For more specific details on FGS reference files, see Chapter 3 of the FGS Data Handbook.
FGS Reference Files Documentation:
Frequently Asked Questions.
Q: How do I find the correct reference Transfer Function for the analysis of my double star Transfer Function? A: ...
Status reports reflecting the current understanding of instrument characteristics, performance and calibration.
The FGS Instrument Handbook is the primary guide regarding the characteristics and use of the instrument. The HST Data Handbook is the primary guide for calibration, reduction and analysis of FGS data.
Instrument Science Reports:
ISRs are technical reports written by members of the FGS Group about various aspects of the instrument and data. They usually contain in-depth information about specific topics.
Papers and Proceedings:
Selected FGS related published papers and workshop proceedings.
Examples of how to use various FGS-related tools, calibration and analysis techniques.