Cui, Xugao; Wu, X F; Wei, J J; Yuan, Fang; Zheng, WeiKang; Liang, E W; Akerlof, C W; Ashley, M C B; Flewelling, H A; Gogus, E; Guver, T
We present the optical luminosity function (LF) of gamma-ray bursts (GRBs) estimated from a uniform sample of 58 GRBs from observations with the Robotic Optical Transient Search Experiment III (ROTSE-III). Our GRB sample is divided into two sub-samples: detected afterglows (18 GRBs) and those with upper limits (40 GRBs). We derive R-band fluxes for these two sub-samples 100 s after the onset of the burst. The optical LFs at 100 s are fitted by assuming that the co-moving GRB rate traces the...[Show more]
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