NASA NTRS · 20120015012
Crab Nebula Variations in Hard X-rays
Abstract
The Crab Nebula was surprisingly variable from 2001-2010, with less variability before 2001 and since mid-2010. We presented evidence for spectral softening from RXTE, Swift/BAT, and Fermi GBM during the mid-2008-2010 flux decline. We see no clear connections between the hard X-ray variations and the GeV flares
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Wilson-Hodge, Colleen A.. 2012-07-04. Crab Nebula Variations in Hard X-rays. https://ntrs.nasa.gov/citations/20120015012
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