Rotation curves are often used to estimate the mass distribution of spiral galaxies, assuming that the circular velocities of the interstellar medium balance with the galactic centrifugal force. However, non-circular motions caused by a non-axisymmetric gravitational potential, such as a stellar bar, may disturb the velocity field, resulting in errors in… (More)

The Numerical Modeling of Nonlinear Stellar Pulsations

W Benz

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@inproceedings{Koda2002IntrinsicEO,
title={Intrinsic errors of the central galactic mass derived from rotation curves under the influence of a weak non-axisymmetric potential},
author={Jin Koda and Keiichi Wada},
year={2002}
}