STEREO LET LEVEL 1 Helium data for ahead spacecraft, for 2015-055 Verified Data - OK to distribute File created: Sun Apr 26 10:36:52 PDT 2015 Created by: Caltech Space Radiation Lab Level 1 software version 11 Time Resolution: 1 minute (highest LET instrument resolution) Note: Timestamps mark beginning of data accumulation interval Column 1: Year Column 2: Day of year (fractional) Column 3: Hour of day Column 4: Minute of hour Column 5: Second of minute Column 6: LET dynamic threshold state (0 - 3) Column 7: LET Livetime (seconds) Column 8: 2.2 - 2.7 MeV/n He intensity (1/(cm^2 s sr MeV/nuc)) Column 9: 2.7 - 3.2 MeV/n He intensity (1/(cm^2 s sr MeV/nuc)) Column 10: 3.2 - 3.6 MeV/n He intensity (1/(cm^2 s sr MeV/nuc)) Column 11: 3.6 - 4.0 MeV/n He intensity (1/(cm^2 s sr MeV/nuc)) Column 12: 4.0 - 4.5 MeV/n He intensity (1/(cm^2 s sr MeV/nuc)) Column 13: 4.5 - 5.0 MeV/n He intensity (1/(cm^2 s sr MeV/nuc)) Column 14: 5.0 - 6.0 MeV/n He intensity (1/(cm^2 s sr MeV/nuc)) Column 15: 6.0 - 8.0 MeV/n He intensity (1/(cm^2 s sr MeV/nuc)) Column 16: 8.0 - 10.0 MeV/n He intensity (1/(cm^2 s sr MeV/nuc)) Column 17: 10.0 - 12.0 MeV/n He intensity (1/(cm^2 s sr MeV/nuc)) Column 18: 12.0 - 15.0 MeV/n He intensity (1/(cm^2 s sr MeV/nuc)) Column 19 - 29: 11 He counts , same energy ranges as above (counts/minute) Bad/missing data are filled with -1.0E+31 for floating point, -2147483647 for integers BEGIN DATA 2015 55.198090 4 45 15 1 52.7618 3.2558E+00 1.1163E+00 8.7208E-01 6.9766E-01 3.7209E-01 1.3953E-01 6.9766E-02 1.1628E-02 0.0000E+00 0.0000E+00 -1.0000E+31 70 24 15 12 8 3 3 1 0 0 -2147483647 2015 55.201563 4 50 15 1 52.0387 2.7823E+00 1.3204E+00 1.0610E+00 9.4314E-01 3.7726E-01 4.7157E-02 4.7157E-02 3.5368E-02 0.0000E+00 0.0000E+00 -1.0000E+31 59 28 18 16 8 1 2 3 0 0 -2147483647 2015 55.205035 4 55 15 1 52.5017 3.5991E+00 8.4134E-01 2.9213E-01 2.9213E-01 9.3482E-02 4.6741E-02 7.0112E-02 0.0000E+00 0.0000E+00 0.0000E+00 -1.0000E+31 77 18 5 5 2 1 3 0 0 0 -2147483647 2015 55.208507 5 0 15 1 54.2090 2.5803E+00 9.9592E-01 6.2245E-01 2.8293E-01 3.1688E-01 4.5269E-02 2.2634E-02 1.1317E-02 0.0000E+00 0.0000E+00 -1.0000E+31 57 22 11 5 7 1 1 1 0 0 -2147483647 2015 55.211979 5 5 15 1 54.8034 1.9255E+00 9.4034E-01 4.4778E-01 2.2389E-01 4.4778E-02 8.9556E-02 0.0000E+00 0.0000E+00 1.1194E-02 0.0000E+00 -1.0000E+31 43 21 8 4 1 2 0 0 1 0 -2147483647 2015 55.878646 21 5 15 1 57.0518 7.7424E-01 3.4411E-01 5.3767E-02 1.0753E-01 4.3013E-02 8.6027E-02 2.1507E-02 0.0000E+00 0.0000E+00 0.0000E+00 -1.0000E+31 18 8 1 2 1 2 1 0 0 0 -2147483647 2015 55.882118 21 10 15 0 57.0791 1.2273E-01 3.5065E-02 1.0958E-02 3.2874E-02 8.7663E-03 0.0000E+00 4.3832E-03 0.0000E+00 0.0000E+00 0.0000E+00 -1.0000E+31 14 4 1 3 1 0 1 0 0 0 -2147483647 2015 55.885590 21 15 15 0 57.0948 1.7528E-01 4.3820E-02 4.3820E-02 0.0000E+00 8.7639E-03 8.7639E-03 0.0000E+00 2.1910E-03 0.0000E+00 0.0000E+00 -1.0000E+31 20 5 4 0 1 1 0 1 0 0 -2147483647 2015 55.889063 21 20 15 0 57.1033 1.5773E-01 7.0101E-02 4.3813E-02 2.1907E-02 8.7626E-03 1.7525E-02 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00 -1.0000E+31 18 8 4 2 1 2 0 0 0 0 -2147483647 2015 55.896007 21 30 15 0 57.1330 1.4889E-01 2.6274E-02 5.4738E-02 2.1895E-02 2.6274E-02 0.0000E+00 8.7581E-03 0.0000E+00 0.0000E+00 0.0000E+00 -1.0000E+31 17 3 5 2 3 0 2 0 0 0 -2147483647 2015 55.899479 21 35 15 0 57.1637 2.1883E-01 6.1274E-02 4.3767E-02 6.5650E-02 1.7507E-02 8.7534E-03 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00 -1.0000E+31 25 7 4 6 2 1 0 0 0 0 -2147483647