SExtractor
SExtractor (Source Extractor) is a tool for detecting and measuring sources (stars, galaxies, and other astronomical objects) in images. It generates catalogs with positions, fluxes, and morphological parameters.Input formats
.fits, .fit, .png, .jpg, .jpeg, .tiff
Parameters
Outputs
Presets
Compute requirements
Catalog fields
The output catalog includes:- Position — X, Y pixel coordinates (and RA/Dec if WCS is available)
- Flux — integrated flux and peak flux
- Magnitude — instrumental magnitude
- Shape — ellipticity, position angle, FWHM
- Flags — quality flags for each detection