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High-Energy Non-Thermal and Thermal Emission from GRB141207A detected by Fermi
Makoto Arimoto, Katsuaki Asano, Masanori Ohno +5
The bright long gamma-ray burst GRB 141207A was observed by the {\it Fermi Gamma-ray Space Telescope} and detected by both instruments onboard. The observations show that the spect…
Two Distinct-Absorption X-Ray Components from Type IIn Supernovae: Evidence for Asphericity in the Circumstellar Medium
Satoru Katsuda, Keiichi Maeda, Aya Bamba +7
We present multi-epoch X-ray spectral observations of three Type IIn supernovae (SNe) 2005kd, 2006jd, and 2010jl, acquired with Chandra, XMM-Newton, Suzaku, and Swift. Previous ext…
Fermi Large Area Telescope Detection of Extended Gamma-Ray Emission from the Radio Galaxy Fornax A
LAT Collaboration
We report the Fermi Large Area Telescope detection of extended gamma-ray emission from the lobes of the radio galaxy Fornax A using 6.1 years of Pass 8 data. After Centaurus A, thi…
Fermi LAT Stacking Analysis of Swift Localized Gamma-ray Bursts
LAT Collaboration
We perform a comprehensive stacking analysis of data collected by the Fermi Large Area Telescope (LAT) of gamma-ray bursts (GRB) localized by the Swift spacecraft, which were not d…
Fe-K Line Time variability and Ni abundance of Distant Reflector in Seyfert Galaxies
Yasushi Fukazawa, Shun'ya Furui, Kazuma Hayashi +3
We have performed systematic studies of narrow Fe-K line (6.4 keV) flux variability and Ni-K line intensity for Seyfert galaxies, using {\em Suzaku} and {\em XMM-Newton} archival d…
X-ray Spectral Model of Reprocessing by Smooth and Clumpy Molecular Tori in Active Galactic Nuclei with the MONACO framework
Shun'ya Furui, Yasushi Fukazawa, Hirokazu Odaka +3
We construct an X-ray spectral model of reprocessing by a torus in an active galactic nucleus (AGN) with a Monte Carlo simulation framework MONACO. Two torus geometries of smooth a…