2005/03/23 | 银道坐标系[Galactic Coordinates]
类别(¤〖天文〗) | 评论(0) | 阅读(60) | 发表于 14:05
Given equatorial coordinates [img] scienceworld.wolfram.com/astronomy/gimg4.gif[/img] (declination) and [img] scienceworld.wolfram.com/astronomy/gimg4.gif[/img] (right ascension), the galactic coordinates (b, l), can be computed from the formulas



The first system was defined in 1932 using optical observations of the Milky Way Galaxy . The new system was defined in 1958 in terms of 21 cm observations of HI (Sullivan 1984, p. 140).
0

评论Comments

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