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HSC Data

Source HSC data, upon which our LSB simulated images are based.

Directory Structure

  • calexp : HSC SSC DR1 calexp image files (stripped of mask and weight HDUs)
    • files are in the format 'calexp-FACILITY-BAND-TRACT-PATCH.image.fits'
    • originally 57 files, trimmed to two (minimum and maximum density patches)
    • additional raw data added after trimming to final two:
      • GRIZY coverage
      • segmentation check image
      • segmentation check PNG
  • magellip : plot of apparent magnitude as a function of half-light radii and ellipticity
    • used to calibrate ellipticities
  • magradii : plot of apparent magnitude as a function of half-light radius
    • used to extrapolate half-light radii to the brightest (and faintest) regimes
  • numcounts : plots of galaxy number counts as a function of magnitude
  • patchden : analysis of field densities for original 57 HSC SSC DR1 patches
  • psf : PSF generation, and associated analysis figure
  • sourcecats : generation of source catalogues for 57 unique tract/patch r-band HSC SSC DR1 images
    • one catalogue and one analysis check image (segmentation map) for each of the original 57 patches
    • additionally contains defaults SExtractor config files
    • threshold level histogram and ancilliary data
  • stamps : postage stamp images

manifest_HSC.rds

A complete manifest of all HSC SSC DR1 files, including WCS information, header data and basic aperture flux tests. File in R RDS data format. See Kelvin et al. 2019 for further information.