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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 -4.686e-053.045e-05(2.14+/-0.01)e2-0.00 +/- 0.01KIP A: PRE-COLLIMATOR PRT 1 TEMPERATURENo Violation Check
4prt1bt -7.702e-145.054e-09(1.48+/-0.00)e2-(2.44+/-0.25)e-11KIP B: PRE-COLLIMATOR PRT 1 TEMPERATURENo Violation Check
4prt2at -5.026e-053.109e-05(2.13+/-0.01)e20.00 +/- 0.01KIP A: PRE-COLLIMATOR PRT 2 TEMPERATURENo Violation Check
4prt2bt -5.698e-067.779e-06(1.47+/-0.00)e2-0.00 +/- 0.00KIP B: PRE-COLLIMATOR PRT 2 TEMPERATURENo Violation Check
4prt3at -2.911e-056.209e-06(2.58+/-0.00)e2(4.19+/-15.03)e-4KIP A: PRE-COLLIMATOR PRT 3 TEMPERATURENo Violation Check
4prt3bt 1.668e-055.948e-06(1.48+/-0.00)e2(3.17+/-173.50)e-5KIP B: PRE-COLLIMATOR PRT 3 TEMPERATURENo Violation Check
4prt4at -7.396e-052.736e-05(2.16+/-0.01)e2-0.00 +/- 0.01KIP A: PRE-COLLIMATOR PRT 4 TEMPERATURENo Violation Check
4prt4bt -8.664e-097.022e-09(1.48+/-0.00)e2-(2.51+/-0.25)e-11KIP B: PRE-COLLIMATOR PRT 4 TEMPERATURENo Violation Check
4prt5at -6.653e-053.609e-05(2.11+/-0.01)e20.00 +/- 0.01KIP A: PRE-COLLIMATOR PRT 5 TEMPERATURENo Violation Check
4prt5bt 1.295e-055.741e-06(1.48+/-0.00)e2(3.50+/-16.46)e-4KIP B: PRE-COLLIMATOR PRT 5 TEMPERATURENo Violation Check

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

Data Updated: Oct 23, 2026
Last Site Modification: Sep 30, 2021