Iophiuchi
Yoph Fiyakyi[1], often known by the latinised names Iota Ophiuchi[2] or Iophiuchi[3], is a planet located in the Empyrium. It is located in the binary Yoph system (to which it also owes its common name), of which it is the capital. Iophiuchi is a hothouse world covered in a dense atmosphere, but has thin habitable bands like the planet Beta Venera. The planet has no clear-cut seasons as it takes thousands of years to orbit its incredibly luminous star (which is in fact a stellar binary.) Like all other planets in the system, it is a free world that is not governed by the Empyrium's Imperial Authority.
It is home to the Imperial Investigation Bureau, the principal intelligence and security service of the Empyrium, and is regarded as such by both free and system worlds. It also hosts Fortress Fiyakyina, one of the largest maximum security prisons in the collective.