[LSST|dm-users 635] Re: Error when Running Chris Walter's: Introduction to the DM AFW packages ipython notebook
Robert Lupton the Good
rhl at astro.princeton.edu
Sat May 9 05:35:14 PDT 2015
>>
>> 2. we are about (this month?) to start running experimental brighter-fatter corrections on the HSC side
>>
>
> Are you going to use the A.~Guyonnet, P.~Astier et al. correction method like the DES people?
No, but it's closely related. We basically assume that the pixel distortion field is the gradient of a scalar and solve for the scalar algorithmically from the covariances rather than by hand. It seems to work a little better, but we haven't done large-scale tests
R
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