THE DISTRIBUTION OF COSMOLOGICAL GAMMA-RAY BURSTS

We compare the burst distribution of the BATSE-2B catalog to a cosmological distribution. The observed distribution agrees well with a cosmological one, however, it is insensitive to cosmological parameters such as Omega and Lambda. The bursts are not necessarily standard candles, and their luminosity can vary by up to a factor of 10. The maximal redshift, z(max), of bursts longer than 2 s is 2.1(-0.7)(+1), (assuming no evolution). The present data is insufficient to determine maximal redshift, z(max), of bursts shorter than 2 s.