List of Figures

Figure 1.1: Grating Offset Positions (FPPOS)

Figure 1.2: The COS Optical Path and the Locations of the Mechanisms.

Figure 1.3: The COS FUV Optical Path.

Figure 1.4: The COS NUV Optical Path.

Figure 1.5: The FUV XDL Detector

Figure 1.6: COS FUV Stim Pulse

Figure 1.7: Example of a COS FUV Spectrum.

Figure 1.8: Example of a COS FUV Pulse Height Distribution

Figure 1.9: Example of a COS NUV Spectrum.

Figure 1.10: COS Coordinate Systems

Figure 2.1: FITS Image Extension File for COS

Figure 2.2: Overlay of FUV ACCUM Subarrays on FUV TIME-TAG Data

Figure 2.3: FITS File Format for Raw and corrected TIME-TAG Tables

Figure 2.4: FITS Array Extension File for COS

Figure 2.5: FITS File Format for Lampflash Table

Figure 2.6: FITS File Format for 1-D Extracted Spectrum Table

Figure 2.7: Sample Association Table l9v221010_asn

Figure 2.8: COS Support File

Figure 2.9: FITS File Format for ACQ/SEARCH and ACQ/PEAKD Data

Figure 2.10: FITS File Format for ACQ/IMAGE Data

Figure 2.11: FITS File Format for jitter Data.

Figure 2.12: FITS File Format for jif Data

Figure 3.1:  FUV TIME-TAG Spectroscopic Pipeline Flow Chart.

Figure 3.2: FUV ACCUM Spectroscopic Pipeline Flow Chart.

Figure 3.3: NUV TIME-TAG Spectroscopic Pipeline Flow Chart

Figure 3.4: NUV ACCUM Spectroscopic Pipeline Flow Chart

Figure 3.5: NUV Image Pipeline Flow Chart

Figure 3.6: A Map of the FUV Geometric Correction

Figure 3.7: FUV and NUV Deadtime

Figure 3.8: Flat-field Images of the NUV MAMA Detector

Figure 3.9: The FUV Flat Field

Figure 3.10: FUV Extraction Regions

Figure 3.11: NUV Extraction Regions

Figure 4.1: Dark Rates

Figure 4.2: FUVA Dark

Figure 4.3: FUVB Dark

Figure 4.4: Gain Sag Effects.

Figure 5.1: Example of an ACQ/SEARCH exposure

Figure 5.2: Example of an image using the PSA and MIRRORB

Figure 5.3: BOA and MIRRORA (left), and the BOA
and MIRRORB (right).