More recently, Houk (1982) listed a class of F3 V, matching an ordinary main-sequence star that is generating energy through hydrogen fusion at its core. The NStars project gives it a classification of F2 V.
More recently, Houk (1982) categorized a group of F3 V stars that are producing energy through hydrogen fusion at their cores. The NStars project assigned them a classification of F2 V.