Table 3.
Correlation of SRT time differences with heliocentric distance for impulsive events, filtered for different additional parameters.
| Filtering | STIX main HXR peak | RPW type III onset | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| criteria | no. | C | p | no. | C | p | ||||||
| all impulsive | 85 | 0.30 ± 0.09 | 0.008 | 86 | 0.34 ± 0.10 | 0.0023 | ||||||
| single peak/burst | 49 | 0.29 ± 0.13 | 0.065 | 29 | 0.30 ± 0.16 | 0.13 | ||||||
| multiple peaks/bursts | 36 | 0.29 ± 0.15 | 0.092 | 57 | 0.37 ± 0.13 | 0.01 | ||||||
| high anisotropy | 45 | 0.17 ± 0.13 | 0.31 | 44 | 0.44 ± 0.13 | 0.004 | ||||||
| medium anisotropy | 21 | 0.48 ± 0.20 | 0.03 | 22 | 0.41 ± 0.26 | 0.062 | ||||||
| well-connected | 47 | 0.23 ± 0.14 | 0.15 | 42 | 0.19 ± 0.15 | 0.24 | ||||||
| poorly connected | 19 | 0.42 ± 0.16 | 0.088 | 17 | 0.57 ± 0.20 | 0.039 | ||||||
| ambient SW | 42 | 0.52 ± 0.10 | 0.0005 | 44 | 0.46 ± 0.14 | 0.002 | ||||||
| IP structure | 15 | 0.27 ± 0.17 | 0.39 | 13 | 0.46 ± 0.16 | 0.13 | ||||||
Notes. The time differences refer to VDA SRTs with respect to the main STIX HXR peak and the RPW type III onset. Shown are the numbers of events, the Pearson correlation coefficients C, and the p-values p.
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