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Title	A systematic meta-analysis of physical parameters of Galactic supernova remnants
Alternative Title	Συστηματική μετα-ανάλυση φυσικών παραμέτρων γαλαξιακών υπολειμμάτων υπερκαινοφανούς
Author	Χουσεΐν-Μπασιά, Ισά
Author	Hussein-Bassia, Issa
Thesis advisor	Ζέζας, Ανδρέας
Abstract	Supernova remnants (SNRs) are the aftermath of massive stellar explosions, representing critical phases in the life cycle of stars and playing an important role in galactic evolution. This study delves into the properties and evolution of Galactic SNRs through a comprehensive statistical analysis of shock velocity, electron density and age data. Our study provides, for the first time, a picture of the statistics of 62 Galactic SNRs both as a population and as regions within individual objects and offers insights into their diverse properties and evolutionary paths. Diverse shock velocity data (including upper and lower limits) and the ages of the SNRs, processed using a Monte Carlo sampling approach, are compared with the theoretical evolution model of Cioffi et al. We find good agreement between the data and the model. Analysis of electron density and shock velocity distributions for the entire sample of SNRs shows that they are consistent with a log-normal distribution and a skewed log-normal distribution, respectively. Within individual remnants, our study reveals that electron density and shock velocity show larger scatter in younger objects, reflecting the varying conditions of the ambient medium immediately surrounding the explosion epicenter and their impact on SNR evolution.
Language	English
Issue date	2023-11-22
Collection	School/Department--School of Sciences and Engineering--Department of Physics--Graduate theses
	Type of Work--Graduate theses
Permanent Link	https://elocus.lib.uoc.gr//dlib/0/2/e/metadata-dlib-1698043287-903833-31131.tkl
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