future events

Seeds of Supermassive Black Holes at High Redshifts

TYPEAstrophysics Seminar
Speaker:Isaac Shlosman
Affiliation:University of Kentucky
Organizer:Hagai Perets
Time:14:30 - 15:30
Location:Lidow 620
Abstract:Detection of quasars at redshifts of ~6-7 provides a challenge to the standard picture of
structure formation in the universe within the hierarchical framework, as the universe is
less than a Gigayear old at this time. What are the seeds of supermassive black holes
that power these luminous objects? After all, massive objects should form late in the
evolution. Did they really form from the remnants of stellar evolution, namely Population III
or II stars? In my talk, I will address various aspects of this problem and discuss alternatives
to the existing paradigm.