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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 -0.0013.425e-04(2.14+/-0.01)e2-0.11 +/- 0.19KIP 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 -0.0013.364e-04(2.13+/-0.01)e2-0.08 +/- 0.18KIP A: PRE-COLLIMATOR PRT 2 TEMPERATURENo Violation Check
4prt2bt 3.844e-049.373e-05(1.48+/-0.00)e2-0.07 +/- 0.06KIP B: PRE-COLLIMATOR PRT 2 TEMPERATURENo Violation Check
4prt3at -3.035e-046.627e-05(2.58+/-0.00)e2-0.00 +/- 0.03KIP A: PRE-COLLIMATOR PRT 3 TEMPERATURENo Violation Check
4prt3bt 4.351e-051.974e-05(1.48+/-0.00)e2(3.61+/-18.58)e-4KIP B: PRE-COLLIMATOR PRT 3 TEMPERATURENo Violation Check
4prt4at -0.0013.083e-04(2.16+/-0.01)e2-0.07 +/- 0.17KIP 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 -0.0013.741e-04(2.11+/-0.01)e2-0.15 +/- 0.22KIP A: PRE-COLLIMATOR PRT 5 TEMPERATURENo Violation Check
4prt5bt 2.285e-051.838e-05(1.48+/-0.00)e2(6.89+/-209.60)e-5KIP B: PRE-COLLIMATOR PRT 5 TEMPERATURENo Violation Check

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

Data Updated: Jul 16, 2026
Last Site Modification: Sep 30, 2021