an Entity references as follows:
Omicron Geminorum (ο Geminorum, abbreviated Omicron Gem, ο Gem), also named Jishui, is a solitary star in the constellation of Gemini. It is faintly visible to the naked eye with an apparent visual magnitude of 4.90. Based upon an annual parallax shift of 19.61 mas, it is located at a distance of 166 light-years from the Sun.