Note on tracking Sun-Earth connection event

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ICME

1.1.Catalog
# Identified in ICME catalogs: Richardson & Cane List
RC Catalog
Disturbance start time: 2011/06/04 20:45 UT
Ejecta start time: 2011/06/05 02:00 UT
Ejecta end time: 2011/06/05 19:00 UT
dv= 120 km/s, v = 510 km/s, vmax = 560 km/s
Bmax (nT): 12
Dst: -45
Suggested source CME: 2011/06/02 07:45
V_transit: 680 km/s

1.2.Comments
Overall ICME quality index: 2
ICME type: SH+EJ
ICME signatures: smoothly decreasing sw velocity
high charge state
low plasma beta


Based on 560 km/s -> search window 74.2064 hrs or 3.09193 days -> 2011/06/01 18:32:37.125

2. CME
2.1. A. Candidate A
A.1. LASCO:
#CME 2011/06/02 08:12 UT, Halo CME (from CDAW)
angle: 360, velocity: 976 km/s


A.2. STEREO:
Major CME in both COR2-A and COR2-B FOV, frontside moving CME


A.3. AIA & GOES
Eruption from AR 11227 (S19E25), associated with C3.7 flare (onset 07:22)

A.4. Comment:
Likely the source of disturbance


2.1. B. Candidate B
B.1. LASCO:
#CME 2011/06/01 18:36 UT, Partial Halo CME (from CDAW)
angle: 189, velocity: 361 km/s


B.2. STEREO:
Major CME in both COR2-A and COR2-B FOV, frontside moving CME


B.3. AIA & GOES
Eruption from AR 11226 (S18E16), associated with C4.1 flare (onset 16:51)

B.4. Comment:
could be the source of disturbance


3. Other Comments

4. Summary
SW index : 2
Source index: 1
Overall index: 2
Filament: N/A
WDA: Yes

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Curators: Jie Zhang (jzhang7 AT gmu.edu); Suman Dhakal (sdhakal2 AT masonlive.gmu.edu);
Last updated: 2022/01