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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 -0.0013.008e-04(2.14+/-0.01)e2-0.07 +/- 0.16KIP A: PRE-COLLIMATOR PRT 1 TEMPERATURENo Violation Check
4prt1bt -4.588e-13999.000(1.48+/-0.00)e2(1.60+/-0.09)e-10KIP B: PRE-COLLIMATOR PRT 1 TEMPERATURENo Violation Check
4prt2at -7.147e-042.928e-04(2.13+/-0.01)e2-0.07 +/- 0.16KIP A: PRE-COLLIMATOR PRT 2 TEMPERATURENo Violation Check
4prt2bt -3.775e-049.414e-05(1.47+/-0.00)e2-0.05 +/- 0.05KIP B: PRE-COLLIMATOR PRT 2 TEMPERATURENo Violation Check
4prt3at -6.500e-055.698e-05(2.58+/-0.00)e20.00 +/- 0.02KIP A: PRE-COLLIMATOR PRT 3 TEMPERATURENo Violation Check
4prt3bt -2.400e-052.116e-05(1.48+/-0.00)e2-0.01 +/- 0.00KIP B: PRE-COLLIMATOR PRT 3 TEMPERATURENo Violation Check
4prt4at -7.151e-042.788e-04(2.16+/-0.01)e2-0.09 +/- 0.16KIP A: PRE-COLLIMATOR PRT 4 TEMPERATURENo Violation Check
4prt4bt -4.588e-13999.000(1.48+/-0.00)e2(1.60+/-0.09)e-10KIP B: PRE-COLLIMATOR PRT 4 TEMPERATURENo Violation Check
4prt5at -0.0013.415e-04(2.11+/-0.01)e2-0.10 +/- 0.19KIP A: PRE-COLLIMATOR PRT 5 TEMPERATURENo Violation Check
4prt5bt -6.490e-052.138e-05(1.48+/-0.00)e2-0.02 +/- 0.00KIP B: PRE-COLLIMATOR PRT 5 TEMPERATURENo Violation Check

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

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