AST/RO survey of the Galactic Center: Clumps 1 & 2 in 13CO(2-1), CO(4-3), and [CI]

Details AST/RO survey of the Galactic Center: Clumps 1 & 2 in 13CO(2-1), CO(4-3), and [CI] AST/RO survey of the Galactic Center: Clumps 1 & 2 in 13CO(2-1), CO(4-3), and [CI]

Dec 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005aas...20718111m&link_type=abstract

American Astronomical Society Meeting 207, #181.11; Bulletin of the American Astronomical Society, Vol. 37, p.1462

Astronomy and Astrophysics

Astronomy

Scientific paper

Clumps 1 & 2 are giant molecular clouds of unusually large line-width associated with the bar of the Milky Way and are located just a few degrees away from the Galactic Center. We present fully-sampled maps in 13CO (J = 2 - 1), CO (J = 4 - 3) and [CI] (3P1 - 3P0) with a velocity resolution of 0.6 km/s, a spatial resolution of 2 arcmin, and an area of one square degree, requiring over 10,000 spectra in each transition. Using a large velocity gradient (LVG) analysis we show the tidally shocked nature of the gas as it interacts with the bar-shaped gravitational potential of the Milky Way.
This research was supported by the National Science Foundation under grant number ANT-0126090.

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