GOODS-N-774
| GOODS-N-774 | |
|---|---|
| Observation data (J2000 epoch) | |
| Constellation | Ursa Major |
| Right ascension | 12h 36m 27.73315s |
| Declination | +62° 07′ 12.7652″ |
| Redshift | 2.3 |
| Distance | 11 billion ly (3.4 billion pc) (light travel distance) ~18 billion ly (5.5 billion pc) (comoving distance) |
| Apparent magnitude (V) | 29.6U |
| Characteristics | |
| Type | Protogalaxy |
| Mass | 1×1011 M☉ |
| Size | 1.8 kpc (5.9 kly) |
| Other designations | |
| Sparky, GOODS-N-774, SBM2016 GOODS-N 774, BCW2008 1740, LDD2018 18303 | |
GOODS-N-774 also called "Sparky", is a distant early galaxy which is in the process of core formation. The galaxy is massive and extremely compact, forming stars furiously. It is thought to be on its way to becoming a giant elliptical galaxy. This galaxy was discovered in 2014, and is some 11 billion light years distant. In the sky, it is located in the constellation of Ursa Major. It is the first discovered galaxy in this stage of giant galaxy formation.