Information on resource 'Observations of the Sun by CRISP, CRISP2, or CHROMIS on the SST'

This is high-resolution spectro-polarimetric solar data obtained with the CRISP, CRISP2, and CHROMIS imaging spectropolarimeters on the Swedish 1-Meter Solar Telescope (SST). The data products are cubes with dimensions: spatial (about 1000x1000 pixels), spectral (about 10 pixels), stokes (1-4 pixels), and temporal (1-100s of pixels with a cadence of a few seconds).

Details

The data available here are observations from the Swedish 1-meter Solar telescope (SST), using the imaging spectro(polari)meters CRISP, CRISP2, and CHROMIS. The data products are science-ready data cubes in FITS files, produced by running the SSTRED data processing pipeline.

The FITS files are all 5-dimensional, where the dimensions are [spatial, spatial, spectral, Stokes, repeat], although depending on the observing program or processing details, any of the latter three dimensions can be of length unity.

The WCS coordinates are tabulated (except for the Stokes coordinate).

References

  • The SST is described by Scharmer et al. (2003SPIE.4853..341S).
  • The spectro(polari)meters are described by Scharmer et al. (2026A&A...705A..55S).
  • SSTRED is described by Löfdahl et al. (2021A&A...653A..68L).

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