WCS does not roundtrip - Githubissues

spacetelescope / romancal

Python library to process science observations from the Nancy Grace Roman Space Telescope

https://roman-pipeline.readthedocs.io/en/latest/

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WCS does not roundtrip #1272

Closed stscijgbot-rstdms closed 2 weeks ago

stscijgbot-rstdms commented 3 weeks ago

Issue RCAL-856 was created on JIRA by Nadia Dencheva:

It was discovered that the Roman WCS transforms do not roundtrip with the necessary accuracy. This affects the simulator, general testing and imviz. it is a combination of several different issues and this ticket tracks the work and solutions to those issues.

stscijgbot-rstdms commented 2 weeks ago

Comment by Nadia Dencheva on JIRA:

New reference files delivered to CRDS.

romanisim now sets the reference point in V2V3 to the aperture reference point (previously it was set to the ref point of the WFI instrument.

spacetelescope/romanisim#126