classylss.astropy_compat.
AstropyCompat
(engine)[source]¶Bases: object
A cosmology wrapper object that provides compatibility with the syntax
from astropy
.
Warning
Some parameter definitions vary between astropy
and CLASS.
Parameters: | engine (ClassEngine) – the CLASS engine object |
---|
Attributes
Ob0 |
Returns Omega0_b . |
Ode0 |
Returns the sum of Omega0_lambda and Omega0_fld . |
Odm0 |
Returns Omega0_cdm . |
Ogamma0 |
Returns Omega0_g . |
Ok0 |
Returns Omega0_k . |
Om0 |
Returns Omega0_m . |
Onu0 |
Returns the sum of Omega0_ncdm_tot and Omega0_ur . |
Tcmb0 |
Returns T0_cmb . |
Tnu0 |
Returns T0_ncdm . |
has_massive_nu |
Returns True if N_ncdm is greater than zero. |
w0 |
Returns w0_fld . |
wa |
Returns wa_fld . |
Methods
Ob (z) |
Returns Omega_b() . |
Ode (z) |
Returns the sum of Omega_lambda() and Omega_fld() . |
Odm (z) |
Returns Omega_cdm() . |
Ogamma (z) |
Returns Omega_g() . |
Ok (z) |
Returns Omega_k() . |
Om (z) |
Returns Omega_m() . |
Onu (z) |
Returns the sum of Omega_ncdm() and Omega_ur() . |
Tcmb (z) |
Returns \((1+z)\) T0_cmb . |
Tnu (z) |
Returns \((1+z)\) T0_ncdm . |
nu_relative_density (z) |
Returns Onu() / Ogamma() . |
Ode
(z)[source]¶Returns the sum of Omega_lambda()
and Omega_fld()
.
Ode0
¶Returns the sum of Omega0_lambda
and Omega0_fld
.
Odm
(z)[source]¶Returns Omega_cdm()
.
Odm0
¶Returns Omega0_cdm
.
Onu
(z)[source]¶Returns the sum of Omega_ncdm()
and Omega_ur()
.
Onu0
¶Returns the sum of Omega0_ncdm_tot
and Omega0_ur
.