CosmoloPy is a package of cosmology routines for Python, designed for use with NumPy and SciPy. Reionization is a particular focus. See below for a longer list of capabilities.

Functions take cosmological parameters (which can be numpy arrays) as keywords, and ignore any extra keywords. This means you can make a dictionary of all of your cosmological parameters and pass it to any function.

Example

Calculate the comoving distance to redshift 6.

>>> import cosmolopy.distance as cd
>>> cosmo = {'omega_M_0':0.3, 'omega_lambda_0':0.7, 'omega_k_0':0.0, 'h':0.72}
>>> d_co, err = cd.comoving_distance(6., **cosmo)
>>> print "Comoving distance to z=6 is %.1f Mpc" % (d_co)
Comoving distance to z=6 is 8017.8 Mpc

Look in tests/ and examples/ for more examples.

Capabilities

See the API docs for a full listing.

cosmolopy.reionization

Routines related to the reionization of the IGM.

cosmolopy.distance

Calculate various cosmological distance measures.

cosmolopy.luminosityfunction

Routines related to galaxy luminosity functions (Schechter functions).

cosmolopy.perturbation

Routines related to perturbation theory and the power spectrum.