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Author

Z.-H. Peng

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Preprint Oct 2026

SN 2025dys: A luminous supernova explosion from a partially stripped helium star

We present well-sampled multi-band imaging and low- to medium-resolution spectroscopic observations of the early-discovered Type~II supernova (SN)~2025dys. The photometric evolution exhibits a rise time of $\sim$\,18 days ($r$ band) and a rapid decline transitioning to the radioactive decay tail at $\sim$\,70 days. SN~...

Jie-Wei Zhao, B. Kumar, G. Rameshan et al. · 0 citations

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