Table 4: Mean values and standard deviation of spectral parameters $\beta _1$, $\beta _2$ and $\log E_{\rm peak}$ for the parent distribution of XRRs/XRFs and GRBs classes, according to the likelihood method. In the last row is the $\log E_{\rm peak}$ instrinsic mean value for the subsample of events used for the X-ray afterglow flux analysis in Sect. 4.3.
CLASS(number) $\langle\beta_1\rangle_i$ $\langle\sigma\rangle_i$ CLASS(number) $\langle\beta_2\rangle_i$ $\langle\sigma\rangle_i$
XRRs+XRFs (38) $\rm -(1.22^{+0.12}_{-0.09})$ $\rm0.21^{+0.12}_{-0.09}$ XRRs+XRFs (25) -(1.74 $\pm$ 0.42) $\rm 1.17^{+0.42}_{-0.28}$
GRB (31) -(0.99+0.08-0.10) $\rm0.28^{+0.06}_{-0.05}$ GRB (19) -(2.31+0.20-0.16) $\rm0.46^{+0.20}_{-0.15}$
CLASS (number) $\langle {\rm Log}~ E_{\rm peak}\rangle_i$ $\langle\sigma\rangle_i$ CLASS(number) $\langle\tilde{{\rm Log}~ E}_{\rm p}\rangle_i$ $\langle\sigma\rangle_i$
XRRs+XRFs (42) 1.55 $\pm$ 0.1 0.32 $\pm$ 0.10 XRRs+XRFs(10) $2.13\pm0.11$ 0.17+0.16-0.12
GRB (30) 2.21+0.06-0.07 $\rm0.25^{+0.08}_{-0.05}$ GRBs(12) 2.74+0.14-0.16 0.32+0.16-0.09
SUBCLASS (number) $\langle {\rm Log}~ E_{\rm peak}\rangle_i$        
XRRs+XRFs (7) 1.83 $\pm$ 0.06        
GRB (14) $2.32\pm0.10$        

Source LaTeX | All tables | In the text