IRCS FITS header information

FITS header keywords (Feb 2023 ~)

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.

• IRCS keywords

Old information (~ Jan 2023)

For data taken until January 2023, see here.

-------------------------------------------------------------------------------------------------

updated Feb. 2025