with a cooler spectrum than that found in other H II regions.
Baas F.
Geballe Thomas Ronald
Lacy John H.
Townes Charles H.
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