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PRECOLL
Static Version: Max --- 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 6.528e-043.031e-04(2.14+/-0.01)e20.17 +/- 0.14KIP 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 4.470e-043.135e-04(2.13+/-0.01)e20.19 +/- 0.14KIP A: PRE-COLLIMATOR PRT 2 TEMPERATURENo Violation Check
4prt2bt 9.176e-049.256e-05(1.47+/-0.00)e20.04 +/- 0.06KIP B: PRE-COLLIMATOR PRT 2 TEMPERATURENo Violation Check
4prt3at 2.607e-046.402e-05(2.58+/-0.00)e20.03 +/- 0.03KIP A: PRE-COLLIMATOR PRT 3 TEMPERATURENo Violation Check
4prt3bt -3.277e-062.717e-05(1.48+/-0.00)e2-(5.55+/-29.43)e-4KIP B: PRE-COLLIMATOR PRT 3 TEMPERATURENo Violation Check
4prt4at 2.075e-042.687e-04(2.16+/-0.01)e20.27 +/- 0.13KIP A: PRE-COLLIMATOR PRT 4 TEMPERATURENo Violation Check
4prt4bt -6.137e-13999.000(1.48+/-0.00)e2(1.35+/-0.10)e-10KIP B: PRE-COLLIMATOR PRT 4 TEMPERATURENo Violation Check
4prt5at 6.868e-043.475e-04(2.11+/-0.01)e20.27 +/- 0.16KIP A: PRE-COLLIMATOR PRT 5 TEMPERATURENo Violation Check
4prt5bt -1.821e-052.422e-05(1.48+/-0.00)e2-(7.11+/-20.79)e-4KIP 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