Claim: Zeta Antliae is in the Antlia Constellation with an apparent magnitude of 5.91 and a spectral type of A9 IV.
Evidence: With an apparent visual magnitude of 5.91, it is a relatively faint star that requires dark suburban skies for viewing with the naked eye. A9 IV Zeta Antliae is the Bayer designation for a star in the southern constellation of Antlia, the air pump. 
5.91 A9 IV Antlia