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astro-ph.SR2026
SN 2024afyu interpreted as a Pair Instability Supernova
P. J. Pessi, S. Barmentloo, Ł. Wyrzykowski +63
Pair-instability supernovae (PISNe) are the predicted explosions of very massive stars triggered by electron-positron pair production. Numerous transients have been proposed as PIS…
astro-ph.SR2025
Formation and Diagnostic Use of Carbon Lines in Stripped-Envelope Supernovae
Stan Barmentloo, Anders Jerkstrand
Carbon is one of the main end products of nucleosynthesis in massive stars. In this work, we study the emission signatures of carbon in spectra of stripped envelope supernovae (SES…