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  1. Data Management
  2. DM-11656

Fix ZOGY failure when PSFs are offset

    Details

    • Type: Story
    • Status: In Progress
    • Resolution: Unresolved
    • Fix Version/s: None
    • Component/s: ip_diffim
    • Labels:
      None

      Description

      In DM-10805 we fixed instances where the PSF dimensions between the two images were mismatched, however, this (often) leads to cases where the resized PSFs don't have the same center – in this case, the cross-convolved (PSF matched) images will be offset and the subtraction will be bad.

      This situation happens when the PSF of the template has been warped or is the result of a coadd.

      This needs to be fixed in this ticket.

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            Activity

            reiss David Reiss created issue -
            reiss David Reiss made changes -
            Field Original Value New Value
            Epic Link DM-9989 [ 31470 ]
            reiss David Reiss made changes -
            Link This issue relates to DM-10805 [ DM-10805 ]
            Hide
            reiss David Reiss added a comment -

            A preliminary attempt to fix this has been made by finding the brightest pixel in each PSF and offsetting one or the other until their brightest pixels have the same coordinate.

            Show
            reiss David Reiss added a comment - A preliminary attempt to fix this has been made by finding the brightest pixel in each PSF and offsetting one or the other until their brightest pixels have the same coordinate.
            reiss David Reiss made changes -
            Status To Do [ 10001 ] In Progress [ 3 ]
            reiss David Reiss made changes -
            Epic Link DM-9989 [ 31470 ] DM-9441 [ 30199 ]
            frossie Frossie Economou made changes -
            Status Admin Review [ 3 ] In Progress [ 11605 ]
            frossie Frossie Economou made changes -
            Status Review [ 11605 ] In Progress [ 3 ]

              People

              • Assignee:
                reiss David Reiss
                Reporter:
                reiss David Reiss
                Watchers:
                David Reiss, Michael Wood-Vasey, Yusra AlSayyad
              • Votes:
                0 Vote for this issue
                Watchers:
                3 Start watching this issue

                Dates

                • Created:
                  Updated:

                  Summary Panel