Table 2
Expected TOF values in nanoseconds from simulations (Sim) of the IBEX-Lo time of flight unit, which are validated by pre-launch calibrations with neutral beams of H, He, C, and O.
| Sim | ToF | EMG | MEQ | ||
| H | |||||
|
|
|||||
| TOF0 | 29.474 | 30.043 | 29.525 | 29.331 | |
| TOF1 | 14.898 | ~15.34 | 13.935 | 14.108 | |
| TOF2 | 14.576 | 15.337 | 14.467 | 14.339 | |
| mass = 2 | |||||
|
|
|||||
| TOF0 | 42.267 | 42.948 | (...) | 42.416 | |
| TOF1 | 21.473 | ~22.20 | (...) | 21.656 | |
| TOF2 | 20.795 | 22.195 | (...) | 22.228 | |
| C | |||||
|
|
|||||
| TOF0 | 112.015 | (...) | 119.196 | 119.145 | |
| TOF1 | 58.693 | (...) | 59.721 | 59.698 | |
| TOF2 | 53.322 | (...) | 60.298 | 60.276 | |
| O | |||||
|
|
|||||
| TOF0 | 132.492 | (...) | 135.945 | 136.074 | |
| TOF1 | 70.135 | (...) | 67.513 | 67.574 | |
| TOF2 | 62.357 | (...) | 67.960 | 68.020 | |
Notes. ToF are the expected TOF values from the analytical approach (TOF1 values are interpolated values from TOF2). EMG are the averages of the TOFs obtained from EMG peak fitting of data taken for different groupings of orbits (time intervals 1–5), energy bins (1, 2, and 3), and TOFs during the spring passage. MEQ are values found from the species peaks using the mass equations.
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