Contents

• List of Figures
• List of Tables
• MERITS OF CROSS-DISPERSED ECHELLE SPECTROGRAPHS
• ECHELLE SPECTROGRAPH BASICS
  • The Equation of Echellogram
  • Inclination and Curvature of Spectral Images
  • Separation between the Spectra of Two Adjacent Orders
  • Shape of a Slit Image
  • Blaze Function and the Groove Shadowing Effect
  • Blaze Peak Efficiency
  
  
• IRCS ECHELLE SPECTROGRAPH
  • IRCS Overview
  • Optimized Grating Operation Angle
  • Echelle Simulator for IRCS
  
  
• DATA REDUCTION OF ECHELLE SPECTRA
  • Preparation of Data Reduction
  • Dark Subtraction
  • Flat Fielding
  • Bad Pixel Correction
  • Cosmic-ray Events Correction
  • Aperture Extraction
  • Wavelength Calibration and Distortion Correction
  • Sky Subtraction
  • Wavelength Sensitivity Calibration
  • Flux Calibration
  • Velocity Correction
  
  
• Bibliography