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.
Information for this page should come from Magnier et al 2016.
Parent page for the description of PSPS processing.
- Summary flowchart of data processing steps, decision points, and products.
- Calibration algorithm summary:
- Exposure calibration (detrending)
- Initial astrometric calibration
- Image combination (stacking)
- Source detection
- Flux calibration
- Final astrometric calibration
- Detrending (Chris Waters)
- masking, overscan subtraction, nonlinearity, bias subtraction, flat field, fringe correction
- Image stacking (Chris Waters)
- seeing limits, PSF matching (or not)
- Object detection (Eugene Magnier)
- Flux calibration (Eugene Magnier)
- Relative Photometric Calibration (Ubercal)
- Absolute Photometric Calibration
- Photometric zero points (Eugene Magnier / Eddie Schlafly)
- Astrometric calibration of images (Eugene Magnier) (Anton)
- Extracted catalog photometry (Eugene Magnier)
- PSF fits
- analytic function, residuals, field-of-view dependence, masked pixels, aperture corrections
- -> PSF photometry
- Forced Photometry
- Extended object fits
- Links to code
- PSF fits
- Known limitations