B5IV MK43 standard: tau Her (=HR 6092) - B5IV JM53 standard: tau Her (=HR 6092) - B5IV Garrison67 standard: tau Her (=HR 6092) - B5IV Cowley69 standard: tau Her (=HR 6092) - B5IV MK73 standard: tau Her (=HR 6092) - B5IV WiegertGarrison98 st.: gam Cir - B5IV Mv(B5IV) = -1.6 ; GrayCorbally09 # No standards Houk88 does not list a B5IV standard. # Primary Standards tau Her = HD 147394 = HR 6092 (J1619+4618, V=3.9) *B5IV: MK43,JM53,MK73,Cowley69,Jaschek64(most),Lesh68 B5III:Ahmad52