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  1. Data Management
  2. DM-32055

Measure quality of nominal wcs for AuxTel

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    Details

    • Type: Story
    • Status: Done
    • Resolution: Done
    • Fix Version/s: None
    • Component/s: afw, obs_lsst
    • Labels:
      None
    • Story Points:
      4
    • Team:
      Data Release Production
    • Urgent?:
      No

      Description

      Patrick Ingraham says to use 2021-09-08, seq_nums 526-610 for this.
      Task is to measure for each image the dx, dy, d_boresight_rotation_angle for the fitted wcs vs the raw one.
      For that set: "that set slews to a target, then centers it. So you get several images for a certain object. If you take the first image associated with each object then you'll measure pointing error + whatever else. If you take the last image of each object, you should get only the "whatever else""
      So the deliverable here is the seq_num, dx, dy, d_theta table, and Patrick will do the slicing. Code for making that table will live on this branch, but not be merged, so that it's there for when we have a new list dataIds.

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          mfisherlevine Merlin Fisher-Levine added a comment -

          As discussed OOB, just the PRs on afw and obs_lsst please.

          Show
          mfisherlevine Merlin Fisher-Levine added a comment - As discussed OOB, just the PRs on afw and obs_lsst please.
          Hide
          erykoff Eli Rykoff added a comment -

          Reviewed the prs on afw and obs_lsst and I pronounce them Good.

          Show
          erykoff Eli Rykoff added a comment - Reviewed the prs on afw and obs_lsst and I pronounce them Good.
          Hide
          mfisherlevine Merlin Fisher-Levine added a comment -

          Tooling has been written to make the measurements, and progress on DM-32141 means running this stuff through is now easy, but the dataIds provided above are for very challenging images for doing astrometric matching, so Patrick Ingraham and I need to have a chat about what we actually want, and if we can just measure it from some other data, or ignore the need for delta_theta, or something like that.

          Show
          mfisherlevine Merlin Fisher-Levine added a comment - Tooling has been written to make the measurements, and progress on DM-32141 means running this stuff through is now easy, but the dataIds provided above are for very challenging images for doing astrometric matching, so Patrick Ingraham and I need to have a chat about what we actually want, and if we can just measure it from some other data, or ignore the need for delta_theta, or something like that.
          Hide
          mfisherlevine Merlin Fisher-Levine added a comment -

          Closing this as Done because the code and work was contributed, and there are more formal V&V tasks for actually doing the scientific measurement and validation of the system performance.

          Show
          mfisherlevine Merlin Fisher-Levine added a comment - Closing this as Done because the code and work was contributed, and there are more formal V&V tasks for actually doing the scientific measurement and validation of the system performance.

            People

            Assignee:
            mfisherlevine Merlin Fisher-Levine
            Reporter:
            mfisherlevine Merlin Fisher-Levine
            Reviewers:
            Eli Rykoff
            Watchers:
            Eli Rykoff, Merlin Fisher-Levine
            Votes:
            0 Vote for this issue
            Watchers:
            2 Start watching this issue

              Dates

              Created:
              Updated:
              Resolved:

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