| Date |
Time
|
Location
|
Speaker
|
Affiliation
|
Title
|
Abstract
|
September 5th
|
3:00 pm |
3rd floor Lecture Theatre |
Xiaohui Fan |
Steward Observatory, University of Arizona |
Coevolution of the Earliest Supermassive Black Holes and Their Host Galaxies |
Discoveries of luminous quasars at z>6 indicate the existence of billion solar mass black holes at the end of cosmic reionization, merely a few hundred million years after the big bang. This rapid growth of supermaissve black hole population in the early universe is surprising and poses challenges to the theory of black hole and galaxy formation. I will first describe measurements of accretion properties of the earliest quasars, then focus on new ALMA, HST and ground observations to study the star formation process in their host galaxies. In particular, I will highly exciting new ALMA observations that suggest strong evolution in the relation between the masses of black holes and their host galaxies (M-sigma relation). |
September 12th
|
3:00 pm |
3rd floor Lecture Theatre |
Cosimo Bambi |
Fudan University |
Testing the nature of astrophysical black hole candidates |
Astrophysical black hole candidates are thought to be the Kerr black holes predicted in general relativity, but the actual nature of these objects has still to be verified. The study of the properties of the electromagnetic radiation emitted by the gas in the accretion disk can potentially test the geometry of the space-time around these objects and confirm the Kerr black hole paradigm. While some exotic solutions can already be ruled out by current data, it is intrinsically difficult to probe the metric around black hole candidates, because non-Kerr objects may mimic the features of Kerr black holes with different spin parameter. |
October 17th
|
3:00 pm |
3rd floor middle conference room |
Albert Stebbins |
Fermilab |
TBC |
TBC |
October 21th
|
3:00 pm |
3rd floor Lecture Theatre |
Prof. Péter Mészáros |
Penn State |
Gamma Ray Bursts: Connections to Supernovae and Cosmology |
TBC |
October 24th
|
3:00 pm |
3rd floor Lecture Theatre |
Daniel Wang |
University of Massachusetts |
TBC |
TBC |
October 31th
|
3:00 pm |
3rd floor Lecture Theatre |
Bruce G. Elmegreen |
IBM Watson Lab |
TBC |
TBC |
November 7th
|
3:00 pm |
3rd floor Lecture Theatre |
JunXian Wang |
USTC |
TBC |
TBC |
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