2005/03/28 | 银河势能[Galactic Potential]
类别(¤〖天文〗) | 评论(0) | 阅读(16) | 发表于 13:15
A logarithmic potential is used to describe galaxies with flat rotation curves. this implies

where is the circular velocity given by

then




so try a potential of the form

where and are constants and the density is then
are constants and [img]

0

评论Comments

日志分类
首页[1408]
∑〖数学〗[349]
Ω〖物理〗[357]
¤〖天文〗[343]
℃〖化学〗[359]