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Constraining the Supernova Remnant Environment of FRB 190520B with Dispersion Measure and Scattering Timescale
FRB 190520B is a repeating fast radio burst source whose large dispersion measure (DM) and temporal broadening suggest a dense and evolving local environment. In this work, we test the possibility that FRB 190520B originates from the core-collapse of a massive star so that its central engine is embe
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