3 papers
astro-ph.HE2025
Inferring Dense Confined Circumstellar Medium around Supernova Progenitors via Long-term Hydrodynamical Evolution
Tomoki Matsuoka, Keiichi Maeda, Ke-Jung Chen
Circumstellar interaction of supernova (SN) ejecta is an essential process in its evolution and observations of SNe have found the signature of circumstellar interaction both in th…
astro-ph.HE2024
Exploring the circumstellar environment of Tycho's supernova remnant. II. Impact on the broadband non-thermal emission
Ryosuke Kobashi, Shiu-Hang Lee, Takaaki Tanaka +1
While the environment around Tycho's supernova remnant (SNR) has long been believed to be close to homogeneous, the latest analysis of Chandra data has identified a substantial dec…
astro-ph.HE2024
A Multiwavelength Autopsy of the Interacting IIn Supernova 2020ywx: Tracing its Progenitor Mass-Loss History for 100 Years before Death
Raphael Baer-Way, Poonam Chandra, Maryam Modjaz +31
While the subclass of interacting supernovae with narrow hydrogen emission lines (SNe IIn) consists of some of the longest-lasting and brightest SNe ever discovered, their progenit…