Note on tracking Sun-Earth connection event

Observer: ...

ICME

1.1.Catalog
# Identified in ICME catalogs: Richardson & Cane List
RC Catalog
Disturbance start time: 2011/02/04 13:00 UT
Ejecta start time: 2011/02/04 13:00 UT
Ejecta end time: 2011/02/04 20:00 UT
dv= 20 km/s, v = 430 km/s, vmax = 470 km/s
Bmax (nT): 15
Dst: -63
Suggested source CME:
V_transit: - km/s

1.2.Comments
Overall ICME quality index: 2
ICME types: MC
ICME signatures: ***short duration event
rotation of Bz
bidirectional PAD
low plasma beta
high charge state


Based on 470 km/s -> search window 88.4161 hrs or 3.68400 days -> 2011/01/31 20:35:02.125

2. CME
2.1. A. Candidate A

A.1. LASCO:
#CME 2011/01/30 12:36 UT, partial halo (from CDAW)
angle: 264 , velocity: 120 km/s


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


A.3. AIA & GOES
Eruption from ~S26E30, not associated with any major flare (onset 2011/01/29~13:33)

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



2.1. B. Candidate B
B.1. LASCO:
#CME 2011/01/30 19:36 UT, (from CDAW)
angle: 52, velocity: 512 km/s


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


A.3. AIA & GOES
Filament eruption from ~N25W38, not associated with any major flare (onset ~13:25 UT)

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


3. Other Comments
Two possible candidates
4. Summary
SW index : 3
Source index: 1
Overall index: 3
Filament: -/Yes
WDA: N/A

comment on CMEs within search window

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