Coordinate Transforms. z. x. y. Equatorial and Cartesian Coordinates. declination (δ). Equator. right ascension (α). Equatorial and Cartesian Coordinates. x = Rcosα y = Rsinα. y. α. R. x. right ascension (α). y. declination (δ). z. r = 1. δ. R = rcosδ z = rsinδ. R.
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yEquatorial and Cartesian Coordinates
right ascension (α)
x = Rcosαy = Rsinα
r = 1
R = rcosδz = rsinδ
NP of Galaxy