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Properties
| gdouble | Dc | Read / Write |
| gboolean | Dc-fit | Read / Write |
| gdouble | E | Read / Write |
| gboolean | E-fit | Read / Write |
| gdouble | H0 | Read / Write |
| gboolean | H0-fit | Read / Write |
| gdouble | Omegat | Read / Write |
| gboolean | Omegat-fit | Read / Write |
| gdouble | q | Read / Write |
| gboolean | q-fit | Read / Write |
| gdouble | zs | Read / Write |
| gboolean | zs-fit | Read / Write |
Types and Values
| enum | NcHICosmoQConstParams |
| #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 ╰── NcHICosmoQConstParams 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 NcHICosmoQConstParams
Property Details
The “Omegat-fit” property
“Omegat-fit” gboolean
\Omega_{t0}:fit.
Flags: Read / Write
Default value: FALSE