STEREO LET LEVEL 1 Helium data for ahead spacecraft, for 2015-309 Verified Data - OK to distribute File created: Thu Jan 21 11:08:17 PST 2016 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 309.953056 22 52 24 0 57.1141 2.6283E-01 1.9274E-01 1.2046E-01 3.2854E-02 4.3805E-02 8.7610E-03 1.7522E-02 4.3805E-03 0.0000E+00 0.0000E+00 -1.0000E+31 30 22 11 3 5 1 4 2 0 0 -2147483647 2015 309.953750 22 53 24 0 57.1000 2.1908E-01 9.6395E-02 6.5724E-02 9.8585E-02 3.5053E-02 1.7526E-02 1.7526E-02 4.3816E-03 2.1908E-03 0.0000E+00 -1.0000E+31 25 11 6 9 4 2 4 2 1 0 -2147483647 2015 309.954444 22 54 24 0 57.1336 2.8026E-01 1.4889E-01 9.8527E-02 9.8527E-02 3.5032E-02 1.7516E-02 4.3790E-03 4.3790E-03 0.0000E+00 4.3790E-03 -1.0000E+31 32 17 9 9 4 2 1 2 0 2 -2147483647 2015 309.955139 22 55 24 0 57.1310 2.3648E-01 1.3138E-01 6.5688E-02 5.4740E-02 2.6275E-02 8.7584E-03 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00 -1.0000E+31 27 15 6 5 3 1 0 0 0 0 -2147483647 2015 309.955833 22 56 24 0 57.1386 1.7514E-01 9.6329E-02 6.5679E-02 1.0947E-02 5.2543E-02 6.1301E-02 4.3786E-03 4.3786E-03 2.1893E-03 0.0000E+00 -1.0000E+31 20 11 6 1 6 7 1 2 1 0 -2147483647 2015 309.956528 22 57 24 0 57.1565 2.5388E-01 1.1381E-01 7.6602E-02 3.2829E-02 6.1281E-02 2.6263E-02 1.3132E-02 4.3772E-03 0.0000E+00 0.0000E+00 -1.0000E+31 29 13 7 3 7 3 3 2 0 0 -2147483647 2015 309.957222 22 58 24 0 57.1785 2.1003E-01 2.1003E-01 1.2033E-01 4.3756E-02 1.7502E-02 8.7511E-03 0.0000E+00 4.3756E-03 0.0000E+00 0.0000E+00 -1.0000E+31 24 24 11 4 2 1 0 2 0 0 -2147483647 2015 309.957917 22 59 24 0 57.1761 2.1879E-01 1.1377E-01 7.6575E-02 4.3757E-02 1.7503E-02 2.6254E-02 8.7515E-03 0.0000E+00 0.0000E+00 0.0000E+00 -1.0000E+31 25 13 7 4 2 3 2 0 0 0 -2147483647 2015 309.958611 23 0 24 0 57.1440 2.3642E-01 1.0508E-01 1.0945E-01 5.4727E-02 0.0000E+00 2.6269E-02 4.3782E-03 6.5673E-03 0.0000E+00 0.0000E+00 -1.0000E+31 27 12 10 5 0 3 1 3 0 0 -2147483647 2015 309.959306 23 1 24 0 57.1476 2.5392E-01 1.3134E-01 6.5669E-02 4.3779E-02 8.7558E-03 8.7558E-03 1.3134E-02 2.1890E-03 0.0000E+00 0.0000E+00 -1.0000E+31 29 15 6 4 1 1 3 1 0 0 -2147483647 2015 309.960000 23 2 24 0 57.1207 3.0660E-01 1.0512E-01 7.6650E-02 8.7600E-02 3.5040E-02 8.7600E-03 1.7520E-02 2.1900E-03 0.0000E+00 0.0000E+00 -1.0000E+31 35 12 7 8 4 1 4 1 0 0 -2147483647 2015 309.960694 23 3 24 0 57.1180 3.4166E-01 1.0512E-01 8.7604E-02 4.3802E-02 3.5042E-02 1.7521E-02 1.3141E-02 2.1901E-03 2.1901E-03 0.0000E+00 -1.0000E+31 39 12 8 4 4 2 3 1 1 0 -2147483647 2015 309.961389 23 4 24 0 57.0885 4.2948E-01 1.4900E-01 8.7649E-02 6.5737E-02 2.6295E-02 8.7649E-03 4.3825E-03 0.0000E+00 0.0000E+00 0.0000E+00 -1.0000E+31 49 17 8 6 3 1 1 0 0 0 -2147483647 2015 309.962083 23 5 24 0 57.1169 2.0149E-01 1.3141E-01 6.5704E-02 2.1901E-02 3.5042E-02 8.7605E-03 4.3803E-03 0.0000E+00 2.1901E-03 0.0000E+00 -1.0000E+31 23 15 6 2 4 1 1 0 1 0 -2147483647 2015 309.962778 23 6 24 0 57.1400 2.5395E-01 1.8390E-01 1.3136E-01 6.5678E-02 2.6271E-02 4.3785E-02 1.7514E-02 0.0000E+00 0.0000E+00 0.0000E+00 -1.0000E+31 29 21 12 6 3 5 4 0 0 0 -2147483647 2015 309.963472 23 7 24 0 57.1426 2.4519E-01 1.5762E-01 9.8512E-02 1.0946E-02 3.5026E-02 0.0000E+00 4.3783E-03 0.0000E+00 0.0000E+00 0.0000E+00 -1.0000E+31 28 18 9 1 4 0 1 0 0 0 -2147483647 2015 309.964167 23 8 24 0 57.1388 2.4520E-01 1.5763E-01 8.7572E-02 8.7572E-02 2.6272E-02 0.0000E+00 2.1893E-02 0.0000E+00 2.1893E-03 0.0000E+00 -1.0000E+31 28 18 8 8 3 0 5 0 1 0 -2147483647 2015 309.964861 23 9 24 0 57.1234 2.9782E-01 2.0147E-01 4.3798E-02 5.4747E-02 3.5038E-02 5.2557E-02 4.3798E-03 0.0000E+00 0.0000E+00 0.0000E+00 -1.0000E+31 34 23 4 5 4 6 1 0 0 0 -2147483647 2015 309.965556 23 10 24 0 57.1434 2.7145E-01 1.1383E-01 9.8510E-02 2.1891E-02 2.6269E-02 2.6269E-02 1.3135E-02 0.0000E+00 2.1891E-03 0.0000E+00 -1.0000E+31 31 13 9 2 3 3 3 0 1 0 -2147483647 2015 309.966250 23 11 24 0 57.1458 3.9403E-01 9.6317E-02 1.2040E-01 3.2835E-02 2.6268E-02 8.7561E-03 1.3134E-02 0.0000E+00 0.0000E+00 0.0000E+00 -1.0000E+31 45 11 11 3 3 1 3 0 0 0 -2147483647 2015 309.966944 23 12 24 0 57.1717 3.1508E-01 1.6629E-01 1.4222E-01 1.0940E-02 0.0000E+00 8.7522E-03 8.7522E-03 4.3761E-03 2.1880E-03 0.0000E+00 -1.0000E+31 36 19 13 1 0 1 2 2 1 0 -2147483647 2015 309.967639 23 13 24 0 57.1769 2.1003E-01 1.6628E-01 1.0939E-01 4.3757E-02 3.5005E-02 8.7514E-03 4.3757E-03 4.3757E-03 0.0000E+00 0.0000E+00 -1.0000E+31 24 19 10 4 4 1 1 2 0 0 -2147483647 2015 309.968333 23 14 24 0 57.1579 2.6263E-01 1.0505E-01 1.2037E-01 2.1886E-02 2.6263E-02 3.5017E-02 1.7509E-02 4.3771E-03 2.1886E-03 0.0000E+00 -1.0000E+31 30 12 11 2 3 4 4 2 1 0 -2147483647 2015 309.969028 23 15 24 0 57.1437 2.5394E-01 7.0052E-02 9.8510E-02 3.2837E-02 5.2539E-02 1.7513E-02 1.3135E-02 4.3782E-03 2.1891E-03 0.0000E+00 -1.0000E+31 29 8 9 3 6 2 3 2 1 0 -2147483647 2015 309.969722 23 16 24 0 57.1262 3.0657E-01 1.3139E-01 8.7591E-02 2.1898E-02 3.5037E-02 1.7518E-02 0.0000E+00 0.0000E+00 2.1898E-03 0.0000E+00 -1.0000E+31 35 15 8 2 4 2 0 0 1 0 -2147483647 2015 309.970417 23 17 24 0 57.1551 1.8385E-01 1.1381E-01 9.8490E-02 5.4717E-02 2.6264E-02 8.7547E-03 8.7547E-03 0.0000E+00 2.1887E-03 0.0000E+00 -1.0000E+31 21 13 9 5 3 1 2 0 1 0 -2147483647 2015 309.971111 23 18 24 0 57.1659 2.2758E-01 1.6631E-01 1.2035E-01 6.5648E-02 2.6259E-02 4.3765E-02 4.3765E-03 6.5648E-03 0.0000E+00 0.0000E+00 -1.0000E+31 26 19 11 6 3 5 1 3 0 0 -2147483647 2015 309.971806 23 19 24 0 57.1428 2.8021E-01 1.4011E-01 6.5674E-02 5.4729E-02 1.7513E-02 7.8809E-02 8.7566E-03 2.1891E-03 2.1891E-03 0.0000E+00 -1.0000E+31 32 16 6 5 2 9 2 1 1 0 -2147483647 2015 309.972500 23 20 24 0 57.1764 3.7631E-01 1.1377E-01 1.0939E-01 4.3757E-02 3.5006E-02 8.7514E-03 8.7514E-03 0.0000E+00 0.0000E+00 0.0000E+00 -1.0000E+31 43 13 10 4 4 1 2 0 0 0 -2147483647 2015 309.973194 23 21 24 0 57.1754 2.9755E-01 1.1377E-01 4.3758E-02 2.1879E-02 2.6255E-02 8.7516E-03 1.3127E-02 2.1879E-03 0.0000E+00 0.0000E+00 -1.0000E+31 34 13 4 2 3 1 3 1 0 0 -2147483647 2015 309.973889 23 22 24 0 57.1681 3.3260E-01 1.2254E-01 9.8468E-02 3.2823E-02 1.7505E-02 8.7527E-03 1.7505E-02 4.3763E-03 0.0000E+00 0.0000E+00 -1.0000E+31 38 14 9 3 2 1 4 2 0 0 -2147483647 2015 309.974583 23 23 24 0 57.1397 2.1893E-01 1.3136E-01 9.8517E-02 4.3785E-02 8.7571E-03 8.7571E-03 4.3785E-03 0.0000E+00 0.0000E+00 0.0000E+00 -1.0000E+31 25 15 9 4 1 1 1 0 0 0 -2147483647 2015 309.975278 23 24 24 0 57.1100 2.6285E-01 1.6647E-01 4.3808E-02 3.2856E-02 1.7523E-02 1.7523E-02 1.7523E-02 0.0000E+00 0.0000E+00 0.0000E+00 -1.0000E+31 30 19 4 3 2 2 4 0 0 0 -2147483647 2015 309.975972 23 25 24 0 57.1350 2.8025E-01 1.1385E-01 1.2042E-01 7.6631E-02 1.7516E-02 2.6273E-02 8.7578E-03 4.3789E-03 0.0000E+00 0.0000E+00 -1.0000E+31 32 13 11 7 2 3 2 2 0 0 -2147483647 2015 309.978056 23 28 24 0 57.1143 3.0663E-01 1.3141E-01 9.8561E-02 4.3805E-02 1.7522E-02 2.6283E-02 1.3141E-02 2.1902E-03 2.1902E-03 0.0000E+00 -1.0000E+31 35 15 9 4 2 3 3 1 1 0 -2147483647 2015 309.978750 23 29 24 0 57.1040 2.5411E-01 9.6388E-02 1.2048E-01 4.3813E-02 5.2575E-02 1.7525E-02 8.7625E-03 6.5719E-03 0.0000E+00 0.0000E+00 -1.0000E+31 29 11 11 4 6 2 2 3 0 0 -2147483647 2015 309.979444 23 30 24 0 57.0697 2.1043E-01 1.4028E-01 1.0960E-01 2.1919E-02 7.0142E-02 1.7536E-02 4.3839E-03 2.1919E-03 0.0000E+00 0.0000E+00 -1.0000E+31 24 16 10 2 8 2 1 1 0 0 -2147483647 2015 309.980139 23 31 24 0 57.0366 2.7196E-01 1.2282E-01 7.6763E-02 4.3864E-02 2.6319E-02 1.7546E-02 4.3864E-03 0.0000E+00 0.0000E+00 0.0000E+00 -1.0000E+31 31 14 7 4 3 2 1 0 0 0 -2147483647 2015 309.980833 23 32 24 0 56.9989 2.8970E-01 2.1069E-01 1.3168E-01 5.4867E-02 1.7557E-02 5.2672E-02 4.3893E-03 0.0000E+00 0.0000E+00 0.0000E+00 -1.0000E+31 33 24 12 5 2 6 1 0 0 0 -2147483647 2015 309.981528 23 33 24 0 57.0274 3.1587E-01 1.4039E-01 8.7743E-02 4.3871E-02 4.3871E-02 1.7549E-02 0.0000E+00 2.1936E-03 0.0000E+00 0.0000E+00 -1.0000E+31 36 16 8 4 5 2 0 1 0 0 -2147483647 2015 309.982222 23 34 24 0 57.1099 2.7161E-01 1.4019E-01 7.6664E-02 8.7616E-02 4.3808E-02 2.6285E-02 4.3808E-03 2.1904E-03 0.0000E+00 0.0000E+00 -1.0000E+31 31 16 7 8 5 3 1 1 0 0 -2147483647 2015 309.982917 23 35 24 0 57.0086 2.6332E-01 7.8995E-02 9.8743E-02 4.3886E-02 2.6332E-02 3.5109E-02 8.7772E-03 2.1943E-03 0.0000E+00 0.0000E+00 -1.0000E+31 30 9 9 4 3 4 2 1 0 0 -2147483647 2015 309.983611 23 36 24 0 56.9710 3.2497E-01 1.6688E-01 6.5872E-02 4.3915E-02 2.6349E-02 3.5132E-02 1.7566E-02 6.5872E-03 4.3915E-03 0.0000E+00 -1.0000E+31 37 19 6 4 3 4 4 3 2 0 -2147483647 2015 309.984306 23 37 24 0 56.9558 3.3384E-01 1.0542E-01 3.2945E-02 2.1963E-02 1.7571E-02 8.7853E-03 1.7571E-02 0.0000E+00 0.0000E+00 0.0000E+00 -1.0000E+31 38 12 3 2 2 1 4 0 0 0 -2147483647 2015 309.985000 23 38 24 0 56.9619 2.7232E-01 1.6690E-01 6.5883E-02 5.4902E-02 1.7569E-02 3.5138E-02 2.1961E-02 2.1961E-03 0.0000E+00 0.0000E+00 -1.0000E+31 31 19 6 5 2 4 5 1 0 0 -2147483647 2015 309.985694 23 39 24 0 57.0340 3.5970E-01 1.1405E-01 9.8699E-02 6.5800E-02 2.6320E-02 3.5093E-02 4.3866E-03 2.1933E-03 0.0000E+00 0.0000E+00 -1.0000E+31 41 13 9 6 3 4 1 1 0 0 -2147483647 2015 309.986389 23 40 24 0 57.0112 2.2820E-01 9.6545E-02 9.8739E-02 7.6797E-02 3.5107E-02 1.7554E-02 8.7768E-03 0.0000E+00 2.1942E-03 0.0000E+00 -1.0000E+31 26 11 9 7 4 2 2 0 1 0 -2147483647 2015 309.987083 23 41 24 0 57.0052 1.8433E-01 1.3167E-01 4.3889E-02 2.1944E-02 5.2666E-02 2.6333E-02 1.7555E-02 6.5833E-03 0.0000E+00 2.1944E-03 -1.0000E+31 21 15 4 2 6 3 4 3 0 1 -2147483647 2015 309.987778 23 42 24 0 57.0298 3.5973E-01 1.0529E-01 7.6772E-02 4.3870E-02 5.2644E-02 3.5096E-02 4.3870E-03 2.1935E-03 0.0000E+00 0.0000E+00 -1.0000E+31 41 12 7 4 6 4 1 1 0 0 -2147483647 2015 309.988472 23 43 24 0 57.0377 2.3686E-01 1.6668E-01 7.6761E-02 3.2898E-02 3.5091E-02 0.0000E+00 8.7727E-03 2.1932E-03 0.0000E+00 0.0000E+00 -1.0000E+31 27 19 7 3 4 0 2 1 0 0 -2147483647 2015 309.989167 23 44 24 0 57.0153 2.6328E-01 1.3164E-01 5.4851E-02 5.4851E-02 3.5105E-02 1.7552E-02 1.3164E-02 4.3881E-03 2.1940E-03 0.0000E+00 -1.0000E+31 30 15 5 5 4 2 3 2 1 0 -2147483647 2015 309.989861 23 45 24 0 57.0446 2.8069E-01 1.6666E-01 8.7716E-02 3.2894E-02 7.0173E-02 1.7543E-02 4.3858E-03 2.1929E-03 0.0000E+00 0.0000E+00 -1.0000E+31 32 19 8 3 8 2 1 1 0 0 -2147483647 2015 309.990556 23 46 24 0 57.0786 3.4189E-01 1.5780E-01 1.2054E-01 6.5748E-02 1.7533E-02 8.7664E-03 1.3150E-02 2.1916E-03 0.0000E+00 0.0000E+00 -1.0000E+31 39 18 11 6 2 1 3 1 0 0 -2147483647 2015 309.991250 23 47 24 0 57.0360 2.8073E-01 1.3159E-01 6.5797E-02 5.4831E-02 0.0000E+00 2.6319E-02 1.3159E-02 0.0000E+00 0.0000E+00 0.0000E+00 -1.0000E+31 32 15 6 5 0 3 3 0 0 0 -2147483647 2015 309.991944 23 48 24 0 57.0131 2.4574E-01 1.8431E-01 1.0971E-01 0.0000E+00 2.6329E-02 2.6329E-02 8.7765E-03 4.3882E-03 0.0000E+00 0.0000E+00 -1.0000E+31 28 21 10 0 3 3 2 2 0 0 -2147483647 2015 309.992639 23 49 24 0 57.0998 3.4176E-01 1.5774E-01 6.5724E-02 4.3816E-02 5.2579E-02 4.3816E-02 8.7632E-03 2.1908E-03 2.1908E-03 2.1908E-03 -1.0000E+31 39 18 6 4 6 5 2 1 1 1 -2147483647 2015 309.993333 23 50 24 0 57.1032 2.3659E-01 7.0101E-02 7.6673E-02 0.0000E+00 1.7525E-02 8.7626E-03 1.3144E-02 4.3813E-03 0.0000E+00 0.0000E+00 -1.0000E+31 27 8 7 0 2 1 3 2 0 0 -2147483647 2015 309.994028 23 51 24 0 57.1120 2.3656E-01 1.4018E-01 1.2047E-01 3.2855E-02 1.7523E-02 1.7523E-02 8.7613E-03 4.3807E-03 0.0000E+00 0.0000E+00 -1.0000E+31 27 16 11 3 2 2 2 2 0 0 -2147483647 2015 309.994722 23 52 24 0 56.9978 2.6337E-01 1.1413E-01 5.4868E-02 5.4868E-02 2.6337E-02 0.0000E+00 8.7789E-03 6.5841E-03 0.0000E+00 0.0000E+00 -1.0000E+31 30 13 5 5 3 0 2 3 0 0 -2147483647 2015 309.995417 23 53 24 0 57.0210 3.6856E-01 1.3163E-01 9.8722E-02 3.2907E-02 2.6326E-02 8.7753E-03 8.7753E-03 0.0000E+00 2.1938E-03 0.0000E+00 -1.0000E+31 42 15 9 3 3 1 2 0 1 0 -2147483647 2015 309.996111 23 54 24 0 57.0521 2.8943E-01 1.4033E-01 8.7705E-02 2.1926E-02 1.7541E-02 5.2623E-02 1.3156E-02 2.1926E-03 2.1926E-03 0.0000E+00 -1.0000E+31 33 16 8 2 2 6 3 1 1 0 -2147483647 2015 309.996806 23 55 24 0 57.0392 3.1581E-01 1.6668E-01 8.7725E-02 2.1931E-02 2.6317E-02 8.7725E-03 8.7725E-03 4.3862E-03 4.3862E-03 0.0000E+00 -1.0000E+31 36 19 8 2 3 1 2 2 2 0 -2147483647 2015 309.997500 23 56 24 0 57.0037 2.2823E-01 1.4045E-01 9.8752E-02 5.4862E-02 2.6334E-02 1.7556E-02 3.0723E-02 6.5835E-03 0.0000E+00 0.0000E+00 -1.0000E+31 26 16 9 5 3 2 7 3 0 0 -2147483647 2015 309.998194 23 57 24 0 57.0151 2.2818E-01 1.1409E-01 1.3164E-01 3.2911E-02 3.5105E-02 2.6329E-02 4.3881E-03 2.1940E-03 0.0000E+00 0.0000E+00 -1.0000E+31 26 13 12 3 4 3 1 1 0 0 -2147483647 2015 309.998889 23 58 24 0 57.0208 2.1061E-01 1.3163E-01 6.5815E-02 5.4846E-02 1.7551E-02 3.5101E-02 8.7753E-03 2.1938E-03 2.1938E-03 2.1938E-03 -1.0000E+31 24 15 6 5 2 4 2 1 1 1 -2147483647