STEREO LET LEVEL 1 Helium data for ahead spacecraft, for 2015-017 Verified Data - OK to distribute File created: Tue Apr 7 10:36:23 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 17.000231 0 0 20 0 59.0869 8.4685E-02 2.5405E-02 2.1171E-02 1.0586E-02 1.6937E-02 8.4685E-03 1.2703E-02 4.2342E-03 6.3514E-03 2.1171E-03 -1.0000E+31 10 3 2 1 2 1 3 2 3 1 -2147483647 2015 17.003704 0 5 20 0 59.0869 5.9279E-02 3.3874E-02 1.0586E-02 3.1757E-02 3.3874E-02 8.4685E-03 4.2342E-03 4.2342E-03 0.0000E+00 0.0000E+00 -1.0000E+31 7 4 1 3 4 1 1 2 0 0 -2147483647 2015 17.007176 0 10 20 0 59.0866 1.0162E-01 2.5406E-02 1.0586E-02 1.0586E-02 5.9280E-02 8.4685E-03 2.1171E-02 0.0000E+00 6.3514E-03 4.2343E-03 -1.0000E+31 12 3 1 1 7 1 5 0 3 2 -2147483647 2015 17.010648 0 15 20 0 59.0892 5.0809E-02 3.3873E-02 2.1170E-02 7.4096E-02 1.6936E-02 3.3873E-02 2.1170E-02 4.2341E-03 0.0000E+00 0.0000E+00 -1.0000E+31 6 4 2 7 2 4 5 2 0 0 -2147483647 2015 17.014120 0 20 20 0 59.0879 5.9278E-02 5.9278E-02 0.0000E+00 4.2342E-02 2.5405E-02 1.6937E-02 4.2342E-03 2.1171E-03 2.1171E-03 0.0000E+00 -1.0000E+31 7 7 0 4 3 2 1 1 1 0 -2147483647 2015 17.017593 0 25 20 0 59.0889 9.3150E-02 2.5405E-02 3.1756E-02 1.0585E-02 8.4682E-03 8.4682E-03 1.2702E-02 4.2341E-03 0.0000E+00 2.1170E-03 -1.0000E+31 11 3 3 1 1 1 3 2 0 1 -2147483647 2015 17.021065 0 30 20 0 59.0852 5.9281E-02 5.9281E-02 4.2344E-02 0.0000E+00 8.4687E-03 8.4687E-03 8.4687E-03 2.1172E-03 4.2344E-03 0.0000E+00 -1.0000E+31 7 7 4 0 1 1 2 1 2 0 -2147483647 2015 17.024537 0 35 20 0 59.0888 5.9277E-02 3.3873E-02 5.2926E-02 5.2926E-02 5.0809E-02 0.0000E+00 8.4682E-03 6.3511E-03 2.1170E-03 0.0000E+00 -1.0000E+31 7 4 5 5 6 0 2 3 1 0 -2147483647 2015 17.028009 0 40 20 0 59.0925 6.7741E-02 6.7741E-02 2.1169E-02 1.0585E-02 2.5403E-02 8.4677E-03 0.0000E+00 0.0000E+00 2.1169E-03 2.1169E-03 -1.0000E+31 8 8 2 1 3 1 0 0 1 1 -2147483647 2015 17.031481 0 45 20 0 59.0925 5.9274E-02 8.4677E-03 3.1754E-02 3.1754E-02 1.6935E-02 0.0000E+00 4.2338E-03 2.1169E-03 0.0000E+00 0.0000E+00 -1.0000E+31 7 1 3 3 2 0 1 1 0 0 -2147483647 2015 17.034954 0 50 20 0 59.0817 9.3161E-02 5.0815E-02 3.1760E-02 5.2933E-02 2.5408E-02 0.0000E+00 1.2704E-02 2.1173E-03 2.1173E-03 2.1173E-03 -1.0000E+31 11 6 3 5 3 0 3 1 1 1 -2147483647 2015 17.038426 0 55 20 0 59.0892 5.9277E-02 4.2341E-02 6.3511E-02 1.0585E-02 0.0000E+00 8.4681E-03 4.2341E-03 2.1170E-03 0.0000E+00 2.1170E-03 -1.0000E+31 7 5 6 1 0 1 1 1 0 1 -2147483647 2015 17.041898 1 0 20 0 59.0914 7.6210E-02 4.2339E-02 3.1754E-02 3.1754E-02 0.0000E+00 3.3871E-02 1.2702E-02 4.2339E-03 2.1170E-03 0.0000E+00 -1.0000E+31 9 5 3 3 0 4 3 2 1 0 -2147483647 2015 17.045370 1 5 20 0 59.0852 1.4397E-01 3.3875E-02 2.1172E-02 2.1172E-02 0.0000E+00 1.6937E-02 8.4687E-03 2.1172E-03 0.0000E+00 0.0000E+00 -1.0000E+31 17 4 2 2 0 2 2 1 0 0 -2147483647 2015 17.048843 1 10 20 0 59.0833 1.4397E-01 8.4690E-03 7.4104E-02 2.1172E-02 8.4690E-03 2.5407E-02 8.4690E-03 0.0000E+00 0.0000E+00 0.0000E+00 -1.0000E+31 17 1 7 2 1 3 2 0 0 0 -2147483647 2015 17.052315 1 15 20 0 59.0821 1.0163E-01 3.3877E-02 3.1759E-02 2.1173E-02 3.3877E-02 8.4692E-03 0.0000E+00 6.3519E-03 0.0000E+00 0.0000E+00 -1.0000E+31 12 4 3 2 4 1 0 3 0 0 -2147483647 2015 17.055787 1 20 20 0 59.0832 8.4690E-02 4.2345E-02 7.4104E-02 3.1759E-02 4.2345E-02 2.5407E-02 8.4690E-03 8.4690E-03 2.1172E-03 2.1172E-03 -1.0000E+31 10 5 7 3 5 3 2 4 1 1 -2147483647 2015 17.059259 1 25 20 0 59.0870 7.6216E-02 6.7748E-02 7.4099E-02 0.0000E+00 1.6937E-02 8.4684E-03 1.6937E-02 0.0000E+00 0.0000E+00 0.0000E+00 -1.0000E+31 9 8 7 0 2 1 4 0 0 0 -2147483647 2015 17.062731 1 30 20 0 59.0869 8.4685E-02 6.7748E-02 2.1171E-02 5.2928E-02 3.3874E-02 8.4685E-03 2.9640E-02 4.2342E-03 0.0000E+00 0.0000E+00 -1.0000E+31 10 8 2 5 4 1 7 2 0 0 -2147483647 2015 17.066204 1 35 20 0 59.0831 4.2345E-02 5.0814E-02 4.2345E-02 2.1173E-02 8.4690E-03 0.0000E+00 8.4690E-03 4.2345E-03 0.0000E+00 2.1173E-03 -1.0000E+31 5 6 4 2 1 0 2 2 0 1 -2147483647 2015 17.069676 1 40 20 0 59.0877 1.0162E-01 1.6937E-02 2.1171E-02 2.1171E-02 2.5405E-02 4.2342E-02 4.2342E-03 4.2342E-03 6.3513E-03 0.0000E+00 -1.0000E+31 12 2 2 2 3 5 1 2 3 0 -2147483647 2015 17.198148 4 45 20 0 59.0866 6.7748E-02 5.0811E-02 2.1171E-02 0.0000E+00 2.5406E-02 1.6937E-02 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00 -1.0000E+31 8 6 2 0 3 2 0 0 0 0 -2147483647 2015 17.201620 4 50 20 0 59.0904 1.1008E-01 4.2340E-02 3.1755E-02 1.0585E-02 3.3872E-02 1.6936E-02 2.5404E-02 6.3510E-03 4.2340E-03 0.0000E+00 -1.0000E+31 13 5 3 1 4 2 6 3 2 0 -2147483647 2015 17.205093 4 55 20 0 59.0951 1.5241E-01 8.4673E-03 5.2921E-02 1.0584E-02 1.6935E-02 1.6935E-02 0.0000E+00 6.3505E-03 0.0000E+00 0.0000E+00 -1.0000E+31 18 1 5 1 2 2 0 3 0 0 -2147483647 2015 17.208565 5 0 20 0 59.0915 1.6936E-02 1.6936E-02 7.4093E-02 1.0585E-02 8.4678E-03 1.6936E-02 1.2702E-02 4.2339E-03 0.0000E+00 0.0000E+00 -1.0000E+31 2 2 7 1 1 2 3 2 0 0 -2147483647 2015 17.212037 5 5 20 0 59.0899 6.7744E-02 5.0808E-02 5.2925E-02 4.2340E-02 1.6936E-02 0.0000E+00 4.2340E-03 4.2340E-03 0.0000E+00 2.1170E-03 -1.0000E+31 8 6 5 4 2 0 1 2 0 1 -2147483647 2015 17.215509 5 10 20 0 59.0867 7.6216E-02 4.2342E-02 5.2928E-02 1.0586E-02 2.5405E-02 0.0000E+00 8.4685E-03 0.0000E+00 4.2342E-03 0.0000E+00 -1.0000E+31 9 5 5 1 3 0 2 0 2 0 -2147483647 2015 17.218981 5 15 20 0 59.0923 6.7742E-02 3.3871E-02 1.0585E-02 2.1169E-02 3.3871E-02 0.0000E+00 8.4677E-03 4.2338E-03 2.1169E-03 0.0000E+00 -1.0000E+31 8 4 1 2 4 0 2 2 1 0 -2147483647 2015 17.222454 5 20 20 0 59.0923 5.9274E-02 6.7741E-02 5.2923E-02 1.0585E-02 2.5403E-02 0.0000E+00 4.2338E-03 6.3508E-03 4.2338E-03 0.0000E+00 -1.0000E+31 7 8 5 1 3 0 1 3 2 0 -2147483647 2015 17.225926 5 25 20 0 59.0879 5.9278E-02 3.3873E-02 2.1171E-02 2.1171E-02 1.6937E-02 4.2342E-02 1.6937E-02 6.3512E-03 0.0000E+00 0.0000E+00 -1.0000E+31 7 4 2 2 2 5 4 3 0 0 -2147483647 2015 17.229398 5 30 20 0 59.0903 5.0808E-02 5.9276E-02 4.2340E-02 1.0585E-02 1.6936E-02 8.4680E-03 8.4680E-03 2.1170E-03 2.1170E-03 0.0000E+00 -1.0000E+31 6 7 4 1 2 1 2 1 1 0 -2147483647 2015 17.243287 5 50 20 0 59.0856 6.7749E-02 5.9281E-02 1.0586E-02 6.3515E-02 1.6937E-02 4.2343E-02 1.6937E-02 4.2343E-03 2.1172E-03 2.1172E-03 -1.0000E+31 8 7 1 6 2 5 4 2 1 1 -2147483647 2015 17.246759 5 55 20 0 59.0845 1.2703E-01 7.6219E-02 2.1172E-02 3.1758E-02 0.0000E+00 8.4688E-03 4.2344E-03 4.2344E-03 0.0000E+00 0.0000E+00 -1.0000E+31 15 9 2 3 0 1 1 2 0 0 -2147483647 2015 17.250231 6 0 20 0 59.0881 9.3151E-02 8.4683E-02 2.1171E-02 3.1756E-02 0.0000E+00 1.6937E-02 1.2702E-02 2.1171E-03 0.0000E+00 0.0000E+00 -1.0000E+31 11 10 2 3 0 2 3 1 0 0 -2147483647 2015 17.253704 6 5 20 0 59.0891 5.9277E-02 6.7745E-02 3.1756E-02 2.1170E-02 2.5404E-02 3.3873E-02 0.0000E+00 8.4682E-03 2.1170E-03 2.1170E-03 -1.0000E+31 7 8 3 2 3 4 0 4 1 1 -2147483647 2015 17.257176 6 10 20 0 59.0889 9.3150E-02 3.3873E-02 2.1170E-02 2.1170E-02 1.6936E-02 0.0000E+00 8.4682E-03 6.3511E-03 2.1170E-03 0.0000E+00 -1.0000E+31 11 4 2 2 2 0 2 3 1 0 -2147483647 2015 17.260648 6 15 20 0 59.0963 7.6204E-02 3.3868E-02 5.2919E-02 6.3503E-02 1.6934E-02 0.0000E+00 8.4671E-03 2.1168E-03 0.0000E+00 0.0000E+00 -1.0000E+31 9 4 5 6 2 0 2 1 0 0 -2147483647 2015 17.264120 6 20 20 0 59.0878 6.7747E-02 6.7747E-02 1.0585E-02 3.1756E-02 1.6937E-02 1.6937E-02 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00 -1.0000E+31 8 8 1 3 2 2 0 0 0 0 -2147483647 2015 17.267593 6 25 20 0 59.0807 5.9285E-02 5.0816E-02 2.1173E-02 2.1173E-02 0.0000E+00 1.6939E-02 2.9643E-02 1.0587E-02 8.4693E-03 0.0000E+00 -1.0000E+31 7 6 2 2 0 2 7 5 4 0 -2147483647 2015 17.271065 6 30 20 0 59.0809 1.2704E-01 5.0816E-02 2.1173E-02 5.2933E-02 1.6939E-02 3.3877E-02 4.2347E-03 2.1173E-03 2.1173E-03 0.0000E+00 -1.0000E+31 15 6 2 5 2 4 1 1 1 0 -2147483647 2015 17.274537 6 35 20 0 59.0788 5.9287E-02 6.7757E-02 3.1761E-02 7.4109E-02 3.3879E-02 1.6939E-02 8.4696E-03 0.0000E+00 0.0000E+00 0.0000E+00 -1.0000E+31 7 8 3 7 4 2 2 0 0 0 -2147483647 2015 17.278009 6 40 20 0 59.0821 7.6222E-02 4.2346E-02 3.1759E-02 7.4105E-02 1.6938E-02 2.5407E-02 1.6938E-02 6.3519E-03 0.0000E+00 4.2346E-03 -1.0000E+31 9 5 3 7 2 3 4 3 0 2 -2147483647 2015 17.281481 6 45 20 0 59.0835 5.9283E-02 7.6221E-02 4.2345E-02 1.0586E-02 8.4689E-03 0.0000E+00 8.4689E-03 6.3517E-03 2.1172E-03 0.0000E+00 -1.0000E+31 7 9 4 1 1 0 2 3 1 0 -2147483647 2015 17.934259 22 25 20 0 59.1476 0.0000E+00 8.4598E-03 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00 -1.0000E+31 0 1 0 0 0 0 0 0 0 0 -2147483647 2015 17.937731 22 30 20 0 59.1437 0.0000E+00 0.0000E+00 0.0000E+00 1.0575E-02 0.0000E+00 8.4603E-03 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00 -1.0000E+31 0 0 0 1 0 1 0 0 0 0 -2147483647 2015 17.941204 22 35 20 0 59.1438 0.0000E+00 0.0000E+00 1.0575E-02 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00 -1.0000E+31 0 0 1 0 0 0 0 0 0 0 -2147483647 2015 17.944676 22 40 20 0 59.1464 0.0000E+00 8.4599E-03 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00 2.1150E-03 -1.0000E+31 0 1 0 0 0 0 0 0 0 1 -2147483647 2015 17.948148 22 45 20 0 59.1437 0.0000E+00 8.4603E-03 0.0000E+00 1.0575E-02 0.0000E+00 8.4603E-03 4.2302E-03 0.0000E+00 0.0000E+00 0.0000E+00 -1.0000E+31 0 1 0 1 0 1 1 0 0 0 -2147483647 2015 17.951620 22 50 20 0 59.1436 8.4604E-03 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00 4.2302E-03 0.0000E+00 0.0000E+00 -1.0000E+31 1 0 0 0 0 0 0 2 0 0 -2147483647 2015 17.955093 22 55 20 0 59.1424 8.4605E-03 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00 -1.0000E+31 1 0 0 0 0 0 0 0 0 0 -2147483647 2015 17.958565 23 0 20 0 59.1449 8.4602E-03 8.4602E-03 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00 4.2301E-03 2.1150E-03 0.0000E+00 0.0000E+00 -1.0000E+31 1 1 0 0 0 0 1 1 0 0 -2147483647 2015 17.962037 23 5 20 0 59.1425 0.0000E+00 8.4605E-03 1.0576E-02 0.0000E+00 0.0000E+00 8.4605E-03 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00 -1.0000E+31 0 1 1 0 0 1 0 0 0 0 -2147483647 2015 17.968981 23 15 20 0 59.1435 0.0000E+00 0.0000E+00 1.0575E-02 0.0000E+00 0.0000E+00 8.4604E-03 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00 -1.0000E+31 0 0 1 0 0 1 0 0 0 0 -2147483647 2015 17.972454 23 20 20 0 59.1436 8.4603E-03 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00 4.2302E-03 0.0000E+00 0.0000E+00 0.0000E+00 -1.0000E+31 1 0 0 0 0 0 1 0 0 0 -2147483647 2015 17.975926 23 25 20 0 59.1449 0.0000E+00 1.6920E-02 0.0000E+00 0.0000E+00 0.0000E+00 1.6920E-02 4.2301E-03 0.0000E+00 0.0000E+00 0.0000E+00 -1.0000E+31 0 2 0 0 0 2 1 0 0 0 -2147483647 2015 17.979398 23 30 20 0 59.1486 0.0000E+00 8.4596E-03 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00 -1.0000E+31 0 1 0 0 0 0 0 0 0 0 -2147483647 2015 17.982870 23 35 20 0 59.1462 0.0000E+00 8.4600E-03 1.0575E-02 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00 4.2300E-03 0.0000E+00 0.0000E+00 -1.0000E+31 0 1 1 0 0 0 0 2 0 0 -2147483647 2015 17.986343 23 40 20 0 59.1423 0.0000E+00 8.4605E-03 0.0000E+00 1.0576E-02 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00 -1.0000E+31 0 1 0 1 0 0 0 0 0 0 -2147483647 2015 17.989815 23 45 20 0 59.1474 8.4598E-03 8.4598E-03 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00 -1.0000E+31 1 1 0 0 0 0 0 0 0 0 -2147483647 2015 17.993287 23 50 20 0 59.1474 0.0000E+00 0.0000E+00 1.0575E-02 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00 -1.0000E+31 0 0 1 0 0 0 0 0 0 0 -2147483647