GRB 090423 was a gamma-ray burst (GRB) detected by the Swift Gamma-Ray Burst Mission on April 23, 2009, at 07:55:19 UTC whose afterglow was detected in...

for many minutes after most GRBs, and the discovery of the most luminous (GRB 080319B) and the former most distant (GRB 090423) objects in the universe....

universe". CNN. 2009-04-29. Retrieved 2010-10-22. Krimm, H.; et al. (2009). "GRB 090423: Swift detection of a burst". GCN Circulars. 9198: 1. Bibcode:2009GCN...

following is a list of significant gamma-ray bursts (GRBs) listed in chronological order. GRBs are named after the date on which they were detected:...

ability to detect stars with a telescope. 630 million years (z=8.2): GRB 090423, the oldest gamma-ray burst recorded suggests that supernovas may have...

News". Sol Station: Gamma-Ray Bursts 000131 - 090423. Retrieved 2010-02-23. "More Observations of GRB 090423, the Most Distant Known Object in the Universe"...

is a galaxy classified as JADES-GS-z14-0. In 2009, a gamma ray burst, GRB 090423, was found to have a redshift of 8.2, which indicates that the collapsing...

distant GRB observed (12.8 billion light-years) until the observation of GRB 090423 a few months later. 23 April 2009: Swift detected GRB 090423, the most...

distant-observed gamma-ray burst with a spectroscopic redshift measurement was GRB 090423, which had a redshift of z = 8.2. The most distant-known quasar, ULAS...

burst GRB 090423 was discovered at z=8.2, taking the title of most distant object. The next galaxy to hold the title also succeeded GRB 090423, that being...