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PRECOLL
Static Version: Mean --- Last Three Months

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 6.199e-042.808e-04(2.14+/-0.01)e20.19 +/- 0.13KIP A: PRE-COLLIMATOR PRT 1 TEMPERATURENo Violation Check
4prt1bt -6.137e-13999.000(1.48+/-0.00)e2(1.35+/-0.10)e-10KIP B: PRE-COLLIMATOR PRT 1 TEMPERATURENo Violation Check
4prt2at 5.070e-042.929e-04(2.13+/-0.01)e20.18 +/- 0.14KIP A: PRE-COLLIMATOR PRT 2 TEMPERATURENo Violation Check
4prt2bt 8.520e-046.360e-05(1.47+/-0.00)e20.04 +/- 0.05KIP B: PRE-COLLIMATOR PRT 2 TEMPERATURENo Violation Check
4prt3at 3.679e-046.497e-05(2.58+/-0.00)e20.03 +/- 0.03KIP A: PRE-COLLIMATOR PRT 3 TEMPERATURENo Violation Check
4prt3bt 5.409e-045.392e-05(1.48+/-0.00)e2-0.01 +/- 0.03KIP B: PRE-COLLIMATOR PRT 3 TEMPERATURENo Violation Check
4prt4at 2.489e-042.495e-04(2.16+/-0.01)e20.21 +/- 0.12KIP A: PRE-COLLIMATOR PRT 4 TEMPERATURENo Violation Check
4prt4bt -3.112e-087.115e-08(1.48+/-0.00)e2(1.44+/-0.10)e-10KIP B: PRE-COLLIMATOR PRT 4 TEMPERATURENo Violation Check
4prt5at 6.945e-043.416e-04(2.11+/-0.01)e20.15 +/- 0.16KIP A: PRE-COLLIMATOR PRT 5 TEMPERATURENo Violation Check
4prt5bt 4.852e-045.152e-05(1.48+/-0.00)e2-0.01 +/- 0.02KIP B: PRE-COLLIMATOR PRT 5 TEMPERATURENo Violation Check

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

Data Updated: Dec 21, 2025
Last Site Modification: Sep 30, 2021