EE/notes.txt at master · jacobdparker/EE · GitHub

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Quick notes on using L2 data.

Slit jaw:

IDL> read_iris_l2, sjifile, index, data

Spectra:

IDL> read_iris_l2, rastfile, index, data, WAVE= 'Si IV'


Handy structure tags:

   NAXIS1          LONG               289
   NAXIS2          LONG              1093
   NAXIS3          LONG              2000
   CDELT1          DOUBLE         0.025440000
   CDELT2          DOUBLE          0.16635000
   CDELT3          DOUBLE           0.0000000
   CRPIX1          DOUBLE           1.0000000
   CRPIX2          DOUBLE           547.00000
   CRPIX3          DOUBLE           1000.0000
   CRVAL1          DOUBLE           1398.6500
   CRVAL2          DOUBLE           259.66300
   CRVAL3          DOUBLE           187.39500
   CTYPE1          STRING    'WAVE'
   CTYPE2          STRING    'HPLT-TAN'
   CTYPE3          STRING    'HPLN-TAN'
   CUNIT1          STRING    'Angstrom'
   CUNIT2          STRING    'arcsec'
   CUNIT3          STRING    'arcsec'
   WAVELNTH        DOUBLE           1402.7700
   WAVENAME        STRING    'Si IV 1403'
   WAVEMIN         DOUBLE           1398.6500
   WAVEMAX         DOUBLE           1405.9800


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