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PRECOLL
Static Version: Min --- Last One Years

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 -2.107e-042.591e-05(2.14+/-0.01)e2-0.01 +/- 0.01KIP A: PRE-COLLIMATOR PRT 1 TEMPERATURENo Violation Check
4prt1bt 1.378e-144.303e-09(1.48+/-0.00)e2-(8.71+/-0.22)e-11KIP B: PRE-COLLIMATOR PRT 1 TEMPERATURENo Violation Check
4prt2at -2.310e-042.707e-05(2.13+/-0.01)e2-0.01 +/- 0.01KIP A: PRE-COLLIMATOR PRT 2 TEMPERATURENo Violation Check
4prt2bt -5.017e-054.362e-06(1.47+/-0.00)e2-(4.03+/-10.27)e-4KIP B: PRE-COLLIMATOR PRT 2 TEMPERATURENo Violation Check
4prt3at -7.633e-056.573e-06(2.58+/-0.00)e2-0.00 +/- 0.00KIP A: PRE-COLLIMATOR PRT 3 TEMPERATURENo Violation Check
4prt3bt -2.037e-057.941e-06(1.48+/-0.00)e2-0.00 +/- 0.00KIP B: PRE-COLLIMATOR PRT 3 TEMPERATURENo Violation Check
4prt4at -2.120e-042.338e-05(2.16+/-0.01)e2-0.01 +/- 0.01KIP A: PRE-COLLIMATOR PRT 4 TEMPERATURENo Violation Check
4prt4bt -5.038e-073.174e-07(1.48+/-0.00)e2-(8.76+/-0.22)e-11KIP B: PRE-COLLIMATOR PRT 4 TEMPERATURENo Violation Check
4prt5at -2.769e-043.198e-05(2.11+/-0.01)e2-0.01 +/- 0.01KIP A: PRE-COLLIMATOR PRT 5 TEMPERATURENo Violation Check
4prt5bt -1.161e-057.659e-06(1.48+/-0.00)e2-0.00 +/- 0.00KIP B: PRE-COLLIMATOR PRT 5 TEMPERATURENo Violation Check

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

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