Once purchased, you will typically receive: A Certificate of Registration with the new star name.
Because these registries are private, different companies could "sell" the same star to multiple people. how to buy your own star
Professional astronomers and NASA will not use your chosen name. They will continue to refer to the star by its scientific designation (e.g., HD 189733). Once purchased, you will typically receive: A Certificate
If you simply want to find a star to dedicate to someone without the paperwork, you can use free tools like Stellarium or Google Sky to pick a coordinate and "claim" it in your own heart. how to buy your own star
Located within a specific, recognizable constellation.