The KOSMA large-scale CO survey of clouds in the Galactic Molecular Ring

Details The KOSMA large-scale CO survey of clouds in the Galactic Molecular Ring The KOSMA large-scale CO survey of clouds in the Galactic Molecular Ring

Feb 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004ap%26ss.289..255b&link_type=abstract

Astrophysics and Space Science, v. 289, Issue 3, p. 255-258 (2004).

Astronomy and Astrophysics

Astrophysics

Galactic Molecular Ring, Star Formation, Ism, Cloud Structure

Scientific paper

We present the status of the KOSMA large-scale observations of clouds in the Galactic Molecular Ring (GMR) in CO J=3-2, 2-1 and 13CO 2-1 following up on the BU-FCRAO 13CO 1-0 survey. The GMR is one of the prominent large scale structures in the Milky Way and an interesting laboratory to studystar formation. Whereas the 13CO data yield a good measureof the overall column density structure, the new observations of CO 2-1provide a picture of the thin extended gas and the CO 3-2 data show thedistribution of the dense and warm molecular gas. The combination of observations of these lines thus allows to distinguish between extended,quiescent gas, dense cold parts, and warm regions, influenced by star formation. In performing large scale observations we are able to analysethe structure of this material.

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