Abstract:Active galactic nuclei and gamma-ray bursts (GRBs) are powerful astrophysical events with relativistic jets. In this Letter, the broadband spectral properties of GRBs and well-observed blazars are compared. The distribution of GRBs is consistent with the well-known blazar sequence including the νL ν (5 GHz) − α RX and νL ν (5 GHz) − ν peak correlations, where α RX is defined as the broadband spectral slope in radio-to-X-ray bands, and ν peak is defined as the spectral peak frequency. Moreover, GRBs occupy the … Show more
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