B7IV JM53 standard: 16 Tau - B7IV Garrison67 standard: 16 Tau - B7IV Cowley69 standard: 16 Tau - B7IV WiegertGarrison98 st.: del01 Tel - B7IV Mv(B7IV) = -1.3 ; GrayCorbally09 # No standard MK73 and Houk88 do not list a B7IV standard. # Primary Standard 16 Tau = HD 23288 = HR 1140 = Cl Melotte 22 447 (J0344+2417) *B7IV: JM53,Mendoza56,Cowley69,Jaschek78(Herbig55),Lesh68,Jaschek64(most),GarrisonGray94(B7IVn) B7V: Abt78 B5: Cannon Pleiad