Speaker: Conor Omand

Title: Multiwavelength Signals From Pulsar-Driven Supernovae

The pulsar-driven supernova model, where the initial radiation is powered by the nebula of a rapidly rotating, highly magnetized neutron star, is commonly used to explain superluminous supernovae (SLSNe) and some gamma-ray bursts (GRBs), but has yet to be confirmed. Quasi-thermal optical supernova emission can not differentiate between different engines (ie. pulsar wind nebulae (PWNe) or fallback onto a black hole), but there may be late-phase non-thermal emission unique to a pulsar engine. I'll overview our theoretical predictions for direct detection of PWN emission in the radio band and indirect detection via dust re-radiation in the infrared, as well as our radio observations that have tested and constrained the model.

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Last-modified: 2020-11-19 (木) 16:28:33 (153d)