COS Instrument Handbook for Cycle 24

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Chapter 2:
Special Considerations for Cycle 24

2.1 COS FUV Detector Lifetime Positions

2.2 COS Observations Below 1150 å: Resolution and Wavelength Calibration Issues

2.3 Time-Dependent Sensitivity Changes

2.4 Spectroscopic Use of the Bright Object Aperture

2.5 Non-Optimal Observing Scenarios

2.6 SNAP, TOO, and Unpredictable Source Programs with COS

2.7 Should I Use COS or STIS?