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The Velocities of 6cm Recombination Line Emission originating near the Galactic Nucleus
Published online by Cambridge University Press: 25 April 2016
Extract
Although it is well known that HII regions are present in the innermost regions of the Galaxy their kinematics are still not fully understood. In one study Pauls et al. (1976) surveyed with a beamwidth of 3′ arc the 10 GHz recombination line emission in directions within 15′ arc of the nuclear radio source Sgr A. They found that the emission velocities varied from position to position within the range -50 to + 50 km s-1but appeared to lack any overall pattern. In contrast, we have recently observed the recombination line emission from the galactic centre region with a beamwidth of 4′.5 arc, and find strong evidence of ordered motions near the galactic nucleus.
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- Publications of the Astronomical Society of Australia , Volume 3 , Issue 2 , September 1977 , pp. 150 - 152
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- Copyright © Astronomical Society of Australia 1977
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