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The SONG-China data processing pipeline.

Project description


SONG stands for Stellar Observations Network Group.

This package, songcn, is designed for the SONG-China project.

The affliated song package is the SONG-China project data processing pipeline. The affliated twodspec is to provide basic operations for raw 2D spectral data.



    song image collection management
    ThAr wavelength calibration module for SONG. Loads templates.


    the aperture class
    wavelength calibration module
    basic CCD operations
    spectral extraction module
    scattered-light substraction module
  • trace
    trace aperture


SmoothingSpline is from

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