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No supermassive black hole in M33?
(Science, 2001-08-10)
We analyze optical long-slit spectroscopy of the nucleus of M33 obtained from the Space Telescope Imaging Spectrograph aboard the Hubble Space Telescope. Rather than the steep rise expected within the radius of influence ...
Black hole demographics from the M•[BH] − σ[sigma] relation
(Monthly Notices of the Royal Astronomical Society, 2001-01)
We analyze a sample of 32 galaxies for which a dynamical estimate of the mass of the hot stellar component, Mbulge, is available. For each of these galaxies, we calculate the mass of the central black hole, M•, using the ...