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- catalog abstract "Lecturer compares current estimates of the mass density in supermassive black holes to the quasar era, using dynamical mass estimates in local quiescent galaxies, reverberation mapping in active galaxies and quasars, and estimates of the mean density of compact objects based on quasar optical counts and observations of the X-ray background. Also discusses how observations can be used to learn about the formation and evolution of black holes and of the host stellar systems.".
- catalog contributor b12445881.
- catalog contributor b12445882.
- catalog created "[2002]".
- catalog date "2002".
- catalog date "[2002]".
- catalog dateCopyrighted "[2002]".
- catalog description "Lecture held at Phillips Auditorium, Harvard College Observatory, March 7, 2002.".
- catalog description "Lecturer compares current estimates of the mass density in supermassive black holes to the quasar era, using dynamical mass estimates in local quiescent galaxies, reverberation mapping in active galaxies and quasars, and estimates of the mean density of compact objects based on quasar optical counts and observations of the X-ray background. Also discusses how observations can be used to learn about the formation and evolution of black holes and of the host stellar systems.".
- catalog description "VHS.".
- catalog extent "1 videocassette (68 min.) :".
- catalog isPartOf "CfA colloquium".
- catalog issued "2002".
- catalog issued "[2002]".
- catalog language "eng".
- catalog requires "VHS.".
- catalog subject "Active galaxies.".
- catalog subject "Black holes (Astronomy)".
- catalog subject "Galactic nuclei.".
- catalog subject "Quasars.".
- catalog title "Black hole demographics [videorecording] / Laura Ferrarese.".
- catalog type "Videotapes. local".
- catalog type "image".