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  1. Data Management
  2. DM-38918

Inconsistent application of Astier's amatrix in brighter fatter correction

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    • Bug
    • Status: Done
    • Resolution: Done
    • None
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    • 1
    • Data Release Production
    • No

    Description

      The current implementation of the Brighter Fatter correction takes amatrix from the full covariance fit as-is (they are all positive). However, because of inconsistency in the sign, it doesn't match the current implementation of Coulton's BF correction algorithm (it assumes negative). When it applies the correction, the sign of amatrix needs to be flipped by a -> -a.

      I don't know where this fix should go though.

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            czw Christopher Waters
            youtsumi Yousuke Utsumi
            Andrés Alejandro Plazas Malagón
            Alex Broughton, Andrés Alejandro Plazas Malagón, Christopher Waters, Eli Rykoff, Yousuke Utsumi
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              Updated:
              Resolved:

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