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. Author manuscript; available in PMC: 2018 Feb 1.
Published in final edited form as: Astrophys J. 2017 Jan 24;835(2):140. doi: 10.3847/1538-4357/835/2/140

Figure 4.

Figure 4

Coordinated CXO (squares) and NuSTAR (filled dots) observations of SN 2014C revealed an X-ray thermally emitting plasma with characteristic temperature T ~ 20 keV and an absorption decreasing with time (middle and bottom panels on the right). The best-fitting bremsstrahlung model is represented with a thick colored line in each panel on the left and reproduced with gray lines in the other panels for comparison. An excess of emission around 6.7–6.9 keV is clearly detected at all epochs. We associate this emission with He-like and H-like Fe transitions. The upper right panel potrays the density profile of the environment as constrained by these observations and our modeling in Section 4.