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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 -8.184e-042.714e-04(2.14+/-0.01)e2-0.28 +/- 0.15KIP A: PRE-COLLIMATOR PRT 1 TEMPERATURENo Violation Check
4prt1bt -4.710e-13999.000(1.48+/-0.00)e2(1.67+/-0.08)e-10KIP B: PRE-COLLIMATOR PRT 1 TEMPERATURENo Violation Check
4prt2at -6.565e-042.791e-04(2.13+/-0.01)e2-0.15 +/- 0.15KIP A: PRE-COLLIMATOR PRT 2 TEMPERATURENo Violation Check
4prt2bt -1.218e-043.432e-05(1.47+/-0.00)e2-0.01 +/- 0.01KIP B: PRE-COLLIMATOR PRT 2 TEMPERATURENo Violation Check
4prt3at -4.647e-057.136e-05(2.58+/-0.00)e20.03 +/- 0.03KIP A: PRE-COLLIMATOR PRT 3 TEMPERATURENo Violation Check
4prt3bt -4.033e-049.224e-05(1.48+/-0.00)e2-0.04 +/- 0.05KIP B: PRE-COLLIMATOR PRT 3 TEMPERATURENo Violation Check
4prt4at -6.159e-042.480e-04(2.16+/-0.01)e2-0.17 +/- 0.14KIP A: PRE-COLLIMATOR PRT 4 TEMPERATURENo Violation Check
4prt4bt -4.710e-13999.000(1.48+/-0.00)e2(1.67+/-0.08)e-10KIP B: PRE-COLLIMATOR PRT 4 TEMPERATURENo Violation Check
4prt5at -0.0013.303e-04(2.10+/-0.01)e2-0.33 +/- 0.19KIP A: PRE-COLLIMATOR PRT 5 TEMPERATURENo Violation Check
4prt5bt -4.530e-049.070e-05(1.48+/-0.00)e2-0.01 +/- 0.05KIP B: PRE-COLLIMATOR PRT 5 TEMPERATURENo Violation Check

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

Data Updated: Oct 22, 2026
Last Site Modification: Sep 30, 2021