Cosmology Class Reference

#include <Cosmology.h>

List of all members.

Public Member Functions
	Cosmology (double o_m=0.260, double omega_x=0.740, double omega_k=0.0, double w_x=-1.0, double h=0.72)
	~Cosmology ()
double	D_C (double z1, double z2)
double	D_M (double z1, double z2)
double	ang_dist (double z)
double	ang_dist_z1_z2 (double z1, double z2)
double	lum_dist (double z)
double	unit_comoving_volume (double z, void *params)
double	comoving_volume_z1_z2 (double z1, double z2)
double	comoving_volume_0_z (double z)
double	lookback_time (double z)
double	age (double z)
double	age_now (void)
double	conformal_time (double z)
Private Attributes
double	omega_m
double	omega_x
double	omega_k
double	w_x
double	h

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Detailed Description

Definition at line 9 of file Cosmology.h.

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Constructor & Destructor Documentation

Cosmology::Cosmology	(	double	o_m = 0.260,
		double	omega_x = 0.740,
		double	omega_k = 0.0,
		double	w_x = -1.0,
		double	h = 0.72
	)

Constructs a cosmological model. Deafulat values are the concordance LCDM.

Cosmology::~Cosmology

(

)

The destructor does nothing.

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Member Function Documentation

double Cosmology::age

(

double

z

)

Cosmic age at z in years

double Cosmology::age_now

(

void

)

Cosmic age at z=0 in years

double Cosmology::ang_dist

(

double

z

)

Angular size distance to a given redshift z. It returns distance in Mpc.

double Cosmology::ang_dist_z1_z2	(	double	z1,
		double	z2
	)

Angular size distance between z1 and z2. It returns distance in Mpc.

double Cosmology::comoving_volume_0_z

(

double

z

)

Comoving volume between z=0 and z in Mpc^3 per unit solid angle.

double Cosmology::comoving_volume_z1_z2	(	double	z1,
		double	z2
	)

Comoving volume between z1 and z2 in Mpc^3 per unit solid angle.

double Cosmology::conformal_time

(

double

z

)

Conformal time at z in years

double Cosmology::D_C	(	double	z1,
		double	z2
	)

(Radial) comoving distance. It returns comoving distance between z1 and z2 in Mpc.

double Cosmology::D_M	(	double	z1,
		double	z2
	)

Proper distance (aka. transverse comoving distance). It returns proper distance between z1 and z2 in Mpc.

double Cosmology::lookback_time

(

double

z

)

Lookback time to z in years

double Cosmology::lum_dist

(

double

z

)

Luminosity distance to a given redshift z. It returns distance in Mpc.

double Cosmology::unit_comoving_volume	(	double	z,
		void *	params
	)

Unit comoving volume at a given redshift z. It returens volume in Mpc^3 per unit solid angle and unit change of redshift.

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Member Data Documentation

double Cosmology::h [private]

parametrized Hubble constant, H = 100h km s^-1 Mpc^-1

Definition at line 16 of file Cosmology.h.

double Cosmology::omega_k [private]

Omega curvature

Definition at line 14 of file Cosmology.h.

double Cosmology::omega_m [private]

Omega mass

Definition at line 12 of file Cosmology.h.

double Cosmology::omega_x [private]

Omega dark energy

Definition at line 13 of file Cosmology.h.

double Cosmology::w_x [private]

EOS of dark energy

Definition at line 15 of file Cosmology.h.

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The documentation for this class was generated from the following file:

• Cosmology.h