Molecules and dust in galaxy nuclei: a few ideas from ALMA

Details Molecules and dust in galaxy nuclei: a few ideas from ALMA Molecules and dust in galaxy nuclei: a few ideas from ALMA

Jan 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005esasp.577..129b&link_type=abstract

In: Proceedings of the dusty and molecular universe: a prelude to Herschel and ALMA, 27-29 October 2004, Paris, France. Ed. by A

Physics

1

Galaxies: Ism, Galaxies: Nuclei, Radio Lines: Galaxies

Scientific paper

For current millimeter interferometers, sensitivity considerations typically limit high-resolution mapping of galactic nuclei to transitions of the dominant CO isotopomer. Once ALMA arrives, CO will still be useful as a probe of the nuclear geometry, kinematics, and heating on the smallest possible scales. However, high-resolution observations of less abundant molecular species, tracing a wider range of physical conditions, should become nearly as routine. I discuss two of these probes (SiO and HCN) and what they may be able to tell us about the properties of dust and molecular gas in galactic nuclei.

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