pycf3 - Cosmicflows-3 Distance-Velocity Calculator client for Python Documentation Status Python 3.7+ License

Python client for Cosmicflows-3 Distance-Velocity Calculator at distances less than 400 Mpc (

Compute expectation distances or velocities based on smoothed velocity field from the Wiener filter model of Graziani et al. 2019

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pycf3 is under The BSD 3

The BSD 3-clause license allows you almost unlimited freedom with the software so long as you include the BSD copyright and license notice in it (found in Fulltext).


Please acknowledge pycf3 in any research report or publication that requires citation of any author’s work. Our suggested acknowledgment is:

The authors acknowledge the pycf3 project that contributed to the research reported here. <>


All data exposed by pycf3 belongs to the project

Cosmicflows-3 Distance-Velocity Calculato ( Copyright (C) Cosmicflows Team - The Extragalactic Distance Database (EDD)

Please cite:

Shaya, E. J., Tully, R. B., Hoffman, Y., & Pomarède, D. (2017). Action dynamics of the local supercluster. arXiv preprint arXiv:1710.08935.


    title={Action dynamics of the local supercluster},
    author={Shaya, Edward J and Tully, R Brent and Hoffman, Yehuda and Pomar{\`e}de, Daniel},
    journal={arXiv preprint arXiv:1710.08935},

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