Astrophysics Seminars

Jan
14
2014

Institute for Advanced Study Astrophysics Seminar

Solar Chemical Anomalies and Late Accretion
Wick Haxton
11:00am|Bloomberg Hall Astrophysics Library
ABSTRACT: One of the last problems that John Bahcall considered was the solar abundance problem, the conflict between helioseismology, which indicates a high-metallicity solar core, and improved analyses of photospheric absorption lines, which favor...
Nov
26
2013

Institute for Advanced Study Astrophysics Seminar

Science Horizons & Technology Challenges in X-ray Astronomy Beyond Chandra
Alexey Vikhlinin
11:00am|Bloomberg Hall Astrophysics Library

ABSTRACT: A successor to Chandra X-ray observatory will need to at least maintain its excellent angular resolution while massively expanding the throughput. I will discuss a concept and enabling technologies for such a mission, SMART-X, which would...

Nov
21
2013

Institute for Advanced Study Informal Astrophysics Seminar

Building HERA from PAPERclips and Supercomputers
Aaron Parsons
11:00am|Bloomberg Hall, Astrophysics Library

The Precision Array to Probe the Epoch of Reionization (PAPER) is one of several intensity mapping experiments aiming to use redshifted 21cm emission to study our early universe. PAPER is deployed in South Africa, and combines inexpensive...