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- Title
The role of black holes in galaxy formation and evolution.
- Authors
Cattaneo, A.; Faber, S. M.; Binney, J.; Dekel, A.; Kormendy, J.; Mushotzky, R.; Babul, A.; Best, P. N.; Brüggen, M.; Fabian, A. C.; Frenk, C. S.; Khalatyan, A.; Netzer, H.; Mahdavi, A.; Silk, J.; Steinmetz, M.; Wisotzki, L.
- Abstract
Virtually all massive galaxies, including our own, host central black holes ranging in mass from millions to billions of solar masses. The growth of these black holes releases vast amounts of energy that powers quasars and other weaker active galactic nuclei. A tiny fraction of this energy, if absorbed by the host galaxy, could halt star formation by heating and ejecting ambient gas. A central question in galaxy evolution is the degree to which this process has caused the decline of star formation in large elliptical galaxies, which typically have little cold gas and few young stars, unlike spiral galaxies.
- Subjects
SUPERMASSIVE black holes; COMPACT objects (Astronomy); GRAVITATIONAL collapse; QUASARS; STAR formation; GALAXY formation; ELLIPTICAL galaxies; GALACTIC nuclei
- Publication
Nature, 2009, Vol 460, Issue 7252, p213
- ISSN
0028-0836
- Publication type
Article
- DOI
10.1038/nature08135