Table 1
List of 30 analyzed magnetic clouds.
| Code | Date | ΔT | V a | ΔV |
|
ϑ c | φ c | p | a/b | q | Result for Vr comparison |
| [h] | [km s-1] | [km s-1] | [km s-1/d] | [deg] | [deg] | ||||||
|
|
|||||||||||
| 1.0 | 95/02/08 | 19.0 | 407 | 53 | 62 | −14 | 124 | 0.57 | – | 2 | reasonable fit |
| −14 | 85 | 0.16 | 2.0 | elliptic shape reasonably improves the fit | |||||||
| (18) | (100) | (0.49) | |||||||||
| 2.2 | 95/04/03 | 27.0 | 305 | 84 | 70 | 0 | 108 | 0.46 | – | 2 | “U” shape expressed, fit only qualitative |
| (−22) | (96) | (0.71) | |||||||||
| 11.0 | 96/12/24 | 32.5 | 349 | 90 | 57 | 35 | 109 | 0.21 | – | 1 | Vr< 0 |
| 30 | 126 | −0.06 | 1.8 | negative Vr fixed by an elliptic shape | |||||||
| (26) | (82) | (0.47) | |||||||||
| 12.0 | 97/01/10 | 21.0 | 436 | 54 | 64 | −16 | 232 | −0.06 | – | 1 | reasonable fit |
| −15 | 227 | −0.58 | 5.0 | reasonable fit | |||||||
| (1) | (247) | (0.11) | |||||||||
| 22.0 | 97/09/22 | 16.5 | 419 | 107 | 155 | 49 | 38 | −0.77 | – | 2 | Vr< 0 |
| 56 | 143 | 0.01 | 2.0 | negative Vr fixed by an elliptic shape | |||||||
| (60) | (151) | (−0.03) | |||||||||
| 28.0 | 98/01/07 | 29.0 | 383 | 63 | 51 | 49 | 35 | −0.02 | – | 1 | reasonable fit |
| (55) | (26) | (0.02) | |||||||||
| 34.0 | 98/06/24 | 29.0 | 457 | 123 | 72 | 25 | 167 | 0.33 | – | 2 | “U” shape expressed, fit only qualitative |
| (21) | (151) | (0.23) | |||||||||
| 36.0 | 98/09/25 | 27.0 | 643 | 157 | 134 | 37 | 179 | −0.19 | – | 2 | Vr< 0 |
| 23 | 176 | 0.16 | 2.0 | negative Vr fixed by an elliptic shape | |||||||
| (46) | (212) | (−0.57) | |||||||||
| 46.0 | 00/07/15 | 12.8 | 933 | 285 | 688 | 4 | 42 | −0.29 | – | 2 | “U” shape expressed, fit only qualitative |
| (45) | (44) | (0.17) | |||||||||
| 49.0 | 00/08/12 | 23.0 | 576 | 83 | 61 | 15 | 103 | 0.03 | – | 2 | reasonable fit |
| (3) | (95) | (0.01) | |||||||||
| 54.0 | 00/11/06 | 19.0 | 527 | 140 | 161 | 0 | 146 | 0.61 | – | 2 | “U” shape not expressed, unusual B |
| (−9) | (114) | (0.19) | |||||||||
| 55.1 | 01/03/19 | 19.0 | 407 | 64 | 85 | −16 | 193 | 0.60 | – | 1 | reasonable fit |
| (−34) | (213) | (0.19) | |||||||||
| 56.0 | 01/04/04 | 11.5 | 680 | 80 | 120 | 0 | 279 | 0.88 | – | 1 | reasonable fit |
| (8) | (281) | (0.86) | |||||||||
| 57.0 | 01/04/12 | 10.0 | 632 | 73 | 81 | 2 | cannot evaluate, non-monotonous V | ||||
| 58.0 | 01/04/22 | 24.5 | 357 | 54 | 55 | −56 | 270 | −0.10 | – | 2 | reasonable fit |
| (−78) | (293) | (−0.05) | |||||||||
| 59.0 | 01/04/29 | 11.0 | 628 | 79 | 203 | 4 | 111 | −0.43 | – | 2 | Vr< 0, not fixed by an elliptic shape |
| (31) | (119) | (−0.39) | |||||||||
| 60.0 | 01/05/28 | 22.5 | 452 | 84 | 91 | 0 | 72 | −0.17 | – | 1 | reasonable fit |
| (−12) | (49) | (−0.37) | |||||||||
| 66.0 | 02/04/18 | 22.0 | 472 | 69 | 83 | −5 | 348 | 0.80 | – | 1 | “U” shape expressed, fit only qualitative |
| (−27) | (318) | (0.53) | |||||||||
| 68.0 | 02/05/19 | 19.5 | 432 | 83 | 77 | −1 | 230 | 0.85 | – | 1 | Vr< 0, not fixed by an elliptic shape |
| (2) | (256) | (0.95) | |||||||||
| 73.0 | 03/03/20 | 10.5 | 659 | 110 | 101 | 1 | cannot evaluate, non-monotonous V | ||||
| 76.0 | 03/08/18 | 16.8 | 438 | 54 | 64 | 2 | cannot evaluate, non-monotonous V | ||||
| 77.0 | 03/11/20 | 15.5 | 582 | 177 | 240 | −76 | 140 | −0.06 | – | 2 | reasonable fit |
| (−76) | (217) | (−0.03) | |||||||||
| 78.0 | 04/04/04 | 36.0 | 425 | 138 | 82 | 58 | 8 | 0.12 | – | 2 | reasonable fit |
| (69) | (76) | (0.48) | |||||||||
| 82.0 | 04/11/08 | 13.3 | 678 | 99 | 138 | 0 | 34 | −0.41 | – | 2 | “U” shape expressed, fit only qualitative |
| (−5) | (47) | (−0.27) | |||||||||
| 84.0 | 04/11/10 | 7.5 | 717 | 81 | 253 | −45 | 9 | −0.66 | – | 2 | “U” shape expressed, fit only qualitative |
| (−59) | (37) | (−0.41) | |||||||||
| 85.0 | 05/05/15 | 16.5 | 860 | 216 | 220 | 49 | 132 | −0.48 | – | 2 | Vr< 0, not fixed by an elliptic shape |
| (67) | (94) | (−0.75) | |||||||||
| 86.0 | 05/05/20 | 22.0 | 452 | 60 | 70 | 68 | 305 | 0.01 | – | 2 | reasonable fit |
| (59) | (221) | (0.34) | |||||||||
| 87.0 | 05/06/12 | 15.5 | 475 | 54 | 78 | 2 | cannot evaluate, non-monotonous V | ||||
| 89.0 | 05/07/17 | 12.5 | 424 | 57 | 109 | −14 | 79 | −0.24 | – | 2 | reasonable fit |
| (−41) | (79) | (−0.44) | |||||||||
| 95.0 | 06/08/30 | 17.8 | 410 | 65 | 98 | 5 | 208 | 0.70 | – | 2 | “U” shape not expressed, unusual B |
| (−8) | (223) | (0.51) | |||||||||
Notes. Code (number) identifies the event in the www magnetic cloud table from which the quality flag q, the duration ΔT of the event in hours, and values in parentheses were taken. Va is the averaged solar wind velocity, ΔV and are defined in Sect. 3, d is day (time unit), ϑc and φc are the inclination and azimuthal angle of the cloud axis in the GSE coordinates, respectively, p is the impact parameter (ratio of the closest spacecraft approach to the cloud axis and the cloud radius or semi-minor axis; the approach can be from two sides, hence p has a sign; more on p and its sign is in Appendix A), a/b is the oblateness (the symbol “–” means that the model with the circular cross section was used).
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