Description Usage Arguments Value Author(s) References See Also Examples
View source: R/distance.LCDM.R
Angular diameter distance in a LCDM (Cold Dark Matter universe with a cosmological constant) universe between an observer at 'zd' and a source at 'zs'. The distance is in units of the Hubble distance c/H0, where 'c' is the speed of light and 'H0' is the Hubble constant.
1 | distance.LCDM(zo=0.0,z,Omega.M0=0.3,Omega.L0=0.7)
|
zo |
redshift of the observer. |
z |
redshift of the source. |
Omega.M0 |
present day matter density in units of the critical density. |
Omega.L0 |
renormalized cosmological constant in units of the critical density. |
The estimate of the distance.
Mauro Sereno mauro.sereno@unibo.it
Sereno M., Covone G., Piedipalumbo E., de Ritis R., (2001) Monthly Notices of the Royal Astronomical Society 327, 517-530.
See also Hubble.LCDM
.
1 2 3 4 | # Distance to a source at z=1 in a standard cosmology,
distance.LCDM(z=1.0)
# Distance between a lens at zl=0.3 and a source at z=1 in an open cosmology,
distance.LCDM(0.3,1,Omega.M0=0.2,Omega.L0=0.7)
|
Add the following code to your website.
For more information on customizing the embed code, read Embedding Snippets.