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X-Ray Polarimetry Workshop SLAC, Stanford, California 9-11 February 2004 |
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NuSTAR – Exploring the Hard X-ray Universe
Grzegorz
Madejski
Stanford Linear Accelerator Center
madejski@slac.stanford.edu
Fiona Harrison (Cal Tech, fiona@srl.caltech.edu); for the NuSTAR Science Team
The Nuclear Spectroscopic Telescope Array (NuSTAR), a proposed SMEX mission, will be the first focusing hard X-ray telescope in Earth orbit, with imaging and spectroscopic capabilities in the 6 - 80 keV band. The telescope will employ an array of grazing-incidence segmented mirrors with depth-graded multilayer coatings to achieve 40 arcsec HPD resolution. This will enable the first true images of extended hard X-ray sources. High resolution also translates to high sensitivity for deep hard X-ray surveys. The telescope mirrors and detectors will be deployed on opposite ends of an extendable mast. The NuSTAR mission has three primary science goals. NuSTAR will make a census of Galactic and extragalactic black holes, with deep imaging surveys of selected region of the sky; it will image Ti-44 line emission in young supernova remnants to study the birth of the elements and supernova dynamics; it will make spectral and time-variability studies of active galactic nuclei, in coordination with GLAST and other gamma-ray telescopes as well as ground-based radio and optical telescopes. In addition to these core programs, NuSTAR will be a new and powerful tool for the study of galactic compact objects, gamma-ray bursts, nearby supernovae, galaxy clusters, and other sources, opening the hard X-ray band to observations with unprecedented resolution and sensitivity.
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For more information, contact
Jennifer Formichelli |
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