Multiwavelength constraints on the origin of a nearby repeating fast radio burst source in a globular cluster
Nature Astronomy, Published online: 26 November 2024; doi:10.1038/s41550-024-02386-6 Deep X-ray limits are placed on the source of the closest fast radio burst, FRB 20200120E, ruling out an ultraluminous X-ray source or a young extragalactic pulsar embedded in a Crab-like nebula