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Dynamical family properties and dark halo scaling relations of giant elliptical galaxies
Ortwin Gerhard, Andi Kronawitter, R. P. Saglia +1
Based on a uniform dynamical analysis of line-profile shapes for 21 luminous round elliptical galaxies, we have investigated the dynamical family relations of ellipticals: (i) The…
Evidence of a Supermassive Black Hole in the Galaxy NGC 1023 from the Nuclear Stellar Dynamics
G. A. Bower, R. F. Green, R. Bender +13
We analyze the nuclear stellar dynamics of the SB0 galaxy NGC 1023, utilizing observational data both from the Space Telescope Imaging Spectrograph aboard the Hubble Space Telescop…
The evolution of the color gradients of early-type cluster galaxies
R. P. Saglia, C. Maraston, L. Greggio +2
We investigate the origin of color gradients in cluster early-type galaxies to probe whether pure age or pure metallicity gradients can explain the observed data in local and dista…
Black Hole Mass Estimates from Reverberation Mapping and from Spatially Resolved Kinematics
Karl Gebhardt, John Kormendy, Luis Ho +12
Black hole (BH) masses that have been measured by reverberation mapping in active galaxies fall significantly below the correlation between bulge luminosity and BH mass determined…
A Relationship Between Nuclear Black Hole Mass and Galaxy Velocity Dispersion
Karl Gebhardt, Ralf Bender, Gary Bower +12
We describe a correlation between the mass M_BH of a galaxy's central black hole and the luminosity-weighted line-of-sight velocity dispersion sigma_e within the half-light radius.…
The Nuclear Dynamics of M32. I. Data and Stellar Kinematics
C. Joseph, D. Merritt, R. Olling +3
We have obtained optical long-slit spectroscopy of the nucleus of M32 using the Space Telescope Imaging Spectrograph aboard the Hubble Space Telescope. The stellar rotation velocit…