The dispersion of $E_{\mathrm{p},\mathrm{i}}$-$L_{\mathrm{iso}}$ correlation of long gamma-ray bursts is partially due to assembling different sources

Manuele Maistrello, Romain Maccary, Cristiano Guidorzi +1

Long gamma-ray burst (GRB) prompt emission shows a correlation between the intrinsic peak energy, $E_{\mathrm{p},\mathrm{i}}$, of the time-average $\nu F_{\nu }$ spectrum and the isotropic-equivale…