Deneb V
Deneb V was the inhabited fifth planet in the Deneb system of the Alpha Quadrant. This was the homeworld of the Denebians, a warp-capable species. ()

In 2268, this planet still used the death penalty for such crimes as fraud. The guilty party had the choice between death by electrocution, death by gas, death by phaser or death by hanging. ()

An Academy of Science on Deneb V was dedicated in 2270. The crew of the  represented the Federation at the ceremonies. ()

Appendices

Background information 
This planet's quadrant of origin is inferred based on the position of its star system as seen in the star chart appearing in .

According to Star Trek: Star Charts (pp. 33, 41, "United Federation of Planets I") and Stellar Cartography: The Starfleet Reference Library ("Federation Historical Highlights, 2161-2385"), Deneb V (Deneb Kaitos V, Beta 16 Ceti V) was classified as M-class. Deneb V was governed by the Commonwealth of Denebia from its seat in Port Drexler. Most of the system's population, 11.2 billion out of 19 billion, lived on this planet. The dominant species were the Denebians and Humans. This world joined the Federation in 2259, the year the Denebians became warp-capable.

Apocrypha 
According to The Worlds of the Federation, Deneb V was called Kelta by its natives.

External link 
 

de:Deneb V
fr:Deneb V
it:Deneb V
ja:デネブ5号星
nl:Deneb V
Deneb 05
Homeworlds