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Gas kinematics and the black hole mass at the center of the radio galaxy NGC 4335
(Astronomical Journal, 2002-11)
We investigate the kinematics of the central gas disk of the radio-loud elliptical galaxy NGC 4335, derived from Hubble Space Telescope (HST) long-slit spectroscopic observations of Ha+ [Nii] along three parallel slit ...
Triaxial black-hole nuclei
(University of Chicago Press: Astrophysical Journal Letters, 2002-04-01)
We demonstrate that the nuclei of galaxies containing supermassive black holes can be triaxial in shape. Schwarzschild’s method was first used to construct self-consistent orbital superpositions representing nuclei with ...
Galaxy cores as relics of black hole mergers
(Blackwell Pubilshing, 2002-04)
We investigate the hypothesis that the cores of elliptical galaxies and bulges are created from the binding energy liberated by the coalescence of supermassive binary black holes during galaxy mergers. Assuming that the ...