AAS 207th Meeting, 8-12 January 2006
Session 181 Probing the Galactic Center
Poster, Thursday, 9:20am-4:00pm, January 12, 2006, Exhibit Hall

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

C. L. Martin (Oberlin College), Antarctic Sub-mm Telescope / Remote Observatory (AST/RO) Team

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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