List of Tables Table 2.1: FGS1r Dark Counts Table 2.2: FGS1r Dead Times Table 2.3: Approximate Reference Positions of each FGS in the HST Focal Plane Table 2.4: Available Filters Table 3.1: FGS1r TRANSFER Mode Performance: Binary Star Table 4.1: Filters for which FGS1r will be Calibrated Table 4.2: Default FES Times Table 4.3: F-factor Transmission Estimator for Combination of Filter and Color Table 4.4: FGS1r: Dark Counts Table 4.5: Recommended FGS1r Exposure Times Table 4.6: FGS1r Transfer Mode Filters to be Calibrated During Cycle 8 Table 4.7: Suggested Minimum Number of Scans for Separations < 15 mas Table 5.1: FGS1r Position Mode Calibration and Error Source Summary Table 5.2: FGS1r Transfer Mode Calibrations and Error-Source Summary Table 5.3: Library of cycle 10 calibration point source S-curves Table 6.1: FGS Instrument Parameters Table 6.2: Summary of Calibrated Mode and Filter Combination Table 6.3: Pos Mode Optional Parameters Table 6.4: Trans Mode Optional Parameters Table 6.5: Pos Mode Overheads Table 6.6: Pos Mode Overheads and Exposure Time vs. Magnitude Table 6.7: Trans Mode Observing Overheads Table 6.8: Target and Exposure Input for Example 1 Table 6.9: Target and Exposure Input for Example 3 Table 6.10: Reference/Check Star Pattern Table 6.11: Target and Exposure Input for Example 4 Table B.1: FGS1r Angular Resolution Test: Effective Signal-to-Noise Ratios Table B.1: FGS1r Angular Resolution Test: Binary Star Analysis