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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 -5.764e-042.882e-04(2.14+/-0.01)e2-0.17 +/- 0.18KIP A: PRE-COLLIMATOR PRT 1 TEMPERATURENo Violation Check
4prt1bt -2.498e-13999.000(1.48+/-0.00)e2(1.56+/-0.06)e-10KIP B: PRE-COLLIMATOR PRT 1 TEMPERATURENo Violation Check
4prt2at -0.0013.008e-04(2.13+/-0.01)e2-0.10 +/- 0.18KIP A: PRE-COLLIMATOR PRT 2 TEMPERATURENo Violation Check
4prt2bt 6.745e-054.665e-05(1.47+/-0.00)e2-0.02 +/- 0.03KIP B: PRE-COLLIMATOR PRT 2 TEMPERATURENo Violation Check
4prt3at -4.202e-046.661e-05(2.58+/-0.00)e2-0.00 +/- 0.04KIP A: PRE-COLLIMATOR PRT 3 TEMPERATURENo Violation Check
4prt3bt 3.256e-049.006e-05(1.48+/-0.00)e20.01 +/- 0.06KIP B: PRE-COLLIMATOR PRT 3 TEMPERATURENo Violation Check
4prt4at -6.486e-042.605e-04(2.16+/-0.01)e2-0.08 +/- 0.16KIP A: PRE-COLLIMATOR PRT 4 TEMPERATURENo Violation Check
4prt4bt -2.498e-13999.000(1.48+/-0.00)e2(1.56+/-0.06)e-10KIP B: PRE-COLLIMATOR PRT 4 TEMPERATURENo Violation Check
4prt5at -8.827e-043.475e-04(2.10+/-0.01)e2-0.31 +/- 0.22KIP A: PRE-COLLIMATOR PRT 5 TEMPERATURENo Violation Check
4prt5bt 3.314e-048.785e-05(1.48+/-0.00)e20.06 +/- 0.06KIP B: PRE-COLLIMATOR PRT 5 TEMPERATURENo Violation Check

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

Data Updated: Jul 27, 2026
Last Site Modification: Sep 30, 2021