Probing for High Density Molecular Gas Toward Low Surface Brightness Galaxies

Details Probing for High Density Molecular Gas Toward Low Surface Brightness Galaxies Probing for High Density Molecular Gas Toward Low Surface Brightness Galaxies

Apr 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009atnf.prop.2112c&link_type=abstract

ATNF proposal M399, Semester: April, 2009

Computer Science

Extragalactic, Mopra

Scientific paper

To detect high density molecular gas towards low surface brightness galaxies, we proposed to carry out single pointing observations of HCN (J=1 - 0) with MOPRA. The proposed galaxies has published detections of CO (J=3 - 2) done with the APEX telescope (Galaz et al. 2008), at the 10 mK level. Detecting HCN will probe the presence of dense molecular gas (at densities 10^4 cm^{-3}) which is consistant with a warmer ISM compared with normal spiral galaxies. To carry out this program we request 16 hours.

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