Hubble.LCDM: Hubble parameter
In msereno/lira: LInear Regression in Astronomy
Description
Usage
Arguments
Value
Author(s)
References
See Also
Examples
Description
Hubble parameter in a LCDM (Cold Dark Matter universe with a cosmological constant) universe in units of the present day Hubble constant.
Usage
1
Hubble.LCDM(z,Omega.M0=0.3,Omega.L0=0.7)
Arguments
z
the redshift
Omega.M0
present day matter density in units of the critical density in a LCDM universe.
Omega.L0
renormalized cosmological constant in units of the critical density. See 'Omega.M0'.
Value
The Hubble parameter in units of H0.
Author(s)
Mauro Sereno mauro.sereno@unibo.it
References
Sereno M., Covone G., Piedipalumbo E., de Ritis R., (2001) Monthly Notices of the Royal Astronomical Society 327, 517-530.
See Also
See also Hubble.LCDM.
Examples
1
2
3
4
# Hubbel parameter at redshit z=1 in a standard cosmology,
Hubble.LCDM(1)
# Hubbel parameter at redshit z=1 in an open cosmology,
Hubble.LCDM(1,Omega.M0=0.2,Omega.L0=0.7)
msereno/lira documentation built on May 23, 2019, 7:51 a.m.
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Description Usage Arguments Value Author(s) References See Also Examples
Description
Hubble parameter in a LCDM (Cold Dark Matter universe with a cosmological constant) universe in units of the present day Hubble constant.
Usage
1 | Hubble.LCDM(z,Omega.M0=0.3,Omega.L0=0.7)
|
Arguments
z |
the redshift |
Omega.M0 |
present day matter density in units of the critical density in a LCDM universe. |
Omega.L0 |
renormalized cosmological constant in units of the critical density. See 'Omega.M0'. |
Value
The Hubble parameter in units of H0.
Author(s)
Mauro Sereno mauro.sereno@unibo.it
References
Sereno M., Covone G., Piedipalumbo E., de Ritis R., (2001) Monthly Notices of the Royal Astronomical Society 327, 517-530.
See Also
See also Hubble.LCDM.
Examples
1 2 3 4 | # Hubbel parameter at redshit z=1 in a standard cosmology,
Hubble.LCDM(1)
# Hubbel parameter at redshit z=1 in an open cosmology,
Hubble.LCDM(1,Omega.M0=0.2,Omega.L0=0.7)
|
R Package Documentation
Browse R Packages
We want your feedback!
Note that we can't provide technical support on individual packages. You should contact the package authors for that.
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