The Multiwavelength Context of Delayed Radio Emission in Tidal Disruption Events: Evidence for Accretion-driven Outflows
K. D. Alexander; R. Margutti; Sebastian Gomez; M. C. Stroh; R. Chornock; Tanmoy Laskar; Y. Cendes; Edo Berger · 2026 · The Astrophysical Journal
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Abstract
Abstract Recent observations presented in Y. Cendes et al. show that optically selected tidal disruption events (TDEs) commonly produce delayed radio emission that can peak years after disruption. Here, we explore the multiwavelength properties of a sample of radio-observed optically selected TDEs, to shed light on the physical process(es) responsible for the late-rising radio emission. We combine new late-time X-ray observations with archival optical, UV, X-ray, and radio data to conclude that a diversity of accretion-driven outflows may power the delayed radio emission in TDEs. Our analysis
Abstract by K. D. Alexander; R. Margutti; Sebastian Gomez; M. C. Stroh; R. Chornock; Tanmoy Laskar; Y. Cendes; Edo Berger, The Astrophysical Journal (2026) — licensed CC BY 4.0.
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Metadata source: OpenAlex · DOI 10.3847/1538-4357/ae40ab