IMAGE2XY(1) astrometry.net IMAGE2XY(1) NAME image2xy - Source extractor. SYNOPSIS image2xy [options] fitsname.fits DESCRIPTION Read a FITS file, find objects, and write out X, Y, FLUX to fit- sname.xy.fits. OPTIONS -e extension Read from a single FITS extension -O Overwrite existing output file. -o file Write XYlist to given filename. -L order Lanczos order -8 Don't use optimization for byte (u8) images. -H Downsample by a factor of 2 before running simplexy. -d factor Downsample by an integer factor before running simplexy. -D factor Downsample, if necessary, by this many factors of two. -s scale Set median-filter box size (default 100 pixels) -w width Set Gaussian PSF sigma (default 1 pixel) -g sigma Set image noise level -p significance Set significance level of peaks in sigmas (default 8 sigmas) -a saddle Set "saddle" level joining peaks i sigmas (default 5 sigmas) -P plane Pull out a single plane of a multi-color image (default: first plane) -b Don't do (median-based) background subtraction -G background Subtract this 'global' background value; implies -b -m Set maximum extended object size for deblending (default 2000 pix- els) -S file Save background-subtracted image to this filename (FITS float image) -B file Save background image to filename -U file Save smoothed background-subtracted image to filename -M file Save mask image to filename -C file Save connected-components image to filename -v Verbose. repeat for more and more verboseness image2xy 'file.fits[1]' Process first extension. image2xy 'file.fits[2]' Process second extension image2xy file.fits+2 Same as above AUTHOR The Astrometry.net team. Principal investigators are David W. Hogg (NYU) and Dustin Lang (CMU). SEE ALSO http://astrometry.net 0.56 July 2015 IMAGE2XY(1)
NAME | SYNOPSIS | DESCRIPTION | OPTIONS | AUTHOR | SEE ALSO
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