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PRECOLL
Static Version: Min --- 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 -6.938e-042.982e-04(2.14+/-0.01)e2-0.23 +/- 0.18KIP A: PRE-COLLIMATOR PRT 1 TEMPERATURENo Violation Check
4prt1bt -2.251e-13999.000(1.48+/-0.00)e2(1.57+/-0.06)e-10KIP B: PRE-COLLIMATOR PRT 1 TEMPERATURENo Violation Check
4prt2at -8.137e-043.086e-04(2.13+/-0.01)e2-0.25 +/- 0.18KIP A: PRE-COLLIMATOR PRT 2 TEMPERATURENo Violation Check
4prt2bt 1.906e-044.750e-05(1.47+/-0.00)e2-0.02 +/- 0.03KIP B: PRE-COLLIMATOR PRT 2 TEMPERATURENo Violation Check
4prt3at -5.186e-046.959e-05(2.58+/-0.00)e20.02 +/- 0.04KIP A: PRE-COLLIMATOR PRT 3 TEMPERATURENo Violation Check
4prt3bt 2.303e-049.051e-05(1.48+/-0.00)e2-0.11 +/- 0.06KIP B: PRE-COLLIMATOR PRT 3 TEMPERATURENo Violation Check
4prt4at -7.610e-042.692e-04(2.16+/-0.01)e2-0.15 +/- 0.16KIP A: PRE-COLLIMATOR PRT 4 TEMPERATURENo Violation Check
4prt4bt -2.251e-13999.000(1.48+/-0.00)e2(1.57+/-0.06)e-10KIP B: PRE-COLLIMATOR PRT 4 TEMPERATURENo Violation Check
4prt5at -8.126e-043.571e-04(2.11+/-0.01)e2-0.32 +/- 0.22KIP A: PRE-COLLIMATOR PRT 5 TEMPERATURENo Violation Check
4prt5bt 2.079e-048.819e-05(1.48+/-0.00)e2-0.06 +/- 0.06KIP B: PRE-COLLIMATOR PRT 5 TEMPERATURENo Violation Check

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

Data Updated: Jul 21, 2026
Last Site Modification: Sep 30, 2021