3 papers
astro-ph.IM2026
The LIRA-Ising Model: Estimating the boundaries of irregularly shaped X-ray sources
Kathryn McKeough, Vinay L. Kashyap, Aneta Siemiginowska +5
Mapping the boundary of an extended source is a key step in the study of its morphology. The background contamination and statistical fluctuations of typical astronomical images ma…
astro-ph.GA2025
A systematic meta-analysis of physical parameters of Galactic supernova remnants
I. Chousein-Basia, A. Zezas, I. Leonidaki +1
Supernova remnants (SNRs) are the aftermath of massive stellar explosions or of a white dwarf in a binary system, representing critical phases in the life cycle of stars and playin…
astro-ph.GA2024
HCG 57: Evidence for shock-heated intergalactic gas from X-rays and optical emission line spectroscopy
Ewan O'Sullivan, P. N. Appleton, B. A. Joshi +5
We present Chandra and XMM-Newton X-ray observations of the compact group HCG 57, and optical integral field spectroscopy of the interacting galaxy pair HCG 57A/D. These two spiral…