Table 1.
Shock parameters (Trotta et al. 2024a) with and without electron and proton response.
| Parameter | For.IP sh. | For. IP sh. | Forward IP sh with | For. IP sh. with |
|---|---|---|---|---|
| for sampling e (51 sh.) | p (48 shocks) a | resp. in e (4 shocks) | resp. in p (40 sh.) | |
| (1) | (2) | (3) | (4) | (5) |
| Rad. dist.to the Sun of s/c (R, au) | 0.79 / 0.65 / 0.03 / 51 | 0.79 / 0.65 / 0.03 / 48 | 0.83 / 0.81 / 0.06 / 4 | 0.77 / 0.65 / 0.03 / 40 |
| IP sh. normal ang. (ΘBn, deg) | 54 / 47 / 3 / 50 | 56 / 53 / 3 / 48 | 68 / 65 / 9 / 4 | 57 / 53 / 3 / 40 |
| IP sh. speed in the s/c frame (Vsh, km s−1) | 512 / 683 / 24/ 44 | 526 / 933 / 32 / 48 | 545 / 620 / 81 / 4 | 547 / 952 / 37 / 40 |
| Alfv. Mach number (MA) | 3.3 / 5.5 / 0.3 / 51 | 3.5 / 5.5 / 0.3 / 48 | 6.1 / 5.8 / 1.0 / 4 | 3.8 / 5.5 / 0.35 / 40 |
| Fast magnetos. Mach number (Mfast) | 2.8 / 3.8 / 0.3 / 44 | 2.8 / 3.8 / 0.2 / 48 | 4.6 / 5.0 / 0.7 / 4 | 3.1 / 3.8 / 0.25 / 40 |
| Mag. compr. ratio (Rmag) | 1.9/ 2.8 / 0.1 / 49 | 1.8 / 2.8 / 0.1 / 47 | 2.1 / 2.2 / 0.3 / 4 | 1.9 / 2.8 / 0.1 / 39 |
| Gas compr. ratio (Rgas) | 2.0 / 2.3 / 0.1 / 43 | 2.0 / 2.3 / 0.1 / 47 | 1.9 / 1.8 / 0.3 / 4 | 2.0 / 2.3 / 0.1 / 39 |
| Level of up. mag. field fluct.(flup) | 0.25 / 0.45 / 0.02 / 51 | 0.26 / 0.48 / 0.02 / 48 | 0.17 / 0.18 / 0.04 / 4 | 0.28 / 0.48 / 0.03 / 40 |
| Rat. of down. to up. fluct. (fld/flu) | 1.35/ 1.68/ 0.07/ 48 | 1.36 / 1.78 / 0.08 / 44 | 1.35 / 1.41 / 0.19 / 3 | 1.33 / 1.60 / 0.08 / 36 |
| Up. solar wind density (nup, cm −3) | 19.6 / 58.3 / 3.4 / 44 | 19.4 / 58.3 / 3.1 / 48 | 23.9 / 23.8 / 5.1 / 4 | 20.4 / 58.3 / 3.61 / 40 |
| Upstream plasma beta (βup) | 0.84 / 2.09 / 0.12 / 44 | 0.82 / 2.09 / 0.11 / 48 | 1.05 / 1.35 / 0.34 / 4 | 0.85 / 2.09 / 0.13 / 40 |
Notes. Column 1 provides the names of the parameters; Col. 2 provides the average values for shocks used for comparison with the ones presenting a response in electrons; Col. 3 provides the average values for shocks used for comparison with the shocks showing a response in protons; Col. 4 provides the average values for shocks with a response in electrons; and Col. 5 provides the average values with a response in protons. Average, median, and standard error values, and number of shocks used for averaging are listed through the slashes. Not all parameters were available for all IP shocks.
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