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image2xy - Online in the Cloud

Run image2xy in OnWorks free hosting provider over Ubuntu Online, Fedora Online, Windows online emulator or MAC OS online emulator

This is the command image2xy that can be run in the OnWorks free hosting provider using one of our multiple free online workstations such as Ubuntu Online, Fedora Online, Windows online emulator or MAC OS online emulator

PROGRAM:

NAME


image2xy - Source extractor.

SYNOPSIS


image2xy [options] fitsname.fits

DESCRIPTION


Read a FITS file, find objects, and write out X, Y, FLUX to fitsname.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 pixels)

-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

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