D.A | R Documentation |
Function computes angular diameter distance
D.A(z, omega.m = 0.27, omega.lambda = 0.73, H.0 = 71)
z |
Redshift |
omega.m |
Omega matter parameter |
omega.lambda |
Omega lambda parameter |
H.0 |
Hubble constant in km/s/Mpc |
Angular distance in Mpc
For flat universe, omega.k = 0
.
A. Harris
Hogg (2000), arXiv:astro-ph/9905116, equation (18)
D.A(2.3) z <- seq(0.1, 5, 0.1) d <- D.A(z) plot(z, d/max(d), t='l', xlab='z', ylab='Normalized D.A')
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