AAS 207th Meeting, 8-12 January 2006
Session 81 ISM: From Dark to Blinded
Poster, Tuesday, 9:20am-6:30pm, January 10, 2006, Exhibit Hall

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[81.24] Results from the Nobeyama/CSO/ASTE Galactic plane CO survey

J. Koda (Caltech), T. Sawada (Nobeyama Radio Observatory)

We present the first results from our Galactic CO survey. We observed a test region in the Galactic plane (0.35deg x 0.5deg) in 12 & 13 CO J=1-0, 2-1, 3-2 lines. We used the Nobeyama 45m telescope, Caltech Sumbillimeter Observatory (CSO), and Atacama Submillimeter Telescope Experiment (ASTE). We found that the molecular gas in interarm regions don't have clumpy structure and is largely extended, although the gas in arms is clumpy. The ratio analyses among the transitions indicate that the interarm gas is cooler than the arm gas.

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Bulletin of the American Astronomical Society, 37 #4
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