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Do you know of any other data analysis algorithm that fits 2-D analytic functions to galaxies and point sources directly to digital images, other than GALFIT? Especially to subtract lens light from strong lensing images?

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  • $\begingroup$ Welcome to astronomy SE! Did I guess the link to the package correctly? $\endgroup$ – B--rian Apr 11 at 14:01
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    $\begingroup$ @B--rian Yes thank you! $\endgroup$ – bea Apr 12 at 6:47
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The two most general, publicly available packages for galaxy image fitting (other than GALFIT) are probably Imfit and ProFit. (Note that I am the developer of Imfit.)

There is also Lenstronomy, which is specialized for fitting gravitational lenses; this might be more relevant to your particular needs, though I know very little about it.

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