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astro (version 1.2)

comovvol: Co-moving Volume

Description

Calculates comoving volume

Usage

comovvol(z = 1, c = 3E8, H = 70, M = 0.3, L = 1-M, K = 1-M-L, units = "Gpc3")

Arguments

z
redshift
c
speed of light (m/s)
H
Hubble constant (km/s/Mpc)
M
Omega M - matter
L
Omega L - energy
K
Omega K - curvature
units
output units [Gpc3/Mpc3/ly3/m3]

Value

Comoving volume in indicated units to the given redshift with the given cosmology.

References

Hogg D. W., 1999, ArXiv Astrophysics e-prints, arXiv:astro-ph/9905116

See Also

The astronomy package: astro.