84 citations · 86 across the 2 of their papers we have counts for
2 papers
astro-ph.HE2019★ 2 cited
Positron Annihilation in the Galaxy
Carolyn A. Kierans, John F. Beacom, Steve Boggs +27
The 511 keV line from positron annihilation in the Galaxy was the first -ray line detected to originate from outside our solar system. Going into the fifth decade since the disc…
astro-ph.HE2014★ 84 cited
The variable hard X-ray emission of NGC4945 as observed by NuSTAR
Simonetta Puccetti, Andrea Comastri, Fabrizio Fiore +19
We present a broadband (~0.5-79 keV) spectral and temporal analysis of multiple NuSTAR observations combined with archival Suzaku and Chandra data of NGC4945, the brightest extraga…