Contents

• 1 Introduction
  • 1.1 The Ginga Mission
  • 1.2 The Data
• 2 The Data System
  • 2.1 Converting the FRF Database to FITS Format
    • 2.1.1 FRF Files
    • 2.1.2 Catalog Files
    • 2.1.3 The fsortac Parameter Interface
    • 2.1.4 Running fsortac
  • 2.2 Sorting and Selecting Data
  • 2.3 Cleaning Data
  • 2.4 Subtracting Background
    • 2.4.1 Modelling Induced Background
    • 2.4.2 Fitting the Background
    • 2.4.3 Generating an Estimated Background
    • 2.4.4 Doing the subtraction
  • 2.5 Correcting Attitude
  • 2.6 Generating xspec compatible Files
  • 2.7 Generating a Response File
• A Appendices
  • A.1 Acknowledgements
  • A.2 Remaining Work
  • A.3 Housekeeping Data
  • A.4 Further Assistance
• References
• About this document ...