Bulletin of the American Physical Society
2007 APS April Meeting
Volume 52, Number 3
Saturday–Tuesday, April 14–17, 2007; Jacksonville, Florida
Session Y3: Black Holes of All Sizes |
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Sponsoring Units: DAP Chair: Tod Strohmayer, NASA-GSFC Room: Hyatt Regency Jacksonville Riverfront Grand 2 |
Tuesday, April 17, 2007 1:30PM - 2:06PM |
Y3.00001: Supermassive Black Holes Invited Speaker: Recent data indicates that almost all galaxies possess a supermassive black hole at their center. When gas accretes onto the black hole it heats-up and shines, resulting in the appearance of a bright quasar. The earliest quasars are found to exist only a billion years after the big-bang. I will describe recent observations of both the nearest and the most distant supermassive black holes in the universe. The formation and evolution of the black hole population can be described in the context of popular models for galaxy formation. I will describe the key questions that drive current research on supermassive black holes and present theoretical work on the radiative and hydrodynamic effects that quasars have on their cosmic habitat. Within the coming decade it would be possible to test general relativity by monitoring over time, and possibly even imaging, the polarized emission from hot spots around the black hole in the center of our Galaxy (SgrA*). [Preview Abstract] |
Tuesday, April 17, 2007 2:06PM - 2:42PM |
Y3.00002: Intermediate Mass Black Holes and Ultraluminous X-Ray Sources Invited Speaker: Black holes with masses intermediate between the known stellar-mass and supermassive black holes are of great interest because they may represent an intermediate stage in the formation of supermassive black holes and could be strong gravitational wave sources. Such intermediate mass black holes may form in the collapse of the first generation of stars or via collisions in the cores of dense stellar clusters. Such objects may be visible as extremely bright X-ray sources in external galaxies. I review recent observational results and theoretical work on intermediate mass black holes and ultraluminous X-ray sources. [Preview Abstract] |
Tuesday, April 17, 2007 2:42PM - 3:18PM |
Y3.00003: Stellar Black Holes Invited Speaker: |
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