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Table 3.
Input parameters for the ForbMod model.
| Parameter | Source | Section | Value |
|---|---|---|---|
| GCR spectrum | Force-field approximation, Gieseler et al. (2017) | 3 | Φ for June 2009 |
| Diffusion coefficient D | Empirical function from Potgieter (2013) with parameters from Potgieter et al. (2014) | 3 | Parameters for 2009 |
| Detector response function | Geant4 simulation results | 2.1, 2.2 | See Fig. 3 |
| Magnetic field Bc | Bmax in Wind data | 4.1 | Bc = 16.2 nT |
| Expansion factors na, nB | Calculation assuming x = const. (Eq. (4))/ best fit | 4.3 | see Table 4 |
| Flux rope parameters R0, a0 | GCS reconstruction | 4.2 | R0 = 9.64 R⊙,a0 = 1.93 R⊙ |
| Diffusion time (≈ transit time) | In situ arrival time, Launch time: time of GCS fit | 4.1, 4.2 | tSolO = 99 h,tEarth = 123 h |
| Velocity profile | Linear fit to in situ measurements at Wind | 4.1 | see Table 1 |
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