3 papers
astro-ph.HE2025
SN Ia-CSM 2020aeuh: Massive binary C/O WD merger?
N. N. Chugai
I explore the origin of the circumstellar (CS) shell of the unusual SN Ia 2020aeuh based on the light curve model abd observational constraints. I estimate the Ni mass ($1.1…
astro-ph.HE2025
Supernova in lost common envelope and SN 2006gy
Nikolai Chugai
A mechanism is proposed for synchronizing core-collapse supernova with a recent loss of a red supergiant (RSG) envelope in the common envelope regime. A perequisite for the synchro…
astro-ph.HE2025
PISN 2018ibb: radioactive emission of [O III] lines
Nikolai N. Chugai
Supernova 2018ibb of the PISN category related to the dynamical instability of oxygen core in a supermassive star induced by pair-creation shows at the nebular stage strong [\oiii]…