core-collapse supernova 1interstellar medium 1large magellanic cloud 1supernova remnants 1x-ray astronomy 1
From the 1 of 3 linked papers with an AI index.
3 papers
astro-ph.HE2026
Chandra and XMM-Newton X-ray Study on the Core-collapse Supernova Remnant N63A in an H II Region
Hanxiao Chen, Yang Chen, Lei Sun +1
The paper presents a detailed X‑ray analysis of the supernova remnant N63A in the Large Magellanic Cloud using Chandra and XMM‑Newton data, revealing multi‑temperature plasma compo…
astro-ph.HE2025
Unusual X-ray Oxygen Line Ratios of SN 1987A Arising From the Absorption of Galactic Hot Interstellar Medium
Lei Sun, Salvatore Orlando, Emanuele Greco +5
Recent high-resolution X-ray spectroscopic studies have revealed unusual oxygen line ratios, such as the high O VII forbidden-to-resonance ratio, in several supernova remnants. Whi…
astro-ph.HE2025
Evolution of X-ray Gas in SN 1987A from 2007 to 2021: Ring Fading and Ejecta Brightening Unveiled through Differential Emission Measure Analysis
Lei Sun, Salvatore Orlando, Emanuele Greco +4
As the nearest supernova (SN) observed since Kepler's SN of 1604, SN 1987A provides an unprecedented opportunity to study in detail the early evolution of supernova remnants (SNRs)…