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Classification of Synthetic Spectra of Hydrodynamical Models of 3C 397

Presentation #507.08 in the session “Planetary Nebulae, Supernova Remnants”.

Published onJan 11, 2021
Classification of Synthetic Spectra of Hydrodynamical Models of 3C 397

The hard X-ray spectra of SNR 3C 397 derived from Suzaku and XMM-Newton are distinguished by high abundances of iron group elements including Ni, Cr and Mn. Consequently, 3C 397 is a strong candidate for a near-Mch Type Ia. In this talk, I will present synthetic spectra derived from multidimensional models of SNR 3C 397. We use the FLASH code to generate hydrodynamical models evolved up to homologous expansion, post-processed in Torch and SuperNu to obtain the nucleosynthetic yields and synthetic spectra, respectively. In a novel process, we classify the synthetic spectra using the supernova identification code SNID, and determine the likely SN Ia subclass of the optical counterpart to 3C 397. I conclude with a brief discussion of the relevance of the 3C 397 for the broader progenitor problem of SNe Ia.


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