Black hole growth and host galaxy morphology

Kevin Schawinski, C. Megan Urry, Shanil Virani, Paolo Coppi, Steven P. Bamford, Ezequiel Treister, Chris J. Lintott, Marc Sarzi, William C. Keel, Sugata Kaviraj, Carolin N. Cardamone, Karen L. Masters, Nicholas P. Ross

Research output: Chapter in Book/Report/Conference proceedingChapter


We use data from large surveys of the local universe (SDSS+Galaxy Zoo) to show that the galaxy–black hole connection is linked to host morphology at a fundamental level. The fraction of early-type galaxies with actively growing black holes, and therefore the AGN duty cycle, declines significantly with increasing black hole mass. Late-type galaxies exhibit the opposite trend: the fraction of actively growing black holes increases with black hole mass.
Original languageEnglish
Title of host publicationCo-Evolution of Central Black Holes and Galaxies
EditorsBradley M. Peterson, Rachel S. Sommerville, Thaisa Storchi-Bergmann
Place of PublicationCambridge
PublisherCambridge University Press
ISBN (Print)9780521765022
Publication statusPublished - 2010

Publication series

NameProceedings of the International Astronomical Union Symposia and Colloquia
PublisherCambridge University Press


  • galaxies: evolution
  • galaxies: Seyfert
  • galaxies: active


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