Angular Diameter Distance

d_A= rac{x}{	heta}

The angular diameter distance depends on the assumed Cosmology of the universe. The angular diameter distance to an object at Redshift ,

z

, is expressed in terms of the Comoving Distance ,

\chi

as:

d_A = rac{r(\chi)}{1+z}

Where

r(\chi)

is defined as:

r(\chi) = \begin{cases}

	CATEGORIES ABOUT ANGULAR DIAMETER DISTANCE

	units of length in astronomy

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