Open AccessInner‐shell ionization, radiative losses and thermal conductivity in young SNRs
Author(s) -
Kosenko D. I.
Publication year - 2006
Publication title -
monthly notices of the royal astronomical society
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.058
H-Index - 383
eISSN - 1365-2966
pISSN - 0035-8711
DOI - 10.1111/j.1365-2966.2006.10384.x
Subject(s) - physics , ejecta , ionization , radiative transfer , spectral line , astrophysics , supernova , shell (structure) , deflagration , emission spectrum , atomic physics , radiative cooling , detonation , astronomy , ion , optics , explosive material , chemistry , materials science , organic chemistry , quantum mechanics , composite material
Self‐consistent treatment of time‐dependent ionization in hydrodynamical calculations of the X‐ray emission from young supernova remnants (SNRs) has been performed. The novel feature of the calculations is that Kα lines from species produced by inner‐shell collisional ionization are included. Parameters of the shocked ejecta are found from fitting the model spectrum to the observed one. The application of the method to Tycho SNR using the classical deflagration model W7 for the explosion enables us to well reproduce the observed X‐ray spectra and radial brightness profiles of the remnant.