Wide-Field Mapping of Molecular Gas in Southern Starburst Galaxies

Details Wide-Field Mapping of Molecular Gas in Southern Starburst Galaxies Wide-Field Mapping of Molecular Gas in Southern Starburst Galaxies

Apr 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006atnf.prop..252o&link_type=abstract

ATNF proposal M182, Semester: April, 2006

Other

Extragalactic, Mopra

Scientific paper

Starburst galaxies are the main contributor to the overall star formation activity in the Universe. Most current studies of those objects are restricted to the very inner nuclear region but very little is known about the molecular gas distribution in the disc and the transport of the material toward the nucleus. In addition, many starburst galaxies also exhibit a high star formation rate in the non-nuclear region. We propose to map the entire molecular gas in the 12CO(1-0) line within five very prominent and well known southern starburst galaxies: NGC4945, NGC1365, NGC 300, NGC55, and Cen A. The data will reveal yet unknown molecular gas reservoirs and we will compare their properties to other star formation tracers. We propose to use the on-the-fly capabilities of Mopra and its new receiver and backend. The observations are the very first extragalactic maps with Mopra and will form the base for complementing, targeted NANTEN2, APEX, and ALMA observations.

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