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Flux Contribution and Geometry of the Charge Exchange Emission in the Starburst Galaxy M82
Hiromichi Okon, Randall K. Smith, Adrien picquenot +1
Recent X-ray studies of starburst galaxies have found that Charge eXchange (CX) commonly occurs between the outflowing hot plasma and cold gas, possibly from swept-up clouds. Howev…
Spectral Implications of Atomic Uncertainties in Optically-thin Hot Plasmas
Keri Heuer, Adam R. Foster, Randall Smith
Two new high-resolution X-ray spectroscopy missions, XRISM and Athena, will observe deeper and with higher X-ray resolution than ever before possible. Interpreting these new X-ray…
Plasma Diagnostics of the Supernova Remnant N132D Using Deep XMM-Newton Observations with the Reflection Grating Spectrometer
Hitomi Suzuki, Hiroya Yamaguchi, Manabu Ishida +4
We present XMM-Newton observations of N132D, the X-ray brightest supernova remnant (SNR) in the Large Magellanic Cloud (LMC), using the Reflection Grating Spectrometer (RGS) that e…
Evidence of a Type Ia Progenitor for Supernova Remnant 3C 397
Héctor Martínez-Rodríguez, Laura A. Lopez, Katie Auchettl +6
The explosive origin of the young supernova remnant (SNR) 3C 397 (G41.1-0.3) is debated. Its elongated morphology and proximity to a molecular cloud are suggestive of a core-collap…
Non-equilibrium ionization in mixed-morphology supernova remnants
Gao-Yuan Zhang, Jonathan D. Slavin, Adam Foster +4
The mixed morphology class of supernova remnants (MMSNRs) comprises a substantial fraction of observed remnants and yet there is as yet no consensus on their origin. A clue to thei…
EBIT Observation of Ar Dielectronic Recombination Lines Near the Unknown Faint X-Ray Feature Found in the Stacked Spectrum of Galaxy Clusters
Amy C. Gall, Adam R. Foster, Roshani Silwal +7
Motivated by possible atomic origins of the unidentified emission line detected at 3.55 keV to 3.57 keV in a stacked spectrum of galaxy clusters (Bulbul et al. 2014), an electron b…