GRB 210312B shows a soft precursor 17 s before its main gamma-ray pulse, and its optical afterglow decomposes into an early flare plus a forward shock consistent with standard afterglow theory.
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From precursor to afterglow: The complex evolution of GRB 210312B
GRB 210312B shows a soft precursor 17 s before its main gamma-ray pulse, and its optical afterglow decomposes into an early flare plus a forward shock consistent with standard afterglow theory.