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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 -1.036e-042.615e-05(2.14+/-0.01)e2-0.00 +/- 0.01KIP A: PRE-COLLIMATOR PRT 1 TEMPERATURENo Violation Check
4prt1bt -2.220e-144.257e-09(1.48+/-0.00)e2-(9.67+/-0.21)e-11KIP B: PRE-COLLIMATOR PRT 1 TEMPERATURENo Violation Check
4prt2at -1.097e-042.681e-05(2.13+/-0.01)e2-0.01 +/- 0.01KIP A: PRE-COLLIMATOR PRT 2 TEMPERATURENo Violation Check
4prt2bt -4.636e-056.453e-06(1.47+/-0.00)e2-(3.87+/-20.59)e-4KIP B: PRE-COLLIMATOR PRT 2 TEMPERATURENo Violation Check
4prt3at -5.345e-055.552e-06(2.58+/-0.00)e2-(9.75+/-13.56)e-4KIP A: PRE-COLLIMATOR PRT 3 TEMPERATURENo Violation Check
4prt3bt -3.816e-064.932e-06(1.48+/-0.00)e20.00 +/- 0.00KIP B: PRE-COLLIMATOR PRT 3 TEMPERATURENo Violation Check
4prt4at -1.068e-042.346e-05(2.16+/-0.01)e2-0.01 +/- 0.01KIP A: PRE-COLLIMATOR PRT 4 TEMPERATURENo Violation Check
4prt4bt -5.104e-095.925e-09(1.48+/-0.00)e2-(9.69+/-0.21)e-11KIP B: PRE-COLLIMATOR PRT 4 TEMPERATURENo Violation Check
4prt5at -1.354e-043.114e-05(2.11+/-0.01)e2-0.00 +/- 0.01KIP A: PRE-COLLIMATOR PRT 5 TEMPERATURENo Violation Check
4prt5bt -3.041e-064.704e-06(1.48+/-0.00)e2(2.04+/-15.19)e-4KIP B: PRE-COLLIMATOR PRT 5 TEMPERATURENo Violation Check

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

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