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The Australia Telescope National Facility Colloquium
15:00-16:00 Wed 04 Nov 2015

Marsfield Lecture Theatre

Serena Viti

(University College London)

Serena Viti Colloquium: Astrochemistry in external galaxies: how to use molecules as probes of dense gas

Astrochemistry in external galaxies: how to use molecules as probes of dense gas

It is now well established that chemistry in external galaxies is rich and complex. In this talk I will show how molecular emission from external galaxies can be used to explore and characterize the physical conditions and energetics of these galaxies, as well as, possibly, their evolutionary status. I will present examples of the chemical and radiative transfer models that have been developed in recent years to tackle the often unresolved (spatially and spectrally) extragalactic molecular emission. I will then show recent applications of such models in nearby galaxies and how to make molecules into powerful diagnostics of the evolution and distribution of molecular gas.


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Matthew Kerr

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