SIMBAD references

2017ApJ...847..121A - Astrophys. J., 847, 121-121 (2017/October-1)

An XMM-Newton study of the mixed-morphology supernova remnant G346.6-0.2.


Abstract (from CDS):

We present an X-ray imaging and spectroscopic study of the molecular cloud interacting mixed-morphology supernova remnant G346.6-0.2 using XMM-Newton. The X-ray spectrum of the remnant is well described by a recombining plasma that most likely arises from adiabatic cooling and has subsolar abundances of Mg, Si, and S. Our fits also suggest the presence of either an additional power-law component with a photon index of ∼2 or an additional thermal component with a temperature of ∼2.0 keV. We investigate the possible origin of this component and suggest that it could arise from either the Galactic ridge X-ray emission, an unidentified pulsar wind nebula, or X-ray synchrotron emission from high-energy particles accelerated at the shock. However, deeper, high-resolution observations of this object are needed to shed light on the presence and origin of this feature. Based on its morphology, its Galactic latitude, the density of the surrounding environment, and its association with a dense molecular cloud, G346.6-0.2 most likely arises from a massive progenitor that underwent core collapse.

Abstract Copyright: © 2017. The American Astronomical Society. All rights reserved.

Journal keyword(s): ISM: individual: G346.6-0.2 - ISM: supernova remnants - X-rays: ISM - X-rays: ISM

Nomenclature: Tables 3-4: [ANW2017] NN (Nos 1-25).

Status at CDS : All or part of tables of objects could be ingested in SIMBAD with priority 2.

Simbad objects: 16

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