Astrophysics Seminars

Jun
09
2011

Institute for Advanced Study Informal Astrophysics Seminar

Searching for Binary Supermassive Black Holes: from Tens of kpc to kpc Scales
Yue Shen
11:30am|Bloomberg Hall Astrophysics Library
ABSTRACT: Binary SMBHs are generic outcomes of hierarchical galaxy mergers. They are of great value in understanding the role of galaxy mergers in AGN fueling and the interplay between SMBHs and their hosts, as well as predictions for future...
Jun
02
2011

Institute for Advanced Study Informal Astrophysics Seminar

Satellite Supported Estimates of Human Rate of NPP Carbon Use on Land: Challenges Ahead
Marc Imhoff
11:30am|Bloomberg Hall Astrophysics Library
ABSTRACT: The human demand for products of photosynthesis is a powerful measure of the aggregate impact of human action on the biosphere and indicator of societal vulnerability to climate change. We show results from several studies that use...
May
26
2011

Institute for Advanced Study Informal Astrophysics Seminar

Cosmology with Supernovae: Progress and Prospects
Saurabh Jha
11:30am|Bloomberg Hall Astrophysics Library
ABSTRACT: Type Ia supernovae (SN Ia) are exquisite tools with which to trace the history of cosmic expansion, and they have a starring role in attempts to understand the dark energy that drives our accelerating Universe. Current supernova samples...
May
10
2011

Institute for Advanced Study Astrophysics Seminar

Shear-driven Turbulence on Earth and in Space
Jeremy Goodman
11:00am|Bloomberg Hall Astrophysics Library
ABSTRACT: Motivated by astronomical accretion disks in which magnetorotational instability (MRI) may be locally or episodically suppressed, such as protostellar disks, recent laboratory experiments have studied hydrodynamic turbulence in rotating...