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Python client for Cosmicflows-3 Distance-Velocity Calculator at distances less

Project description

Build Status License Python 3.7+


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](

More information:

Basic Install


$ pip install pycf3

Development Install

  1. Clone this repo and then inside the local

  2. Execute

    $ pip install -e .



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},


Juan BC


This project is part of the QuatroPe scientific tools.

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