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SPHERE IFS Quality Control:
flat field calibration

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QUALITY CONTROL
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SPHERE QC
Trending & QC1
    IFS FLAT
Pipeline
Data Management
QC links:
 
QC PLOTS
  CURRENT HISTORY
counts
QC1 database (advanced users): browse | plot
   Click on CURRENT to see the current trending (Health Check).
   Click on HISTORY to see the historical evolution of the trending.


IFS raw flat field is acquired during day time. The pipeline recipe requires imaging flats field products and the wavelength calibration product.

IFU_FLAT Image of the IFS_IFU_FLAT_FIELD product to be used in all subsequent steps of the calibrations cascade.
INSTR Zoom of the IFS_INSTRUMENT FLAT_FIELD product.

 

top flat field counts, fixed pattern noise

QC parameters come per per prism (2).

QC1 parameters

parameter QC1 database: table, name procedure
counts sphere_ifs_flat, qc_rawmed_med counts in the raw frame

Trending

The raw frame counts are trended.


 
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