.. _refpix_selectors:

Reference Selection Keywords for REFPIX
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CRDS selects appropriate REFPIX references based on the following keywords.
REFPIX is not applicable for instruments not in the table.
All keywords used for file selection are *required*.

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Instrument Keywords                                         
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NIRSpec    INSTRUME, DETECTOR, READPATT, DATE-OBS, TIME-OBS 
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