Black Hole - Bulge "correlation"

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Chapter 7


The currently popular story, illustrated in the first graph, posits that the total mass in the bulge of old stars swarming around the central regions of a galaxy is directly related to the mass of the black hole that resides in the galaxy's core. The actual data are plotted in the second graph. The lower-right quadrant of this graph is unpopulated, but this may be the result of the selection effect described in the text.

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Illustration: BH-Bulge Illustration: BH-Bulge "correlation"
Graph: BH - Bulge Graph: BH - Bulge "correlation"