12.19 Cycle 31 Calibration Program

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The Cycle 31 calibration plans for COS continue the routine calibration and monitoring programs performed in previous Cycles. Brief descriptions of the programs are listed in Table 12.2. The full calibration plan for Cycle 31 is listed in Table 12.25. Two contingency programs introduced in Cycle 17 are included in this cycle; both FUV and NUV Detector Recovery After Anomalous Shutdown. Two contingency programs introduced in Cycle 28 are included in this cycle as well. The program COS FUV Change in Spectroscopic Sensitivity Trends is a supplement to the COS FUV Spectroscopic Sensitivity Monitor and is activated when the time-dependent sensitivity appears to be changing on short timescales. The COS FUV Characterization of Modal Gain When Changing High Voltage program is activated when the high voltage of the FUV detector is changed.


Table 12.25: Cycle 31 Calibration Programs.

Program NameProgram ID

Cycle 31 COS NUV MAMA Fold Distribution

17318

Cycle 31 COS NUV Detector Dark Monitor

17317

Cycle 31 COS NUV Spectroscopic Sensitivity Monitor

17319

Cycle 31 COS NUV Wavelength Scale Monitor

17320

Cycle 31 COS NUV Target Acquisition Monitor

17321

Cycle 31 COS FUV Detector Gain Maps

17325

Cycle 31 COS FUV Detector Dark Monitor

17324

Cycle 31 COS FUV Spectroscopic Sensitivity Monitor

17326

Cycle 31 COS FUV Wavelength Scale Monitor

17327
Cycle 31 COS FUV Target Acquisition Monitor17582
Cycle 31 COS FUV Detector Recovery After Anomalous Shutdown*
17322

Cycle 31 COS NUV Detector Recovery After Anomalous Shutdown*
17323

Cycle 31 COS FUV Change in Spectroscopic Sensitivity Trends*17328
Cycle 31 COS FUV Characterization of Modal Gain When Changing High Voltage*17329

*contingency program


If your program requires calibrations beyond those described here, then you should explicitly include this calibration in your Phase I proposal.

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