Table 6: Median properties of the 28 long-duration GRBs with a measured $\tau _{2+3,1}$, categorised into those with short lags ( $\tau_{2+3,1}<0.75~{\rm s}$) and long lags ( $\tau_{2+3,1}>0.75~{\rm s}$.)
  Short-lag GRBs Long-lag GRBs
Fraction of INTEGRAL GRBs 17/28 11/28
Median $\tau_{2+3,1}~\rm {(s)}$ 0.07 1.70
Median $T_{90}~\rm {(s)}$ 27 50
Median $F_{\rm peak}~\rm {(erg}~\rm {cm}^{-2}~\rm {s}^{-1}\rm {)}$ $2.0\times10^{-7}$ $4.0\times10^{-8}$
Median Fluence (erg cm-2) $2.0\times10^{-6}$ $7.6\times10^{-7}$
% within $\pm30^\circ$ SGB 41% 91%

Source LaTeX | All tables | In the text