EP251023a is a new extragalactic fast X-ray transient whose optical light curve is interpreted as a rare magnetar-powered internal plateau with derived upper limits on spin period and magnetic field.
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4 Pith papers cite this work. Polarity classification is still indexing.
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astro-ph.HE 4years
2026 4representative citing papers
EP250304a/SN 2025fhm is presented as a member of an emerging subclass of shocked cocoon-dominated low-luminosity GRB-SNe based on spectral, photometric, and light-curve modeling comparisons to prior events.
Late-time radio rebrightening in SN 2012ap is consistent with either progenitor mass-loss variation producing a density enhancement or an off-axis energetic jet viewed at large angle, potentially reclassifying it as GRB-like rather than weakly engine-driven.