A dense molecular ring surrounding the nonthermal Galactic center radio shell G359.1 - 0.5

Details A dense molecular ring surrounding the nonthermal Galactic center radio shell G359.1 - 0.5 A dense molecular ring surrounding the nonthermal Galactic center radio shell G359.1 - 0.5

Oct 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992apj...398..128u&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 398, no. 1, p. 128-138.

Astronomy and Astrophysics

Astronomy

29

Galactic Nuclei, Galactic Structure, Molecular Clouds, O Stars, Radio Sources (Astronomy), Carbon Monoxide, Galactic Rotation, Point Sources, Stellar Winds, Supernova Remnants, Very Large Array (Vla)

Scientific paper

The paper reports the detection of a dense nearly-continuous ring of molecular CO gas centered on, and concentric with, the nonthermal radio continuum shell G359.1 - 0.5. The molecular feature has radial velocities between -60 and -190 km/sec, indicating that it is likely to be located at the distance of the Galactic center. Its diameter is then about 75 pc. It is hypothesized that the expansion of CO ring was initiated by the winds, radiation, and supernova ejecta from a massive central cluster of O-type stars.

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