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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 -1.837e-042.534e-05(2.14+/-0.01)e2-(3.53+/-73.83)e-4KIP A: PRE-COLLIMATOR PRT 1 TEMPERATURENo Violation Check
4prt1bt 2.077e-154.181e-09(1.48+/-0.00)e2-(1.20+/-0.02)e-10KIP B: PRE-COLLIMATOR PRT 1 TEMPERATURENo Violation Check
4prt2at -2.081e-042.644e-05(2.13+/-0.01)e2-0.00 +/- 0.01KIP A: PRE-COLLIMATOR PRT 2 TEMPERATURENo Violation Check
4prt2bt -5.328e-054.410e-06(1.47+/-0.00)e2(6.26+/-108.70)e-5KIP B: PRE-COLLIMATOR PRT 2 TEMPERATURENo Violation Check
4prt3at -7.364e-056.208e-06(2.58+/-0.00)e2-(2.12+/-14.30)e-4KIP A: PRE-COLLIMATOR PRT 3 TEMPERATURENo Violation Check
4prt3bt -4.082e-057.744e-06(1.48+/-0.00)e2(7.68+/-26.83)e-4KIP B: PRE-COLLIMATOR PRT 3 TEMPERATURENo Violation Check
4prt4at -1.808e-042.281e-05(2.16+/-0.01)e2-0.00 +/- 0.01KIP A: PRE-COLLIMATOR PRT 4 TEMPERATURENo Violation Check
4prt4bt -5.313e-073.105e-07(1.48+/-0.00)e2-(1.20+/-0.02)e-10KIP B: PRE-COLLIMATOR PRT 4 TEMPERATURENo Violation Check
4prt5at -2.446e-043.120e-05(2.11+/-0.01)e2-0.00 +/- 0.01KIP A: PRE-COLLIMATOR PRT 5 TEMPERATURENo Violation Check
4prt5bt -3.175e-057.481e-06(1.48+/-0.00)e20.00 +/- 0.00KIP B: PRE-COLLIMATOR PRT 5 TEMPERATURENo Violation Check

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

Data Updated: Jun 11, 2026
Last Site Modification: Sep 30, 2021