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NuSTAR measurement of the cosmic X-ray background in the 3-20 keV energy band
Roman Krivonos, Daniel Wik, Brian Grefenstette +5
We present measurements of the intensity of the Cosmic X-ray Background (CXB) with the NuSTAR telescope in the 3-20 keV energy range. Our method uses spatial modulation of the CXB…
Imaging the 511 keV positron annihilation sky with COSI
Thomas Siegert, Steven E. Boggs, John A. Tomsick +10
The balloon-borne Compton Spectrometer and Imager (COSI) had a successful 46-day flight in 2016. The instrument is sensitive to photons in the energy range - MeV. Compton t…
NuSTAR observations of G11.2-0.3
K. K. Madsen, C. L. Fryer, B. W. Grefenstette +3
We present in this paper the hard X-ray view of the pulsar wind nebula in G11.2-0.3 and its central pulsar PSR J1811-1925 as seen by NuSTAR. We complement the data with Chandra for…
Modeling Aerial Gamma-Ray Backgrounds using Non-negative Matrix Factorization
M. S. Bandstra, T. H. Y. Joshi, K. J. Bilton +2
Airborne gamma-ray surveys are useful for many applications, ranging from geology and mining to public health and nuclear security. In all these contexts, the ability to decompose…