Asymmetry in isolated, morphologically normal Sa galaxies

We have examined the morphological and dynamical H I symmetry properties of a sample of moderately inclined Sa galaxies classified as morphologically normal. The sample galaxies were known a priori to exhibit kinematic peculi arities ranging from warps to independent, wholly decoupled disks and are p ossibly the remnants of minor mergers. We compare the asymmetry of the rota tion curves to global kinematic asymmetry and find a relationship between r otation curve asymmetry and the kinematic n = 2 mode. We have also examined the kinematics of these galaxies following the discussion of Briggs and fi nd that the warps observed in the H I disks of these galaxies deviate signi ficantly from the simple rules for warps that commonly apply.