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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 0.0022.827e-04(2.14+/-0.01)e2-0.07 +/- 0.14KIP A: PRE-COLLIMATOR PRT 1 TEMPERATURENo Violation Check
4prt1bt -6.964e-13999.000(1.48+/-0.00)e2(1.21+/-0.10)e-10KIP B: PRE-COLLIMATOR PRT 1 TEMPERATURENo Violation Check
4prt2at 0.0022.969e-04(2.13+/-0.01)e2-0.11 +/- 0.14KIP A: PRE-COLLIMATOR PRT 2 TEMPERATURENo Violation Check
4prt2bt 0.0028.809e-05(1.48+/-0.00)e20.05 +/- 0.06KIP B: PRE-COLLIMATOR PRT 2 TEMPERATURENo Violation Check
4prt3at 3.838e-045.897e-05(2.58+/-0.00)e2-0.03 +/- 0.02KIP A: PRE-COLLIMATOR PRT 3 TEMPERATURENo Violation Check
4prt3bt 1.146e-042.805e-05(1.48+/-0.00)e20.01 +/- 0.01KIP B: PRE-COLLIMATOR PRT 3 TEMPERATURENo Violation Check
4prt4at 0.0012.464e-04(2.16+/-0.01)e2-0.07 +/- 0.12KIP A: PRE-COLLIMATOR PRT 4 TEMPERATURENo Violation Check
4prt4bt -6.964e-13999.000(1.48+/-0.00)e2(1.21+/-0.10)e-10KIP B: PRE-COLLIMATOR PRT 4 TEMPERATURENo Violation Check
4prt5at 0.0023.302e-04(2.11+/-0.01)e2-0.11 +/- 0.15KIP A: PRE-COLLIMATOR PRT 5 TEMPERATURENo Violation Check
4prt5bt 7.553e-052.588e-05(1.48+/-0.00)e2-0.00 +/- 0.01KIP B: PRE-COLLIMATOR PRT 5 TEMPERATURENo Violation Check

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

Data Updated: Jan 17, 2026
Last Site Modification: Sep 30, 2021