The organic repository in the Central Molecular Zone of the Galaxy

Details The organic repository in the Central Molecular Zone of the Galaxy The organic repository in the Central Molecular Zone of the Galaxy

Apr 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007atnf.prop..663b&link_type=abstract

ATNF proposal M170, Semester: April, 2007

Physics

Galactic, Mopra

Scientific paper

We propose to investigate the extent and inventory of the organic repository that resides in the Central Molecular Zone (CMZ) of the Galaxy. This is a unique region, where complex organic molecules are spread over 100pc-scales around the Galaxy's centre, quite unlike the compact distribution of organics found within hot cores inside giant molecular clouds (GMCs). The advent of the wide-band correlator at Mopra, together with OTF mapping, now makes such a project possible. In 2006 we conducted a pilot study to demonstrate its feasibility. We now propose a three-year program to map the CMZ, and so determine the distribution of 32 molecular lines, emitted in two frequency bands between 81 and 99 GHz. This will allow us to determine the physical environment across the CMZ and to address the questions of what makes this different from GMCs in the Galactic Ring, why are the organics so widespread there, and what is their connection to the ongoing massive star formation prevelant across the central regions of our Galaxy?

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