IOK-1
| IOK-1 | |
|---|---|
billion light-years (3.95 Gpc) | |
| Apparent magnitude (V) | 24.4 |
| Characteristics | |
| Type | LAE |
| Size | 4,000 ly (1,200 pc) (diameter) 2,000 ly (610 pc) (radius) |
| Apparent size (V) | 0.001 x 0.001 |
| Other designations | |
| JEM2013 62, OIK2017 NB973-SDF-85821, OMS2009 SDF-63544[1] | |
IOK-1 is a distant galaxy in the constellation Coma Berenices. When discovered in 2006, it was the oldest and most distant galaxy ever found, at redshift 6.96.[2]
It was discovered in April 2006 by
Abell 1835 IR1916) to be even older, the IOK-1's age and composition have been more reliably established.[3][4]
"IOK" stands for the observers' names Iye, Ota, and Kashikawa.