Version: 2.2.0 – Date: Feb 18, 2025
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 a coordinated package of Astropy and integrates well with other Astropy packages, making it a powerful tool for astronomical image analysis.
Important
If you use Photutils for a project that leads to a publication, whether directly or as a dependency of another package, please include an acknowledgment and/or citation.
New to Photutils? Check out the getting started guides. They contain an overview of Photutils and an introduction to its main concepts.
The user guide provides in-depth information on the key concepts of Photutils with useful background information and explanation.
The reference guide contains a detailed description of the functions, modules, and objects included in Photutils. It assumes that you have an understanding of the key concepts.
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