- The two sources differ on stellar classification. Star Trek Maps states that the primary star is an O or B class star, and that the system has a brightness of absolute magnitude −3. Star Charts, however, states that the primary star is an F class white star and adds an M class red secondary, with a brightness of magnitude +5.
As the Vendorians were deemed by the Federation to be still psychologically unfit for involvement in the interstellar community, due to their practice of deception and shapeshifting, Vendor was quarantined. Several treaties between the Federation and the Romulan Star Empire since 2161 also proscribed contact with this system. (TAS episode & Log Two novelization: The Survivor)
- Vendor binary:
- Vendor I
- Vendor II
- Vendor III