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. Author manuscript; available in PMC: 2020 Jul 24.
Published in final edited form as: Astrophys J. 2016 May 5;822(2):65. doi: 10.3847/0004-637x/822/2/65

Table 3:

Proton/Helium ratio at the top of atmosphere

BESS-Polar I BESS-Polar II
Rigidity Range (GV) R (GV) Ratio ± ΔROsta ± ΔROsys (one) Ratio ± ΔROsta ± ΔROsys (one)
1.098–1.132 1.115 1.638 ± 0.022 ± 0.056 × 101 1.452 ± 0.004 ± 0.051 × 101
1.132–1.168 1.150 1.551 ± 0.020 ± 0.051 × 101 1.375 ± 0.004 ± 0.048 × 101
1.168–1.205 1.187 1.461 ± 0.018 ± 0.048 × 101 1.306 ± 0.003 ± 0.046 × 101
1.205–1.244 1.224 1.374 ± 0.015 ± 0.044 × 101 1.237 ± 0.003 ± 0.042 × 101
1.244–1.283 1.263 1.294 ± 0.014 ± 0.040 × 101 1.189 ± 0.003 ± 0.041 × 101
1.283–1.325 1.304 1.281 ± 0.013 ± 0.039 × 101 1.145 ± 0.003 ± 0.039 × 101
1.325–1.367 1.346 1.191 ± 0.012 ± 0.036 × 101 1.107 ± 0.003 ± 0.037 × 101
1.367–1.412 1.389 1.168 ± 0.011 ± 0.034 × 101 1.068 ± 0.002 ± 0.036 × 101
1.412–1.458 1.435 1.123 ± 0.010 ± 0.033 × 101 1.039 ± 0.002 ± 0.035 × 101
1.458–1.506 1.482 1.075 ± 0.009 ± 0.031 × 101 1.012 ± 0.002 ± 0.033 × 101
1.506–1.555 1.530 1.060 ± 0.009 ± 0.030 × 101 9.805 ± 0.021 ± 0.322
1.555–1.607 1.581 1.024 ± 0.008 ± 0.029 × 101 9.634 ± 0.020 ± 0.312
1.607–1.661 1.634 1.008 ± 0.008 ± 0.028 × 101 9.326 ± 0.019 ± 0.298
1.661–1.717 1.688 9.780 ± 0.075 ± 0.269 9.133 ± 0.019 ± 0.292
1.717–1.774 1.745 9.557 ± 0.072 ± 0.259 8.915 ± 0.018 ± 0.282
1.774–1.835 1.805 9.150 ± 0.066 ± 0.246 8.670 ± 0.017 ± 0.272
1.835–1.898 1.866 8.907 ± 0.063 ± 0.240 8.510 ± 0.017 ± 0.267
1.898–1.964 1.930 8.797 ± 0.061 ± 0.237 8.295 ± 0.016 ± 0.260
1.964–2.032 1.997 8.544 ± 0.058 ± 0.230 8.147 ± 0.016 ± 0.256
2.032–2.103 2.067 8.319 ± 0.056 ± 0.225 7.961 ± 0.015 ± 0.250
2.103–2.178 2.140 8.167 ± 0.053 ± 0.222 7.793 ± 0.015 ± 0.247
2.178–2.255 2.216 7.945 ± 0.051 ± 0.217 7.657 ± 0.014 ± 0.245
2.255–2.336 2.295 7.795 ± 0.049 ± 0.217 7.505 ± 0.014 ± 0.244
2.336–2.421 2.378 7.760 ± 0.049 ± 0.215 7.376 ± 0.014 ± 0.238
2.421–2.510 2.465 7.580 ± 0.047 ± 0.213 7.267 ± 0.013 ± 0.239
2.510–2.601 2.555 7.338 ± 0.045 ± 0.209 7.171 ± 0.013 ± 0.239
2.601–2.699 2.650 7.277 ± 0.044 ± 0.210 7.050 ± 0.013 ± 0.238
2.699–2.800 2.749 7.190 ± 0.043 ± 0.207 6.933 ± 0.013 ± 0.234
2.800–2.907 2.853 7.059 ± 0.043 ± 0.206 6.836 ± 0.013 ± 0.233
2.907–3.018 2.961 6.882 ± 0.041 ± 0.202 6.751 ± 0.013 ± 0.232
3.018–3.134 3.075 6.854 ± 0.041 ± 0.202 6.664 ± 0.013 ± 0.230
3.134–3.256 3.194 6.692 ± 0.040 ± 0.197 6.602 ± 0.013 ± 0.228
3.256–3.385 3.319 6.788 ± 0.041 ± 0.201 6.547 ± 0.013 ± 0.226
3.385–3.566 3.474 6.668 ± 0.035 ± 0.196 6.473 ± 0.011 ± 0.223
3.566–3.759 3.661 6.612 ± 0.035 + 0.194 6.426 ± 0.011 + 0.220
6.612 ± 0.035 − 0.195 6.426 ± 0.011 − 0.221
3.759–3.966 3.861 6.499 ± 0.034 + 0.190 6.397 ± 0.011 + 0.219
6.499 ± 0.034 − 0.192 6.397 ± 0.011 − 0.221
3.966–4.186 4.075 6.492 ± 0.035 + 0.189 6.367 ± 0.011 + 0.217
6.492 ± 0.035 − 0.194 6.367 ± 0.011 − 0.224
4.186–4.423 4.303 6.418 ± 0.035 + 0.186 6.308 ± 0.011 + 0.214
6.418 ± 0.035 − 0.200 6.308 ± 0.011 − 0.233
4.423–4.676 4.547 6.316 ± 0.035 + 0.182 6.289 ± 0.012 + 0.212
6.316 ± 0.035 − 0.208 6.289 ± 0.012 − 0.247
4.676–4.947 4.810 6.315 ± 0.035 + 0.181 6.242 ± 0.012 + 0.210
6.315 ± 0.035 − 0.207 6.242 ± 0.012 − 0.244
4.947–5.238 5.090 6.247 ± 0.036 + 0.178 6.242 ± 0.012 + 0.208
6.247 ± 0.036 − 0.207 6.242 ± 0.012 − 0.247
5.238–5.550 5.391 6.173 ± 0.036 + 0.175 6.169 ± 0.013 + 0.205
6.173 ± 0.036 − 0.210 6.169 ± 0.013 − 0.249
5.550–5.885 5.715 6.152 ± 0.037 + 0.173 6.120 ± 0.013 + 0.203
6.152 ± 0.037 − 0.215 6.120 ± 0.013 − 0.254
5.885–6.244 6.061 6.047 ± 0.037 + 0.169 6.065 ± 0.013 + 0.200
6.047 ± 0.037 − 0.220 6.065 ± 0.013 − 0.259
6.244–6.630 6.434 6.060 ± 0.039 + 0.168 6.033 ± 0.013 + 0.198
6.060 ± 0.039 − 0.226 6.033 ± 0.013 − 0.260
6.630–7.046 6.834 5.968 ± 0.039 + 0.165 6.003 ± 0.014 + 0.196
5.968 ± 0.039 − 0.228 6.003 ± 0.014 − 0.262
7.046–7.493 7.265 5.914 ± 0.040 + 0.162 5.943 ± 0.014 + 0.194
5.914 ± 0.040 − 0.226 5.943 ± 0.014 − 0.260
7.493–7.973 7.729 5.866 ± 0.041 + 0.160 5.897 ± 0.015 + 0.191
5.866 ± 0.041 − 0.225 5.897 ± 0.015 − 0.258
7.973–8.626 8.292 5.802 ± 0.038 + 0.157 5.832 ± 0.014 + 0.188
5.802 ± 0.038 − 0.226 5.832 ± 0.014 − 0.256
8.626–9.342 8.975 5.776 ± 0.040 + 0.155 5.778 ± 0.014 + 0.185
5.776 ± 0.040 − 0.226 5.778 ± 0.014 − 0.254
9.342–10.13 9.725 5.663 ± 0.041 + 0.151 5.744 ± 0.015 + 0.183
5.663 ± 0.041 − 0.221 5.744 ± 0.015 − 0.251
10.13–10.99 10.55 5.660 ± 0.043 + 0.150 5.688 ± 0.016 + 0.180
5.660 ± 0.043 − 0.220 5.688 ± 0.016 − 0.248
10.99–11.94 11.45 5.540 ± 0.044 + 0.146 5.584 ± 0.016 + 0.177
5.540 ± 0.044 − 0.215 5.584 ± 0.016 − 0.243
11.94–12.97 12.44 5.454 ± 0.046 + 0.144 5.515 ± 0.017 + 0.174
5.454 ± 0.046 − 0.212 5.515 ± 0.017 − 0.240
12.97–14.12 13.54 5.505 ± 0.050 + 0.146 5.525 ± 0.018 + 0.175
5.505 ± 0.050 − 0.214 5.525 ± 0.018 − 0.241
14.12–15.38 14.73 5.389 ± 0.051 + 0.143 5.441 ± 0.019 + 0.172
5.389 ± 0.051 − 0.210 5.441 ± 0.019 − 0.237
15.38–16.76 16.05 5.342 ± 0.054 + 0.142 5.368 ± 0.020 + 0.170
5.342 ± 0.054 − 0.209 5.368 ± 0.020 − 0.234
16.76–18.27 17.49 5.329 ± 0.058 + 0.143 5.305 ± 0.021 + 0.169
5.329 ± 0.058 − 0.209 5.305 ± 0.021 − 0.232
18.27–19.95 19.09 5.208 ± 0.060 + 0.141 5.225 ± 0.022 + 0.167
5.208 ± 0.060 − 0.205 5.225 ± 0.022 − 0.229
19.95–21.79 20.84 5.336 ± 0.067 + 0.146 5.234 ± 0.024 + 0.168
5.336 ± 0.067 − 0.211 5.234 ± 0.024 − 0.230
21.79–24.23 22.97 5.125 ± 0.063 + 0.143 5.121 ± 0.023 + 0.165
5.125 ± 0.063 − 0.205 5.121 ± 0.023 − 0.226
24.23–26.98 25.56 4.987 ± 0.066 + 0.143 5.122 ± 0.025 + 0.166
4.987 ± 0.066 − 0.201 5.122 ± 0.025 − 0.227
26.98–30.05 28.46 5.094 ± 0.074 + 0.150 5.037 ± 0.027 + 0.165
5.094 ± 0.074 − 0.209 5.037 ± 0.027 − 0.224
30.05–33.51 31.72 4.985 ± 0.079 + 0.152 4.949 ± 0.029 + 0.165
4.985 ± 0.079 − 0.208 4.949 ± 0.029 − 0.222
33.51–37.39 35.38 4.962 ± 0.086 + 0.157 4.909 ± 0.032 + 0.166
4.962 ± 0.086 − 0.212 4.909 ± 0.032 − 0.222
37.39–41.73 39.48 4.802 ± 0.091 + 0.159 4.829 ± 0.034 + 0.166
4.802 ± 0.091 − 0.210 4.829 ± 0.034 − 0.221
41.73–46.60 44.08 5.074 ± 0.108 + 0.177 4.830 ± 0.038 + 0.170
5.074 ± 0.108 − 0.228 4.830 ± 0.038 − 0.224
46.60–52.07 49.24 4.808 ± 0.110 + 0.176 4.721 ± 0.040 + 0.171
4.808 ± 0.110 − 0.223 4.721 ± 0.040 − 0.222
52.07–58.20 55.03 4.721 ± 0.119 + 0.181 4.707 ± 0.044 + 0.174
4.721 ± 0.119 − 0.225 4.707 ± 0.044 − 0.224
58.20–65.08 61.52 4.729 ± 0.133 + 0.193 4.595 ± 0.047 + 0.179
4.729 ± 0.133 − 0.235 4.595 ± 0.047 − 0.226
65.08–78.46 71.37 4.772 ± 0.118 + 0.209 4.680 ± 0.043 + 0.193
4.772 ± 0.118 − 0.249 4.680 ± 0.043 − 0.239
78.46–94.67 86.08 4.713 ± 0.137 + 0.222 4.641 ± 0.049 + 0.206
4.713 ± 0.137 − 0.260 4.641 ± 0.049 − 0.248
94.67–114.3 103.9 4.646 ± 0.157 + 0.245 4.599 ± 0.058 + 0.231
4.646 ± 0.157 − 0.278 4.599 ± 0.058 − 0.269
114.3–138.1 125.5 4.361 ± 0.169 + 0.249 4.369 ± 0.063 + 0.241
4.361 ± 0.169 − 0.278 4.369 ± 0.063 − 0.275
138.1–166.9 151.6 4.376 ± 0.202 + 0.290 4.510 ± 0.078 + 0.296
4.376 ± 0.202 – 0.316 4.510 ± 0.078 − 0.325