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[ascl:2201.005] AllStarFit: R package for source detection, PSF and multi-component galaxy fitting

AllStarFit analyzes optical and infrared images and includes functions for:
- object detection and image segmentation using the ProFound package (ascl:1804.006);
- PSF determination using the ProFit package (ascl:1612.004) to fit multiple stars in the field simultaneously; and
- galaxy modelling with ProFit, using the previously determined PSF and user-specified models.

AllStarFit supports a variety of optimization methods (provided by external packages), including maximum-likelihood and Markov chain Monte Carlo (MCMC).

Code site:
https://github.com/taranu/AllStarFit
Bibcode:
2022ascl.soft01005T

Views: 2500

ascl:2201.005
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