Dense molecular gas in galaxies and the evolution of luminous infrared galaxies

Details Dense molecular gas in galaxies and the evolution of luminous infrared galaxies Dense molecular gas in galaxies and the evolution of luminous infrared galaxies

May 1996

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996phdt........56g&link_type=abstract

PhD thesis SUNY at Stony Brook

Computer Science

28

Scientific paper

This thesis explores the molecular gas (the raw material for star formation), especially the dense molecular gas content of luminous infrared galaxies (LIRGs) and ``normal'' galaxies using millimeter line observations. Most LIRGs are closely interacting/merging galaxies and ``normal'' spiral galaxies are believed to be the building blocks of LIRGs. We here study and compare the distributions and masses of the total molecular gas and the dense molecular gas, traced by CO and HCN emission respectively, in LIRGs, starburst galaxies and ``normal'' spiral galaxies. The molecular gas properties are then compared with the stages of galaxy-galaxy interaction and the far-IR luminosity to understand the star formation process and evolution of LIRGs. (abridged)

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