Cetus III
Ultra-faint dwarf galaxy
From Wikipedia, the free encyclopedia
Cetus lll is an ultra-faint dwarf galaxy (UFD) that is a satellite galaxy to the Milky Way. It is located at a distance of 251 kiloparsecs in the constellation of Cetus. It has a half-light radius of 90 parsecs.[1]
| Cetus lll | |
|---|---|
| Observation data | |
| Constellation | Cetus |
| Right ascension | 02h 05m 19.4s |
| Declination | −04° 16′ 12.0″ |
| Distance | 818,652 ly |
| Group or cluster | Milky Way subgroup |
| Characteristics | |
| Type | Ultra-faint dwarf |
| Half-light radius (physical) | 90 |
It was identified as a statistically significant overdensity of stars by the Subaru/Hyper Suprime-Cam Survey. Its small size made it invisible to the Sloan Digital Sky Survey.[1]