SN 2025ulz, once a kilonova candidate for GW trigger S250818k, is a type IIb supernova, and type IIb shock-cooling tails should be expected as interlopers in roughly 30% of comparable GW follow-ups.
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3 Pith papers cite this work, alongside 65 external citations. Polarity classification is still indexing.
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A faint radio counterpart to SN 2025ulz was detected at 6-10 GHz, consistent with either supernova ejecta interacting with circumstellar material or an off-axis jet, supporting possible superkilonova scenarios.
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.
citing papers explorer
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ENGRAVE follow-up of a type IIb supernova spatially coincident with the sub-threshold gravitational wave trigger S250818k
SN 2025ulz, once a kilonova candidate for GW trigger S250818k, is a type IIb supernova, and type IIb shock-cooling tails should be expected as interlopers in roughly 30% of comparable GW follow-ups.
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Identification of a Radio Counterpart to SN 2025ulz in the S250818k Localization Area
A faint radio counterpart to SN 2025ulz was detected at 6-10 GHz, consistent with either supernova ejecta interacting with circumstellar material or an off-axis jet, supporting possible superkilonova scenarios.
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A 14-year-old Mystery: The Peculiar Case of the Engine-driven SN 2012ap
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.