Gamma Hromi

Gammma Hromi was a planetary system found inside the Hromi Cluster in the Beta Quadrant. It was located near Starbase 24, Ramatis, and the Federation border with the Klingon Empire.

It was a quaternary star system with a yellow primary and three companion stars. These were two orange stars and one red star.

In this system, there were at least two planets, including Gamma Hromi II.

History

In 2257, during the Federation-Klingon War, this star system was occupied by the Klingons. (DIS: "The War Without, The War Within")

Stellar cartography

In 2256, this system's location was labeled on the star chart "Alpha/Beta Quadrant Overview" in the ready room aboard the USS Discovery. (TNG: "The Vengeance Factor"; DIS: "Magic to Make the Sanest Man Go Mad")

In 2259, the location of this system was labeled on a stellar cartography chart that was seen on the USS Enterprise's ready room viewscreen. This system's symbol had a blue color, indicating that it was affiliated with the United Federation of Planets. (SNW: "Strange New Worlds", "Children of the Comet", "Spock Amok")

The system's location was labeled in a Federation star chart that was in Fleet Admiral Kirsten Clancy's office at Starfleet Headquarters in 2399 and on the bridge of the USS Titan-A in 2401. The Gamma Hromi system was in or near to Klingon space. (PIC: "Maps and Legends", "The Next Generation", "Disengage")

This star was only mentioned in writing.
The stars of the Gamma Hromi system were classified as a G-class star, K-class stars, and M-class star by the Star Trek: Star Charts (pp. 61, 66) and Stellar Cartography: The Starfleet Reference Library ("Federation Historical Highlights, 2161-2385").
In the Bayer designation, which was a system of stellar classification, the Greek letter indicated the brightness of a star in a constellation. In this case, Gamma Hromi would be the 3rd brightest star in its constellation.