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An Astropy package for source detection and photometry

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  • License: BSD License (Copyright (c) 2011-2025, Photutils Developers All rights reserved. Redistribution and use in source...)
  • Author: Photutils Developers
  • Tags astronomy, astrophysics, photometry, aperture, psf, source detection, background, segmentation, centroids, isophote, morphology, radial profiles
  • Requires: Python >=3.11
  • Provides-Extra: all, test, docs
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Project description

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Photutils is a Python library that provides commonly-used tools and key functionality for detecting and performing photometry of astronomical sources. Tools are provided for background estimation, star finding, source detection and extraction, aperture photometry, PSF photometry, image segmentation, centroids, radial profiles, and elliptical isophote fitting. It is an a coordinated package of Astropy and integrates well with other Astropy packages, making it a powerful tool for astronomical image analysis.

Please see the online documentation for installation instructions and usage information.

Citing Photutils

Zenodo Latest DOI

If you use Photutils for a project that leads to a publication, whether directly or as a dependency of another package, please include the following acknowledgment:

This research made use of Photutils, an Astropy package for
detection and photometry of astronomical sources (Bradley et al.
<YEAR>).

where (Bradley et al. <YEAR>) is a citation to the Zenodo record of the Photutils version that was used. We also encourage citations in the main text wherever appropriate. Please see the CITATION file for details and an example BibTeX entry.

License

Photutils is licensed under a 3-clause BSD license. Please see the LICENSE file for details.

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