VLBI confirms a compact non-thermal persistent radio source for FRB 20190417A with nearly flat spectrum α=-0.19±0.29, placing it on the Lν-|RM| relation consistent with young nebulae or forward shocks.
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The VLBI spectrum of the persistent radio source associated with FRB 20190417A
VLBI confirms a compact non-thermal persistent radio source for FRB 20190417A with nearly flat spectrum α=-0.19±0.29, placing it on the Lν-|RM| relation consistent with young nebulae or forward shocks.