Details
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Type:
Story
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Status: Done
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Resolution: Done
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Fix Version/s: None
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Component/s: None
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Labels:None
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Story Points:6
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Epic Link:
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Sprint:DRP S18-5, DRP S18-6
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Team:Data Release Production
Description
The FGCM solution constrains the atmosphere parameters. Currently, these are persisted in a table. I will add the ability to output an atmosphere transmission function for each visit processed with FGCM. Tests have shown that this can be done at sufficient accuracy (much smaller than 1 mmag offsets) using the FGCM pre-computed atmosphere tables without requiring a run of MODTRAN.
Attachments
Activity
This should be a quick review of what's in obs_base and obs_subaru to add the new transmission_atmosphere_fgcm dataset type. The code in fgcmcal (part of lsst-dm) will be vetted in the future (but does pass my unit tests and flake8).
Looks good; no additional comments.
All done and merged.
Getting started on stack interface. Work on 3rd party-package fgcm is mostly complete, and interpolating pre-computed MODTRAN tables (rather than generating atmospheres from MODTRAN directly) incurs biases of up to 0.03 mmag which I find quite acceptable.