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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 -0.0012.864e-04(2.14+/-0.01)e2-0.14 +/- 0.16KIP A: PRE-COLLIMATOR PRT 1 TEMPERATURENo Violation Check
4prt1bt -3.799e-13999.000(1.48+/-0.00)e2(1.52+/-0.07)e-10KIP B: PRE-COLLIMATOR PRT 1 TEMPERATURENo Violation Check
4prt2at -0.0012.941e-04(2.13+/-0.01)e2-0.18 +/- 0.16KIP A: PRE-COLLIMATOR PRT 2 TEMPERATURENo Violation Check
4prt2bt -3.241e-045.020e-05(1.47+/-0.00)e2-0.01 +/- 0.02KIP B: PRE-COLLIMATOR PRT 2 TEMPERATURENo Violation Check
4prt3at -3.409e-047.013e-05(2.58+/-0.00)e2-0.01 +/- 0.03KIP A: PRE-COLLIMATOR PRT 3 TEMPERATURENo Violation Check
4prt3bt -2.987e-048.634e-05(1.48+/-0.00)e2-0.02 +/- 0.06KIP B: PRE-COLLIMATOR PRT 3 TEMPERATURENo Violation Check
4prt4at -9.942e-042.591e-04(2.16+/-0.01)e2-0.11 +/- 0.15KIP A: PRE-COLLIMATOR PRT 4 TEMPERATURENo Violation Check
4prt4bt -3.799e-13999.000(1.48+/-0.00)e2(1.52+/-0.07)e-10KIP B: PRE-COLLIMATOR PRT 4 TEMPERATURENo Violation Check
4prt5at -0.0023.468e-04(2.10+/-0.01)e2-0.24 +/- 0.20KIP A: PRE-COLLIMATOR PRT 5 TEMPERATURENo Violation Check
4prt5bt -2.668e-048.317e-05(1.48+/-0.00)e2-0.03 +/- 0.06KIP B: PRE-COLLIMATOR PRT 5 TEMPERATURENo Violation Check

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

Data Updated: Sep 12, 2026
Last Site Modification: Sep 30, 2021