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| Paper: |
Martin Schwarzschild's Contributions to Galaxy Dynamics |
| Volume: |
182, Galaxy Dynamics: A Rutgers Symposium |
| Page: |
3 |
| Authors: |
Merritt, David |
| Abstract: |
Nuclear disks of neutral and ionized gas are common in early-type galaxies. We review their morphological and kinematical characteristics. In many cases they show near-Keplerian rotation curves which allow good estimates of the central black hole masses. They also present a number of puzzles with respect to their origin and stability. |
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