GRB 090423
>
GRB 090423 was a gamma-ray burst detected by the Swift Gamma-Ray Burst Mission on April 23, 2009, at 07:55:19 UTC whose afterglow was detected in the infrared and enabled astronomers to determine that ... Wikipedia
Constellation: Leo
Distance: 30,000,000,000 ly (9.2×109 pc)
Other designations: GRB 090423A, GRB 090423, Fermi bn090423330
Redshift: 8.0 ≤ z ≤ 8.3