License and Citation

License

The Galaxy Morphology Extractor (GalMEx) package is released under the MIT License, a permissive open-source license that allows reuse with attribution.

In addition to GalMEx, this package depends on several open-source tools and libraries:

  • SEP (Source Extractor in Python) – LGPL License - Based on: Bertin & Arnouts 1996 - Python wrapper: Barbary 2016

  • SExtractor – GPL License (external dependency for some detection steps)

  • Astropy, NumPy, SciPy, Matplotlib – BSD-compatible licenses

  • scikit-image – BSD License

  • Photutils – BSD License (if used)

  • scikit-learn – BSD License (if used)

  • OpenCV, tqdm, Pandas, etc. – MIT/BSD or similar

We thank the authors of these packages for making their work openly available.

Citation

If you use GalMEx in a publication, please cite:

  • Kolesnikov et al. (2024, 2025) – the first reference where MEx was applied.

  • Sampaio et al. (in preparation) – the main reference for MEx (A Zenodo DOI will be provided upon software publication.)

In addition, please cite the original works that GalMEx builds upon:

  • Barbary (2016), SEP: Source Extractor in Python, DOI: [10.5281/zenodo.159035](https://doi.org/10.5281/zenodo.159035)

  • Bertin & Arnouts (1996), SExtractor: Software for source extraction, A&AS, 117, 393

Depending on your use, you may also consider citing:

  • Astropy Collaboration (2018), AJ, 156, 123

  • van der Walt et al. (2011), NumPy

  • Virtanen et al. (2020), SciPy 1.0