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Table 3.

Best fit parameter values in the case of a log-normal Ep scenario.

Name Luminosity function
Peak energy distribution
Redshift distribution
[yr−1 Gpc−3] log L* p kevol log Ep0 σEp zm a b
GRB ∝ CSFRD 1.9 1.1 −0.57
No evolution 0.0 0.45 ( † )
Mild evolution 0.5 0.45
Evolution 1.0 0.45 ( † )
Strong evolution 2.0 0.45

Notes. Parameter without errors were fixed during the exploration. ( † )The parameter b in these two cases has a multi-peaked marginalised posterior distribution; the median and 1σ errors reported here are not necessarily representative of the best fitting value but are quoted for simplicity.

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