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Testing the cooling flow model in the intermediate polar EX Hydrae
G. J. M. Luna, J. C. Raymond, N. S. Brickhouse +3
We use the best available X-ray data from the intermediate polar EX Hydrae to study the cooling-flow model often applied to interpret the X-ray spectra of these accreting magnetic…
A Chandrasekhar Mass Progenitor for the Type Ia Supernova Remnant 3C 397 from The Enhanced Abundances of Nickel and Manganese
Hiroya Yamaguchi, Carles Badenes, Adam R. Foster +8
Despite decades of intense efforts, many fundamental aspects of Type Ia supernova (SNe Ia) remain elusive. One of the major open questions is whether the mass of the exploding whit…
Resolving the Origin of the Diffuse Soft X-ray Background
Randall K. Smith, Adam R. Foster, Richard J. Edgar +1
The ubiquitous diffuse soft (1/4 keV) X-ray background was one of the earliest discoveries of X-ray astronomy. At least some of the emission may arise from charge exchange between…
New Evidence for Efficient Collisionless Heating of Electrons at the Reverse Shock of a Young Supernova Remnant
Hiroya Yamaguchi, Kristoffer A. Eriksen, Carles Badenes +7
Although collisionless shocks are ubiquitous in astrophysics, certain key aspects of them are not well understood. In particular, the process known as collisionless electron heatin…
Updated Atomic Data and Calculations for X-ray Spectroscopy
A. R. Foster, L. Ji, R. K. Smith +1
We describe the latest release of AtomDB, version 2.0.2, a database of atomic data and a plasma modeling code with a focus on X-ray astronomy. This release includes several major u…
A New Calculation of Ne IX Line Diagnostics
Randall K. Smith, Guo-Xin Chen, Kate Kirby +1
We describe the effect that new atomic calculations, including fully-relativistic R-matrix calculations of collisional excitation rates and level-specific dielectronic and radiativ…
Suzaku Monitoring of the Iron K Emission Line in the Type 1 AGN NGC 5548
Yuan Liu, Martin Elvis, Ian M. McHardy +10
We present 7 sequential weekly observations of NGC 5548 conducted in 2007 with the \textit{Suzaku} X-ray Imaging Spectrometer (XIS) in the 0.2-12 keV band and Hard X-ray Detector (…