py21cmsense.conversions.dk_deta¶

py21cmsense.conversions.dk_deta(z: float | np.array, cosmo: FLRW = FlatLambdaCDM(name='Planck15', H0=<Quantity 67.74 km / (Mpc s)>, Om0=0.3075, Tcmb0=<Quantity 2.7255 K>, Neff=3.046, m_nu=<Quantity [0., 0., 0.06] eV>, Ob0=0.0486), approximate=False) → un.Quantity[un.MHz * littleh / un.Mpc][source]¶

Get gactor converting inverse frequency to inverse distance.