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Research Article

Table 3.

Comparison between ICME arrival times measured at Wind spacecraft and predicted based on 9 GHz fluence: event number (col. 1), shock arrival (col. 2), ICME arrival (col. 3), CME onset (col. 4), flare longitude location (col. 5), microwave observations (cols. 6–8) and predictions based on the 9 GHz fluence (cols. 9–12).

No Shock onset wind ICME onset Wind CME onset LASCO Flare longitude Microwave burst observations
9 GHz Predictions
Start End ϕ9 GHz [sfu · s] VCME [km s−1] Arrival ΔTICME [h] ΔTSheath [h]
(1) (2) (3) (4) (5) (6) (7) (8) (9) (10) (11) (12)
1997
1 11 Apr 05:00 11 Apr 09:07 07 Apr 14:27 E11° 13:54 14:20 6.4 × 104 824 10 Apr 18:05 −15 −11
2000
2* 08 Jun 09:12 08 Jun 13:07 06 Jun 15:54 E10° 15:05 16:00 2.0 × 106 1481 08 Jun 04:05 −9 −5
3 28 Jul 06:00 28 Jul 13:04 25 Jul 03:30 W08° 02:46 02:51 1.5 × 105 950 27 Jul 19:40 −17 −10
2003
4 28 Oct 02:06 28 Oct 03:20 26 Oct 17:54 W38° 17:20 18:14 2.6  × 106 1554 28 Oct 04:10 1 2
2005
5 15 May 02:38 15 May 09:15 13 May 17:12 E11° 16:32 17:18 5.5  × 105 1190 15 May 17:25 9 16
2006
6 14 Dec 14:14 14 Dec 20:25 13 Dec 02:54 W23° 02:18 02:41 3.2 × 106 1607 14 Dec 11:30 −9 −3
2010
7 15 Feb 17:28 16 Feb 04:53 12 Feb 13:42 E11° 11:22 11:38 3.24 × 104 737 15 Feb 20:58 −8 3
2011
8 18 Feb 01:30 18 Feb 04:55 15 Feb 02:24 W10° 01:48 02:14 4.4 × 105 1148 17 Feb 05:00 −24 −20
9 04 Aug 22:00 05 Aug 03:20 02 Aug 06:39 W10° 05:48 06:23 4.4 × 104 774 5 Aug 13:05 10 15
2012
10 08 Mar 11:00 09 Mar 02:40 07 Mar 00:24 E26° 00:10 00:20 2.7 × 106 1562 08 Mar 10:45 −16 0
11 12 Mar 08:30 12 Mar 21:44 10 Mar 18:00 W26° 17:10 18:27 5.2 × 105 1180 12 Mar 18:30 −3 10
*

The ICME arrival of event 2 was measured by ACE because no wind data were available.

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