py21cmsense.conversions.dk_du¶

py21cmsense.conversions.dk_du(z, cosmo=FlatLambdaCDM(name="Planck15", H0=67.7 km / (Mpc s), Om0=0.307, Tcmb0=2.725 K, Neff=3.05, m_nu=[0. 0. 0.06] eV, Ob0=0.0486))[source]¶

Return the factor to convert a baseline length in wavelengths (at the frequency corresponding to redshift z) into a transverse k mode in h/Mpc at redshift z