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PRECOLL
Static Version: Mean --- 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 6.777e-046.815e-05(2.14+/-0.01)e20.01 +/- 0.02KIP A: PRE-COLLIMATOR PRT 1 TEMPERATURENo Violation Check
4prt1bt 6.652e-131.108e-08(1.48+/-0.00)e2(1.65+/-0.01)e-10KIP B: PRE-COLLIMATOR PRT 1 TEMPERATURENo Violation Check
4prt2at 6.194e-047.041e-05(2.13+/-0.01)e20.02 +/- 0.02KIP A: PRE-COLLIMATOR PRT 2 TEMPERATURENo Violation Check
4prt2bt 1.636e-041.699e-05(1.47+/-0.00)e2-0.00 +/- 0.01KIP B: PRE-COLLIMATOR PRT 2 TEMPERATURENo Violation Check
4prt3at 6.083e-051.547e-05(2.58+/-0.00)e20.00 +/- 0.00KIP A: PRE-COLLIMATOR PRT 3 TEMPERATURENo Violation Check
4prt3bt -2.870e-051.175e-05(1.48+/-0.00)e2-(7.57+/-34.43)e-4KIP B: PRE-COLLIMATOR PRT 3 TEMPERATURENo Violation Check
4prt4at 6.134e-046.119e-05(2.16+/-0.01)e20.01 +/- 0.02KIP A: PRE-COLLIMATOR PRT 4 TEMPERATURENo Violation Check
4prt4bt 2.286e-064.868e-07(1.48+/-0.00)e2(1.67+/-0.01)e-10KIP B: PRE-COLLIMATOR PRT 4 TEMPERATURENo Violation Check
4prt5at 8.036e-048.202e-05(2.11+/-0.01)e20.01 +/- 0.02KIP A: PRE-COLLIMATOR PRT 5 TEMPERATURENo Violation Check
4prt5bt -2.436e-051.121e-05(1.48+/-0.00)e2-(8.82+/-31.78)e-4KIP B: PRE-COLLIMATOR PRT 5 TEMPERATURENo Violation Check

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

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