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PanSTARRS-1 data processing includes many steps to go from raw image data to the archived data products.  Those steps are summarized here, with additional pages for detailed descriptions as needed.

 

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Parent page for the description of PSPS processing.

Planned contents:

Excerpt
  • Summary flowchart of data processing steps, decision points, and products.
  • Calibration algorithm summary:
    • Exposure calibration (detrending)
    • Image combination (stacking)
    • Source detection
    • Flux calibration
    • Astrometric calibration
  • Detrending 
    • masking, overscan subtraction, nonlinearity, bias subtraction, flat field, fringe correction
  • Image stacking 
    • seeing limits, PSF matching (or not)
  • Object detection
  • Flux calibration
    • "Ubercal" process
  • Photometric zero points
  • Astrometric calibration of images (Anton)
  • Extracted catalog photometry
    •   PSF fits 
      • analytic function, residuals, field-of-view dependence, masked pixels, aperture corrections
      • -> PSF photometry
    • Forced Photometry
    • Extended object fits
    • Links to code
  • Known limitations

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