kappa_ell_cut

Apply minimum and maximum ell to cross-power spectra with CMB kappa.

File

cmb_lensing/kappa_ell_cut/kappa_beam.py

URL

It is often useful to apply a maximum or minimum ell cut to a CMB lensing map before measuring correlation functions with galaxies and shears. If such an ell-cut is applied, we must account for it on the modeling side. This module applies the lmin/lmax cut to the relevant cross-power spectra.

Assumptions

None

Setup Parameters

Name

Type

Default

Description

shearkappa_section

str

Section name where harmonic-space cross-spectrum between galaxy shear and CMB kappa is stored. Leave blank if none.

galkappa_section

str

Section name where harmonic-space cross-spectrum between galaxy density and CMB kappa is stored. Leave blank if none.

lmin

0

Minimum ell to impose for CMB kappa cross-spectra.

lmax

int

999999

Maximum ell to impose for CMB kappa cross-spectra.

Input values

Section

Name

Type

Default

Description

shear_cmbkappa_cl

ell

int 1d

Angular frequency values at which Shear-kappa c_ell is evaluated

bin_{i}_{j}

real 1d

Shear-kappa C_ell calculated at corresponding ell for relevant i and j combinations

galaxy_cmbkappa_cl

ell

int 1d

Angular frequency values at which Galaxy-kappa c_ell is evaluated

bin_{i}_{j}

real 1d

Galaxy-kappa C_ell calculated at corresponding ell for relevant i and j combinations

Output values

Output values

Section

Name

Type

Description

shear_cmbkappa_cl

ell

int 1d

Angular frequency values at which Shear-kappa c_ell is evaluated

bin_{i}_{j}

real 1d

Shear-kappa C_ell, set to zero outside cuts

galaxy_cmbkappa_cl

ell

int 1d

Values at which c_ell is evaluated

bin_{i}_{j}

real 1d

Galaxy-kappa C_ell, set to zero outside cuts