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- The black hole mass-galaxy age relation
- Merrifield, Michael R.; Forbes, Duncan A.; Terlevich, Alejandro I.
- We present evidence that there is a significant correlation between the fraction of the mass of a galaxy that lies in its central black hole and the age of the galactic stellar population. Since the absorption-line indices that are used to estimate the age are luminosity-weighted, they essentially measure the time since the last significant episode of star formation in the galaxy. The existence of this correlation is consistent with several theories of galaxy formation, including the currently favoured hierarchical picture of galaxy evolution, which predicts just such a relation between the black hole mass and the time since the last burst of merger-induced star formation. It is not consistent with models in which the massive black hole is primordial, and hence uncoupled from the stellar properties of the galaxy.
- Publication type
- Journal article
- Research centre
- Swinburne University of Technology. School of Biophysical Sciences and Electrical Engineering
- Monthly notices of the Royal Astronomical Society, Vol. 313, no. 2 (Apr. 2000), pp. L29-L32
- Publication year
- black hole physics; galaxies: formation; galaxies: nuclei; quasars: general
- Blackwell Science
- Publisher URL
- Copyright © 2000 The Royal Astronomical Society. Author's final draft reproduced here in accordance with the copyright policy of the publisher.
- Full text
- Peer reviewed