STEREO LET LEVEL 1 combined Helium data for ahead spacecraft, for 2015-019 Verified Data - OK to distribute File created: Tue Apr 7 10:36:34 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 These data are binned into wider energy ranges than the raw data. They should be useful for plotting trends or computing ratios. 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: 4.0 - 6.0 MeV/n He intensity (1/(cm^2 s sr MeV/nuc)) Column 9: 6.0 - 10.0 MeV/n He intensity (1/(cm^2 s sr MeV/nuc)) Column 10: 10.0 - 15.0 MeV/n He intensity (1/(cm^2 s sr MeV/nuc)) Column 11 - 13: 3 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 19.587037 14 5 20 0 59.1448 0.0000E+00 0.0000E+00 -1.0000E+31 0 0 -2147483647 2015 19.590509 14 10 20 0 59.1462 0.0000E+00 1.0575E-03 -1.0000E+31 0 1 -2147483647 2015 19.593981 14 15 20 0 59.1499 2.1149E-03 0.0000E+00 -1.0000E+31 1 0 -2147483647 2015 19.597454 14 20 20 0 59.1475 0.0000E+00 0.0000E+00 -1.0000E+31 0 0 -2147483647 2015 19.600926 14 25 20 0 59.1475 2.1149E-03 0.0000E+00 -1.0000E+31 1 0 -2147483647 2015 19.604398 14 30 20 0 59.1474 2.1149E-03 1.0575E-03 -1.0000E+31 1 1 -2147483647 2015 19.607870 14 35 20 0 59.1448 2.1150E-03 0.0000E+00 -1.0000E+31 1 0 -2147483647 2015 19.614815 14 45 20 0 59.1475 0.0000E+00 0.0000E+00 -1.0000E+31 0 0 -2147483647 2015 19.618287 14 50 20 0 59.1449 0.0000E+00 0.0000E+00 -1.0000E+31 0 0 -2147483647 2015 19.621759 14 55 20 0 59.1474 0.0000E+00 1.0575E-03 -1.0000E+31 0 1 -2147483647 2015 19.625220 15 0 19 0 59.1463 2.1150E-03 1.0575E-03 -1.0000E+31 1 1 -2147483647 2015 19.628692 15 5 19 0 59.1486 2.1149E-03 2.1149E-03 -1.0000E+31 1 2 -2147483647 2015 19.632164 15 10 19 0 59.1449 4.2301E-03 0.0000E+00 -1.0000E+31 2 0 -2147483647 2015 19.635637 15 15 19 0 59.1435 2.1151E-03 0.0000E+00 -1.0000E+31 1 0 -2147483647 2015 19.639109 15 20 19 0 59.1448 2.1150E-03 0.0000E+00 -1.0000E+31 1 0 -2147483647 2015 19.642581 15 25 19 0 59.1499 4.2297E-03 0.0000E+00 -1.0000E+31 2 0 -2147483647 2015 19.646053 15 30 19 0 59.1448 2.1150E-03 3.1726E-03 -1.0000E+31 1 3 -2147483647