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JSOCOPS-164/165/166 #328

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mgennaro
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This PR is an umbrella for updating the SIAF astrometric solution for NIRCam for both Imaging and Coronagraphy. It involves multiple changes highlighted below. Since the 3 JSOCOPS tickets 164/165/166 are interrelated, they are being combined into a single pysiaf PR and correspondingly, only a single NIRCam_SIAF.xml will be delivered to the PRD as part of PRDAPTSOC-064-002. Detailed changes:

  • JSOCOPS-164, using data from PID 1476, 4447 (cycle 1, 2 CAL resp.):

    • New global alignment parameters for the NRC{SCA}_FULL imaging master apertures
    • New distortions polynomial coefficients for the NRC{SCA}_FULL imaging master apertures
  • JSOCOPS-165, using data from PID 4447 (cycle 2 CAL):

    • New global alignment parameters for the NRC{SCA}FULL_WEDGE{RND|BAR} coronagraphy master apertures
    • New distortions polynomial coefficients for the NRC{SCA}_FULL coronagraphy master apertures
  • JSOCOPS-166, using data from several GO/GTO/ERS programs:

    • New science aperture locations for coronagraphy. These correspond to new, more accurate measurements of the location of the coronagraphic occulters.

NOTE: in all of the above cases, the new values are derived using exclusively the 2 filters F210M (for the SW channel) and F335M (for the LW channel). These are the 2 filters used for on-board TA operations, thus they are the most relevant for SIAF.

Mario Gennaro and others added 9 commits November 29, 2023 15:01
…er adding the new distortions for coron this file will need to be modified to have the corresponding secondary apertures match the primary ones
…gles for all the master apertures, for both imaging and coronagraphy
…ture definition file after matching them with the primes using the new alignment and distortions
…ly ones that matter for TA, so this is purely for consistency but without operational consequences
…c plots pertaining the apertures that have been modified in the current PR
@mgennaro mgennaro marked this pull request as ready for review December 1, 2023 21:07
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@Witchblade101 Witchblade101 left a comment

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All changed files match what is expected.

@Witchblade101 Witchblade101 merged commit df620a5 into spacetelescope:siaf-updates Dec 1, 2023
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2 participants