A new formula for disc kinematics
In a disc galaxy, the distribution of azimuthal components of velocity is very skew. In the past, this skewness has been modelled by superposed Gaussians. We use dynamical arguments to derive an analytic formula that can be fitted to observed velocity distributions, and validate it by fits to the ve...
| Main Authors: | , |
|---|---|
| 格式: | Journal article |
| 語言: | English |
| 出版: |
2012
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