project_1d

Predict 1pt observable functions to the final n(z) convolved form

File	structure/projection_1d/project_1d.py
Attribution	CosmoSIS Team
URL

This module combines tomographic / stellar mass bins of the individually calculated observables It produces the theoretical prediction for the observable for the full survey. The number of bins and the mass range can be different to what is calculated in the hod_interface.py module.

Assumptions

• SDDD

Setup Parameters

Name	Type	Default	Description
input_section_name	str	stellar_mass_function	Input section name to get the observable values from (this is and optional output of the hod section)
output_section_name	str	smf	Output section name to save the observable values to
observable_type	str	mass	Type of observable (either mass or luminosity).
correct_cosmo	bool	False	To correct for fixed imput cosmology at which observable function was estiamted
sample	str		(optional) if nzs are given, look for the redshift distribution of the observables in this section.
zmin	real		minimum redshift value{s} for the observable in each bin. Used for cosmology correction.
zmax	real		maximum redshift value{s} for the observable in each bin. Used for cosmology correction.
cosmo_kwargs	str	{‘H0’:70.0, ‘Om0’:0.3, ‘Ode0’:0.7}	A string of a dictionary of input cosmology values
astropy_cosmology_class	str	LambdaCDM	A astropy cosmology class which was used to calculate input cosmology at

Input values

Section	Name	Type	Default	Description
input_section_name	obs_val_{i}	real 1D		The value of the observable for bin {i}. This is taken from the HOD-pbservable output section. i is an integer.
	obs_func_{i}	real 1D (no redshift rependence) or 2D if z_bin_{i} exists		The value of the observable function for bin {i}. This is taken from the HOD-pbservable output section. i is an integer.
	z_bin_{i}	real 1D		redshift distribution of the galaxies in the observable-redshift bin {i}. This will be read if it exists. If the median redshift is used to get the observable function then it is not used. If it exists then the observable function is defined as the weighted average of the observable function over redshift int dz n(z) x (observable function).
sample	z	real 1D		Redshift values in the input sample corresponding to the galaxies in the observable-redshift bins. This should be read using a read_nz module.
	bin_{i}	real 1D		Redshift distribution of the galaxies in the observable-redshift bins. The number of bins should be This should be read using a read_nz module.

Output values

Output values

Section	Name	Type	Description
output_section_name	bin_{i}	real 1D	The value of observable function, for the observable-redshift bin {i}
	obs_{i}	real 1D	The value of observable, for the observable-redshift bin {i}, either mass or luminosity
	nbin	int	Number of observable-redshift bins, it is 1 if suffixes is not given
	sample	str	The sample name for the redshift distribution of the observables, this is only saved if suffixes are given.