IRCS FITS header information
FITS header keywords (Apr 2026 ~)
Here are examples of the IRCS FITS header.
- Imaging mode
- Grism mode
- Echelle mode (SPG array)
- Echelle mode (CAM array as slitviewer)
- Imaging polarimetry
- Spectropolarimetry
See below for the IRCS keyword dictionary.
Old information (until Mar 2026)
For data taken until March 2026, see here.
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updated April 2026