Most "buy a star" services operate as private registries that maintain their own internal databases.
While it is not possible to legally or scientifically "own" a star, you can purchase through various commercial registries. These services allow you to assign a name to a specific celestial coordinate and receive a commemorative gift package, though the International Astronomical Union (IAU) does not recognize these names for official scientific purposes. How Star Naming Services Work how to buy a star in the sky
: Your chosen name is recorded in the company’s private catalog, such as the International Star Registry’s copyrighted book, "Your Place in the Cosmos". Available Gift Packages and Pricing Most "buy a star" services operate as private
Prices generally range from approximately depending on the materials and features included. Can I buy a star? - American Astronomical Society How Star Naming Services Work : Your chosen