The Formation of Molecular Clouds in our Galaxy

Details The Formation of Molecular Clouds in our Galaxy The Formation of Molecular Clouds in our Galaxy

Oct 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010atnf.prop.3592b&link_type=abstract

ATNF proposal M446, Semester: October, 2010

Physics

Star Formation, Interstellar Medium In And Around The Milky Way, Mopra

Scientific paper

We propose a major program to observe, for the first time, the formation of molecular clouds in our Galaxy. This program makes use of the Mopra, NANTEN2 and STO telescopes to measure the principal cooling lines from the molecular, atomic and ionized gas in the interstellar medium in the galactic plane. These lines (CO, CI, CII & NII), emitted in the mm, sub-mm and THz bands, provide diagnostics which can trace the state of the gas, including when and where molecular cloud formation is taking place. With Mopra we will map the distribution of the isotopologues of the CO molecule along a sector of Fourth Quadrant of the Galaxy. Having verified the technique of "fast mapping" with Mopra, we now wish to begin the program by mapping a 2x2 degree region of this sector, crossing from the edge of a spiral arm into the inter-arm gas.

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