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Properties
| double | Dc | Read / Write |
| gboolean | Dc-fit | Read / Write |
| double | E | Read / Write |
| gboolean | E-fit | Read / Write |
| double | H0 | Read / Write |
| gboolean | H0-fit | Read / Write |
| double | Omegat | Read / Write |
| gboolean | Omegat-fit | Read / Write |
| double | q | Read / Write |
| gboolean | q-fit | Read / Write |
| double | zs | Read / Write |
| gboolean | zs-fit | Read / Write |
Types and Values
| enum | NcHICosmoQConstSParams |
| #define | NC_HICOSMO_QCONST_DEFAULT_H0 |
| #define | NC_HICOSMO_QCONST_DEFAULT_OMEGA_T |
| #define | NC_HICOSMO_QCONST_DEFAULT_CD |
| #define | NC_HICOSMO_QCONST_DEFAULT_E |
| #define | NC_HICOSMO_QCONST_DEFAULT_Q |
| #define | NC_HICOSMO_QCONST_DEFAULT_Z1 |
Object Hierarchy
GEnum ╰── NcHICosmoQConstSParams GObject ╰── NcmModel ╰── NcHICosmo ╰── NcHICosmoQConst
Description
The deceleration function is defined as a constant, $q(z) = q_0$. The comoving distance in units of the Hubble radius today is
$$D_c(z) = CD + \frac{(1+ z_1)^{-q_0}}{q_0} \left[ 1 - \left( \frac{1+z}{1+z_1} \right)^{-q_0} \right],$$ where CD is the comoving distance from 0 to $z_1$.
Types and Values
enum NcHICosmoQConstSParams
Property Details
The “Dc-fit” property
“Dc-fit” gboolean
D_c:fit.
Owner: NcHICosmoQConst
Flags: Read / Write
Default value: FALSE
The “E-fit” property
“E-fit” gboolean
E:fit.
Owner: NcHICosmoQConst
Flags: Read / Write
Default value: FALSE
The “H0-fit” property
“H0-fit” gboolean
H_0:fit.
Owner: NcHICosmoQConst
Flags: Read / Write
Default value: FALSE
The “Omegat” property
“Omegat” double
\Omega_{t0}.
Owner: NcHICosmoQConst
Flags: Read / Write
Default value: 1
The “Omegat-fit” property
“Omegat-fit” gboolean
\Omega_{t0}:fit.
Owner: NcHICosmoQConst
Flags: Read / Write
Default value: FALSE
The “q-fit” property
“q-fit” gboolean
q:fit.
Owner: NcHICosmoQConst
Flags: Read / Write
Default value: TRUE
The “zs-fit” property
“zs-fit” gboolean
z_\star:fit.
Owner: NcHICosmoQConst
Flags: Read / Write
Default value: FALSE