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The Cluster Velocity Dispersion of the Abell 2199 cD Halo of NGC 6166
Ralf Bender, John Kormendy, Mark E. Cornell +1
The Hobby-Eberly Telescope is used to measure the velocity dispersion profile of the nearest prototypical cD galaxy, NGC 6166 in cluster Abell 2199. We also present surface photome…
Supermassive black holes do not correlate with galaxy disks or pseudobulges
John Kormendy, R. Bender, M. E. Cornell
The masses of supermassive black holes are known to correlate with the properties of the bulge components of their host galaxies. In contrast, they appear not to correlate with gal…
Bulgeless Giant Galaxies Challenge our Picture of Galaxy Formation by Hierarchical Clustering
John Kormendy, Niv Drory, Ralf Bender +1
We dissect giant Sc-Scd galaxies with Hubble Space Telescope photometry and Hobby-Eberly Telescope spectroscopy. We use HET's High Resolution Spectrograph (resolution = 15,000) to…