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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 -0.0022.779e-04(2.14+/-0.01)e20.25 +/- 0.19KIP A: PRE-COLLIMATOR PRT 1 TEMPERATURENo Violation Check
4prt1bt -3.761e-14999.000(1.48+/-0.00)e2(1.27+/-0.15)e-10KIP B: PRE-COLLIMATOR PRT 1 TEMPERATURENo Violation Check
4prt2at -0.0022.868e-04(2.13+/-0.01)e20.25 +/- 0.20KIP A: PRE-COLLIMATOR PRT 2 TEMPERATURENo Violation Check
4prt2bt -8.952e-047.626e-05(1.47+/-0.00)e20.00 +/- 0.05KIP B: PRE-COLLIMATOR PRT 2 TEMPERATURENo Violation Check
4prt3at -1.926e-045.594e-05(2.58+/-0.00)e2-0.01 +/- 0.03KIP A: PRE-COLLIMATOR PRT 3 TEMPERATURENo Violation Check
4prt3bt -2.837e-045.289e-05(1.48+/-0.00)e20.01 +/- 0.04KIP B: PRE-COLLIMATOR PRT 3 TEMPERATURENo Violation Check
4prt4at -0.0022.514e-04(2.16+/-0.01)e20.16 +/- 0.18KIP A: PRE-COLLIMATOR PRT 4 TEMPERATURENo Violation Check
4prt4bt -3.761e-14999.000(1.48+/-0.00)e2(1.27+/-0.15)e-10KIP B: PRE-COLLIMATOR PRT 4 TEMPERATURENo Violation Check
4prt5at -0.0033.269e-04(2.11+/-0.01)e20.35 +/- 0.23KIP A: PRE-COLLIMATOR PRT 5 TEMPERATURENo Violation Check
4prt5bt -2.529e-045.010e-05(1.48+/-0.00)e20.01 +/- 0.04KIP B: PRE-COLLIMATOR PRT 5 TEMPERATURENo Violation Check

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

Data Updated: May 09, 2026
Last Site Modification: Sep 30, 2021