Topical Issue - Space Weather Instrumentation
Open Access
Technical Article

Table 2

List of the CACTus results for the CME simulations. The columns give: simulation number, the SNR value at the brightest point of the GCS CME, the longitude of the CME relative to the observer (with 0 being a halo CME), an indication if the detection was successful and contained further detections, the median velocity including variation reported by CACTus for the main CME where detected, and the corresponding maximum velocity reported by CACTus. Where event detections are marked “As flow”, CACTus made a correct detection but reported it as a flow due to uncertainties. The velocity v simu of the batches is the 3D-apex-velocity, and the POS-velocity reported by CACTus differs different depending on the relative longitude.

Simu. # SNR Stonyhurst longitude (degrees) Detection v median (km s−1) v max (km s−1)
v simu. = 700 km s−1; 1% relative brightness
1 10 0 Success 290 ± 51 381
+5 CMEs
2 4 0 Success 285 ± 51 381
+3 CMEs
+2 flows
3 2 0 Success 284 ± 51 381
+3 CMEs
+3 flows
4 1 0 Success 292 ± 49 381
+1 flow
5 10 60 Success 574 ± 135 664
6 4 60 Success 574 ± 138 664
7 2 60 Success 553 ± 144 664
8 1 60 Success 574 ± 136 664
9 10 90 Success 628 ± 104 694
10 4 90 Success 625 ± 115 694
11 2 90 Success 631 ± 95 694
12 1 90 Success 625 ± 118 694
v simu. = 700 km s−1; 2% relative brightness
13 4 0 Success 290 ± 49 383
+4 CMEs
+4 flows
14 2 0 Success 284 ± 50 383
+9 flows
15 1 0 Success 289 ± 47 383
+4 flows
16 0.5 0 As flow 297 ± 48 434
17 4 60 Success 553 ± 150 664
18 2 60 Success 553 ± 146 664
19 1 60 Success 558 ± 136 664
20 0.5 60 As flow 615 ± 68 679
+1 CME
21 4 90 Success 625 ± 113 686
22 2 90 Success 625 ± 125 686
23 1 90 Success 631 ± 95 694
24 0.5 90 As flow 631 ± 92 694
v simu. = 1400 km s−1; 1% relative brightness
25 4 0 Success 606 ± 90 743
+1 CME
+1 flow
26 2 0 Success 606 ± 92 743
+3 flows
27 1 0 Success 606 ± 92 743
+1 flow
28 0.5 0 As flow 606 ± 94 743
+1 flow
29 4 60 Success 1077 ± 309 1358
30 2 60 Success 1077 ± 318 1358
+1 flow
31 1 60 Success 1077 ± 307 1358
32 0.5 60 Success 1157 ± 206 1329
+1 flow
33 4 90 Success 1250 ± 236 1388
34 2 90 Success 1250 ± 267 1388
35 1 90 Success 1263 ± 217 1388
36 0.5 90 Success 1263 ± 225 1488
v simu. = 2100 km s−1; 1% relative brightness
37 4 0 Success 946 ± 155 1179
38 2 0 Success 932 ± 159 1329
39 1 0 As flow 932 ± 154 1179
+1 CME
40 0.5 0 As flow 932 ± 156 1179
41 4 60 Legs only (1050 ± 370) 1689
42 2 60 Legs only (1000 ± 400) 1689
43 1 60 Legs only (1000 ± 375) 1689
44 0.5 60 Legs as flows (1400 ± 250) 1689
45 4 90 Legs only (1200 ± 300) 1689
46 2 90 Legs only (1000 ± 340) 1689
47 1 90 Legs only (1000 ± 340) 1689
48 0.5 90 Legs only (1450 ± 250) 1689
v simu. = 700 km s−1; 10% relative brightness
49 4 0 Success 290 ± 52 383
+5 CMEs
+12 flows
50 2 0 As flow 293 ± 51 416
+1 flow
51 4 60 Success 558 ± 159 664
+3 CMEs
+9 flows
52 2 60 Success 568 ± 141 664
53 4 90 Success 600 ± 126 694
+5 CMEs
+6 flows
54 2 90 Success 625 ± 112 694

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