FITS keyword dictionary (FITS Standard 4.0)

ConceptSchemeSemanticRepresentationInformation · http://ontology.oais.info/fits/keywords

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comment What the keywords of FITS headers mean: the 148 keywords defined by the FITS Standard 4.0 (IAU FITS Working Group, 2018), each with the section defining it and its definition there, abridged. Indexed keywords are named as in the Standard: n, i, j and m stand for an index, a for an alternate coordinate description's letter (e.g. NAXISn for NAXIS1, NAXIS2, ...).
label FITS keyword dictionary (FITS Standard 4.0)

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