STEREO LET LEVEL 1 Helium data for ahead spacecraft, for 2015-066 Verified Data - OK to distribute File created: Mon May 25 10:34:41 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 66.864734 20 45 13 1 56.9662 3.2308E+00 1.7662E+00 1.6693E+00 1.0769E+00 7.7540E-01 3.8770E-01 2.5847E-01 1.2923E-01 1.0769E-02 0.0000E+00 -1.0000E+31 75 41 31 20 18 9 12 12 1 0 -2147483647 2015 66.868206 20 50 13 1 57.0248 3.4857E+00 1.8935E+00 1.5600E+00 6.9930E-01 6.8854E-01 4.7337E-01 3.2275E-01 1.0758E-01 2.1517E-02 0.0000E+00 -1.0000E+31 81 44 29 13 16 11 15 10 2 0 -2147483647 2015 66.871678 20 55 13 1 57.1493 2.9629E+00 2.5764E+00 1.1272E+00 1.0735E+00 6.0116E-01 6.4410E-01 4.0793E-01 1.3955E-01 2.1470E-02 1.0735E-02 -1.0000E+31 69 60 21 20 14 15 19 13 2 1 -2147483647 2015 66.875150 21 0 13 1 57.2314 3.2159E+00 1.6294E+00 1.1256E+00 5.8958E-01 3.4303E-01 1.7151E-01 3.2159E-01 1.1792E-01 3.2159E-02 0.0000E+00 -1.0000E+31 75 38 21 11 8 4 15 11 3 0 -2147483647 2015 66.878623 21 5 13 1 57.1325 2.7490E+00 1.9758E+00 1.0738E+00 9.1274E-01 6.0134E-01 1.7181E-01 2.5772E-01 1.3960E-01 3.2214E-02 1.0738E-02 -1.0000E+31 64 46 20 17 14 4 12 13 3 1 -2147483647 2015 66.882095 21 10 13 1 56.6509 4.5484E+00 1.9060E+00 1.7869E+00 1.1371E+00 7.3640E-01 4.7649E-01 3.4654E-01 1.1912E-01 4.3318E-02 0.0000E+00 -1.0000E+31 105 44 33 21 17 11 16 11 4 0 -2147483647 2015 66.885567 21 15 13 1 56.8190 2.5482E+00 2.0299E+00 1.1337E+00 8.0980E-01 8.6379E-01 3.8871E-01 3.2392E-01 6.4784E-02 3.2392E-02 3.2392E-02 -1.0000E+31 59 47 21 15 20 9 15 6 3 3 -2147483647 2015 66.889039 21 20 13 1 57.3198 2.1834E+00 1.3700E+00 8.0273E-01 7.4921E-01 3.4250E-01 5.1375E-01 1.0703E-01 1.4984E-01 1.0703E-02 1.0703E-02 -1.0000E+31 51 32 15 14 8 12 5 14 1 1 -2147483647 2015 66.892512 21 25 13 1 57.1342 2.1476E+00 1.3744E+00 5.9058E-01 8.5903E-01 4.7246E-01 5.1542E-01 1.5033E-01 5.3689E-02 1.0738E-02 0.0000E+00 -1.0000E+31 50 32 11 16 11 12 7 5 1 0 -2147483647 2015 66.944595 22 40 13 1 57.2620 2.9570E+00 1.3714E+00 6.9640E-01 4.8212E-01 2.1428E-01 2.9999E-01 2.1428E-01 7.4997E-02 3.2142E-02 2.1428E-02 -1.0000E+31 69 32 13 9 5 7 10 7 3 2 -2147483647 2015 66.948067 22 45 13 1 57.3572 1.7969E+00 1.4975E+00 8.0221E-01 5.8828E-01 8.1290E-01 4.2784E-01 2.3531E-01 8.5569E-02 0.0000E+00 0.0000E+00 -1.0000E+31 42 35 15 11 19 10 11 8 0 0 -2147483647 2015 66.951539 22 50 13 1 57.4303 2.3929E+00 1.3246E+00 1.1751E+00 5.8754E-01 5.5549E-01 4.2730E-02 1.2819E-01 7.4777E-02 0.0000E+00 1.0682E-02 -1.0000E+31 56 31 22 11 13 1 6 7 0 1 -2147483647 2015 66.955012 22 55 13 1 57.4539 2.3919E+00 8.9696E-01 9.6103E-01 6.4068E-01 4.6983E-01 4.6983E-01 1.2814E-01 8.5425E-02 2.1356E-02 1.0678E-02 -1.0000E+31 56 21 18 12 11 11 6 8 2 1 -2147483647 2015 66.958484 23 0 13 1 57.5722 2.1739E+00 1.4066E+00 1.0656E+00 4.2625E-01 2.1312E-01 3.4100E-01 1.4919E-01 1.0656E-02 2.1312E-02 1.0656E-02 -1.0000E+31 51 33 20 8 5 8 7 1 2 1 -2147483647