Search results for "ISM: individual objects: Tycho's SNR"

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Spatial distribution of X-ray emitting ejecta in Tychos SNR: indications of shocked Titanium

2015

Young supernova remnants show a characteristic ejecta-dominated X-ray emission that allows us to probe the products of the explosive nucleosynthesis processes and to ascertain important information about the physics of the supernova explosions. Hard X-ray observations have recently revealed the radioactive decay lines of 44Ti at ~67.9 keV and ~78.4 keV in the Tycho's SNR. We here analyze the set of XMM-Newton archive observations of the Tycho's SNR. We produce equivalent width maps of the Fe K and Ca XIX emission lines and find indications for a stratification of the abundances of these elements and significant anisotropies. We then perform a spatially resolved spectral analysis by identify…

High Energy Astrophysical Phenomena (astro-ph.HE)PhysicsAstrophysics::High Energy Astrophysical PhenomenaFOS: Physical sciencesAstronomy and AstrophysicsAstrophysicsAstrophysics::Cosmology and Extragalactic AstrophysicsSpectral lineISM: individual objects: Tycho's SNR ISM: supernova remnants X-rays: ISMSupernovaSpace and Planetary ScienceNucleosynthesisAstrophysics::Solar and Stellar AstrophysicsEmission spectrumAstrophysics - High Energy Astrophysical PhenomenaEjectaAnisotropyEquivalent widthRadioactive decayAstrophysics::Galaxy Astrophysics

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