2 papers
astro-ph2003
The AGN-Disk Dynamics Connection
J. A. Sellwood, Juntai Shen
Any connection between central activity and the large-scale dynamics of disk galaxies requires an efficient mechanism to remove angular momentum from the orbiting material. The onl…
astro-ph2003
The Survival of Bars with Central Mass Concentrations
Juntai Shen, J. A. Sellwood
Many barred galaxies today harbor massive concentrations of gas in their centers, and some are known to possess supermassive black holes (SBHs) and their associated stellar cusps.…