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  1. Data Management
  2. DM-9855

Select images for coadd based on PSF quality.

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    Description

      In HSC, there are a number of ways that the PSF modeling with psfex can be poor. Most of the time this is because the seeing is too good, but there can be other things that cause problems. We would like to reject these images when building the coadd. This ticket is to write an image selector that selects on the quality of the PSF based on the residuals of the second moments.

      Attachments

        1. bad_ccd_visit.png
          bad_ccd_visit.png
          36 kB
        2. bad_ccd.png
          bad_ccd.png
          42 kB
        3. outlier.png
          outlier.png
          50 kB
        4. res_median_log.png
          res_median_log.png
          46 kB
        5. res_median.png
          res_median.png
          52 kB
        6. res_scatter.png
          res_scatter.png
          47 kB
        7. update_res_median.png
          update_res_median.png
          56 kB
        8. update_res_scatter.png
          update_res_scatter.png
          50 kB

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              rearmstr Bob Armstrong
              rearmstr Bob Armstrong
              Bob Armstrong, Jim Bosch, Paul Price
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