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  1. Data Management
  2. DM-37188

ci_cpp has many failed amps in PTC extract

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Details

    • Improvement
    • Status: To Do
    • Resolution: Unresolved
    • None
    • ci_cpp
    • None

    Description

      ci_cpp_gen3 has a large number of warnings coming up from the ptcExtract stage:

       lsst.ptcExtract WARNING: NaN mean or var, or None cov in amp C10 in exposure pair 2021052500123, 2021052500124 of detector 0.
      lsst.ptcExtract WARNING: Mean of amp in image 1 or 2 is NaN: nan, nan.
      lsst.ptcExtract WARNING: NaN mean or var, or None cov in amp C12 in exposure pair 2021052500123, 2021052500124 of detector 0.
      lsst.ptcExtract WARNING: Mean of amp in image 1 or 2 is NaN: nan, nan.
      lsst.ptcExtract WARNING: NaN mean or var, or None cov in amp C16 in exposure pair 2021052500123, 2021052500124 of detector 0.
      lsst.ptcExtract WARNING: Mean of amp in image 1 or 2 is NaN: nan, nan.
      lsst.ptcExtract WARNING: NaN mean or var, or None cov in amp C17 in exposure pair 2021052500123, 2021052500124 of detector 0.
      lsst.ptcExtract WARNING: Mean of amp in image 1 or 2 is NaN: nan, nan.
      lsst.ptcExtract WARNING: NaN mean or var, or None cov in amp C07 in exposure pair 2021052500123, 2021052500124 of detector 0.
      lsst.ptcExtract WARNING: Mean of amp in image 1 or 2 is NaN: nan, nan.
      lsst.ptcExtract WARNING: NaN mean or var, or None cov in amp C06 in exposure pair 2021052500123, 2021052500124 of detector 0.
      lsst.ptcExtract WARNING: Mean of amp in image 1 or 2 is NaN: nan, nan.
      lsst.ptcExtract WARNING: NaN mean or var, or None cov in amp C05 in exposure pair 2021052500123, 2021052500124 of detector 0.
      lsst.ptcExtract WARNING: Mean of amp in image 1 or 2 is NaN: nan, nan.
      lsst.ptcExtract WARNING: NaN mean or var, or None cov in amp C02 in exposure pair 2021052500123, 2021052500124 of detector 0.
      lsst.ptcExtract WARNING: Mean of amp in image 1 or 2 is NaN: nan, nan.
      lsst.ptcExtract WARNING: NaN mean or var, or None cov in amp C00 in exposure pair 2021052500123, 2021052500124 of detector 0.
      

      It seems to be consistently these amplifiers, so there may be a problem at an earlier step that is making those unusable.  Whatever the underlying cause is needs to be investigated, and either the earlier problem fixed, or new data selected that works for all amplifiers.

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            Unassigned Unassigned
            czw Christopher Waters
            Andrés Alejandro Plazas Malagón, Christopher Waters
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              Created:
              Updated:

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