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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.):
JSOCOPS-165, using data from PID 4447 (cycle 2 CAL):
JSOCOPS-166, using data from several GO/GTO/ERS programs:
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.