Gala

|logo|

Gala is a Python package for Galactic and gravitational dynamics.

|Affiliated package| |Coverage Status| |Build status| |CodSpeed| |SPEC 0|

Documentation

|Documentation Status|

The documentation for Gala is hosted on Read the docs <http://gala.adrian.pw>__.

Installation and Dependencies

|PyPI|

The easiest way to get Gala is to install with pip or uv.

Gala can be installed with pip (with uv or standalone)::

pip install gala

You can also add gala as a dependency to your environment with::

uv add gala

See the installation instructions <http://gala.adrian.pw/en/latest/install.html>_ in the documentation <http://gala.adrian.pw>__ for more information.

Gala follows SPEC 0 <https://scientific-python.org/specs/spec-0000/>_ for its minimum supported versions of Python and core dependencies (e.g., numpy, scipy): support for a Python version is dropped 3 years after its initial release, and support for a core dependency version is dropped 2 years after its initial release.

Attribution

|JOSS| |DOI|

If you make use of this code, please cite the JOSS <http://joss.theoj.org>_ paper::

@article{gala,
  doi = {10.21105/joss.00388},
  url = {https://doi.org/10.21105%2Fjoss.00388},
  year = 2017,
  month = {oct},
  publisher = {The Open Journal},
  volume = {2},
  number = {18},
  author = {Adrian M. Price-Whelan},
  title = {Gala: A Python package for galactic dynamics},
  journal = {The Journal of Open Source Software}
}

Please also cite the Zenodo DOI |DOI| as a software citation - see the documentation <http://gala.adrian.pw/en/latest/index.html#citation-and-attribution>_ for up to date citation information.

License

|License|

Copyright 2013-2026 Adrian Price-Whelan and contributors.

Gala is free software made available under the MIT License. For details see the LICENSE <https://github.com/adrn/gala/blob/main/LICENSE>_ file.

.. |Coverage Status| image:: https://codecov.io/gh/adrn/gala/branch/main/graph/badge.svg :target: https://codecov.io/gh/adrn/gala .. |Build status| image:: https://github.com/adrn/gala/actions/workflows/tests.yml/badge.svg :target: https://github.com/adrn/gala/actions/workflows/tests.yml .. |CodSpeed| image:: https://img.shields.io/endpoint?url=https://codspeed.io/badge.json :target: https://codspeed.io/adrn/gala .. |License| image:: http://img.shields.io/badge/license-MIT-blue.svg?style=flat :target: https://github.com/adrn/gala/blob/main/LICENSE .. |PyPI| image:: https://badge.fury.io/py/gala.svg :target: https://badge.fury.io/py/gala .. |conda| image:: https://anaconda.org/conda-forge/gala/badges/version.svg :target: https://anaconda.org/conda-forge/gala .. |Documentation Status| image:: https://readthedocs.org/projects/gala-astro/badge/?version=latest :target: http://gala-astro.readthedocs.io/en/latest/?badge=latest .. |Affiliated package| image:: :target: .. |JOSS| image:: :target: .. |DOI| image:: :target: .. |SPEC 0| image:: :target: .. |ASCL| image:: :target: .. |logo| image:: :target: :width: 400

Contributors

See the AUTHORS.rst <https://github.com/adrn/gala/blob/main/AUTHORS.rst>_ file for a complete list of contributors to the project.