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Table 1.
Parameters extracted from our measurements at ∼11 ns, i.e., right before the interpenetration of the two shock structures.
| Characterized ambient plasma conditions | |
|---|---|
| Upstream elec. number density ne [cm−3] | 1.0 × 1018 |
| Upstream elec. temperature Te [eV] | 80 |
| Upstream ion temperature Ti [eV] | 20 |
| Downstream elec. temperature Te [eV] | 130 |
| Downstream ion temperature Ti [eV] | 200 |
| Shock velocity at meeting point vs [km s−1] | ∼500 |
| Upstream magnetic field strength Bz [T] | 20 |
| Calculated parameters | |
Ion collisional mean-free-path  [mm] |
33 |
| Flow ion Larmor radius rL, i, fl [mm] | 0.26 |
| Upstream plasma thermal beta βther | 0.10 |
| Mach Number M | 4.42 |
| Alfvénic mach number MA | 1.15 |
| Magnetosonic mach number Mms | 1.12 |
Notes. 
is the collisional mean free path between drifting and ambient ions.
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