A Typical Session: Cook-book

To ensure easy reading, the following notations are used in this Section:

As a useful complement to this Section, an on-line tutorial is available using the command TUTORIAL/LONG. The tutorial procedure is provided in Section 1.10 of Chapter 6, Vol. B of the MIDAS User Guide. The tutorial is activated by the sequence:

Midas...> SET/CONTEXT long
Midas...> TUTO/LONG

The tutorial requires demonstration files which are not included in the standard release of MIDAS. If these files are not already installed, they can be obtained by anonymous ftp or by request from the MIDAS Hot-Line

• Getting Started
  • Set the context
  • Initializing keywords
• Reading the Data
• Pre-processing the spectra
• Getting the Dispersion Solution
  • Line Detection in the Comparison Spectrum
  • Line Identification
  • Determination of the Dispersion Coefficients
  • Possible Graphical Verifications
  • Refining the Dispersion Relation
• Resampling in Wavelength
  • Resampling with the Row-by-Row Solution
  • Resampling with the Bivariate Solution
  • Not Resampling the Data
• Estimating the Sky Background
• Extracting the Spectrum
• Flux Calibration
• End of the Session