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Department of Astronomy pres.

Astronomy Colloquium Series Presents

Dr. Brian McNamara, Professor; Department Chair; University Research Chair in Astrophysics, University of Waterloo

Dr. Brian McNamara Dr. Brian McNamara
Dr. Brian McNamara
“Origin of Molecular Clouds in Early Type Galaxies”

The Atacama Large Millimeter Array has changed our view of molecular clouds in central cluster galaxies. Unlike spiral galaxies where molecular gas lies in a disk moving in ordered motion about the center of the galaxy, molecular clouds in cluster centrals likely form in the updrafts of rising radio bubbles. Less is known about molecular gas in normal giant ellipticals. However, trends between the thermodynamic properties of the hot atmospheres in normal elliptcals and cluster centrals suggests much of the molecular gas in ellipticals condensed from their hot atmospheres.

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