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PRECOLL
Static Version: Mean --- Last One Years

One Week Three Month One Year Five Year Full Range Min Mean Max

Delta/Yr below is a slope of the linear fitting over the data of the period. Delta/Yr/Yr is a slope of the liner fitting over the devivative data of the period. Slope listed on a linked plot is the slope computed on the last few periods of the data to show the direction of the trend, and different from that of Delta/Yr.

MSID MeanRMSDelta/YrDelta/Yr/YrUnitDescriptionLimit Violation
4prt1at 1.271e-046.934e-05(2.14+/-0.01)e20.00 +/- 0.02KIP A: PRE-COLLIMATOR PRT 1 TEMPERATURENo Violation Check
4prt1bt 5.351e-131.105e-08(1.48+/-0.00)e2(1.64+/-0.01)e-10KIP B: PRE-COLLIMATOR PRT 1 TEMPERATURENo Violation Check
4prt2at 1.773e-047.106e-05(2.13+/-0.01)e20.01 +/- 0.02KIP A: PRE-COLLIMATOR PRT 2 TEMPERATURENo Violation Check
4prt2bt 9.844e-051.613e-05(1.47+/-0.00)e2-0.00 +/- 0.01KIP B: PRE-COLLIMATOR PRT 2 TEMPERATURENo Violation Check
4prt3at -1.034e-041.548e-05(2.58+/-0.00)e20.00 +/- 0.00KIP A: PRE-COLLIMATOR PRT 3 TEMPERATURENo Violation Check
4prt3bt -6.720e-051.109e-05(1.48+/-0.00)e2(1.75+/-31.21)e-4KIP B: PRE-COLLIMATOR PRT 3 TEMPERATURENo Violation Check
4prt4at 8.882e-056.240e-05(2.16+/-0.01)e20.01 +/- 0.02KIP A: PRE-COLLIMATOR PRT 4 TEMPERATURENo Violation Check
4prt4bt 1.595e-064.846e-07(1.48+/-0.00)e2(1.66+/-0.01)e-10KIP B: PRE-COLLIMATOR PRT 4 TEMPERATURENo Violation Check
4prt5at 1.715e-048.282e-05(2.11+/-0.01)e20.01 +/- 0.02KIP A: PRE-COLLIMATOR PRT 5 TEMPERATURENo Violation Check
4prt5bt -5.993e-051.055e-05(1.48+/-0.00)e2(5.09+/-284.30)e-5KIP B: PRE-COLLIMATOR PRT 5 TEMPERATURENo Violation Check

If you have any questions, please contact swolk@cfa.harvard.edu.

Data Updated: Jan 16, 2026
Last Site Modification: Sep 30, 2021