PSFEx – Astromatic.net

PSFEx (“PSF Extractor”) extracts models of the Point Spread Function (PSF) from FITS images processed with SExtractor, and measures the quality of images. The generated PSF models can be used for model-fitting photometry or morphological analyses.

Author: Emmanuel Bertin

What’s new?

2014-03-20 : At last! By popular request, the official versions of nine AstrOmatic packages have been updated and include all the improvements from the development versions.
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2010-11-08 : PSFEx v3.9.1 released, web page put online.
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Code

Source

Binaries

Documentation

The PSFEx documentation is up-to-date but not yet complete (advanced features not yet documented). More information about how PSFEx works can be found in the (unpublished) paper below.

User’s Manual

PSFEx article

Acknowledging PSFEx

Bertin 2011: Automated Morphometry with SExtractor and PSFEx, ASP Conference Series, Vol. 442, 2011, Ian N. Evans, Alberto Accomazzi, Douglas J. Mink, and Arnold H. Rots, eds., p. 435 [PDF] [BibTeX entry].