High resolution sub-millimetre mapping of starburst galaxies: Comparison with CO emission

Details High resolution sub-millimetre mapping of starburst galaxies: Comparison with CO emission High resolution sub-millimetre mapping of starburst galaxies: Comparison with CO emission

Jul 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990nascp3084...81s&link_type=abstract

In NASA, Ames Research Center, The Interstellar Medium in External Galaxies: Summaries of Contributed Papers p 81-83 (SEE N91-14

Astronomy and Astrophysics

Astronomy

Carbon Monoxide, Emission, Hydrogen, Maffei Galaxies, Molecular Clouds, Molecular Gases, Spiral Galaxies, Star Formation, Starburst Galaxies, Submillimeter Waves, Continuums, Cosmic Dust, Excitation, High Resolution, Morphology, Radio Astronomy, Radio Telescopes, Targets

Scientific paper

Researchers present first results from a program of submillimeter continuum mapping of starburst galaxies, and comparison of their dust and CO emission. This project was prompted by surprising results from the first target, the nearby starburst M82, which shows in the dust continuum a morphology quite unlike that of its CO emission, in contrast to what might be expected if both CO and dust are accurately tracing the molecular hydrogen. Possible explanations for this striking difference are discussed. In the light of these results, the program has been extended to include sub-mm mapping of the nearby, vigorously star forming spirals, M83 and Maffei 2. The latter were also observed extensively in CO, in order to study excitation conditions in its central regions. The James Clerk Maxwell Telescope was used in these studies.

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