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Uniform Contribution of Supernova Explosions to the Chemical Enrichment of Abell 3112 out to R200
Cemile Ezer, Esra Bulbul, E. Nihal Ercan +5
The spatial distribution of the metals residing in the intra-cluster medium (ICM) of galaxy clusters records all the information on a cluster's nucleosynthesis and chemical enrichm…
Searching for the 3.5 keV Line in the Stacked Suzaku Observations of Galaxy Clusters
Esra Bulbul, Maxim Markevitch, Adam Foster +5
We perform a detailed study of the stacked Suzaku observations of 47 galaxy clusters, spanning a redshift range of 0.01-0.45, to search for the unidentified 3.5 keV line. This samp…
The Refined Shock Velocity of the X-Ray Filaments in the RCW 86 Northeast Rim
Hiroya Yamaguchi, Satoru Katsuda, Daniel Castro +5
A precise measurement of shock velocities is crucial for constraining the mechanism and efficiency of cosmic-ray (CR) acceleration at supernova remnant (SNR) shock fronts. The nort…
The Impact of Accurate Extinction Measurements for X-ray Spectral Models
Randall K. Smith, Lynne A. Valencic, Lia Corrales
Interstellar extinction includes both absorption and scattering of photons from interstellar gas and dust grains, and it has the effect of altering a source's spectrum and its tota…