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: 2011/03/29 16:02 UT
Ejecta start time: 2011/03/29 23:00 UT
Ejecta end time: 2011/03/31 04:00 UT
dv= 50 km/s, v = 360 km/s, vmax = 390 km/s
Bmax (nT): 12
Dst: -4
Suggested source CME: 2011/03/24,1900
V_transit: 360 km/s

1.2.Comments
Overall ICME quality index: 2
ICME type: SH+MC
ICME signatures: Rotation of Bz
bidirectional PAD
smooth decrease of sw velocity
low plasma density, and plasma beta
low proton temperature than expected


Based on 390 km/s -> search window 144.000 hrs or 6.00000 days -> 2011/03/23 16:02:00.000

2. CME
2.1. A. Candidate A
A.1. LASCO:
#CME 2011/03/25 01:25 UT, (from CDAW)
angle: 85, velocity: 45 km/s


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


A.3. AIA & GOES
solar source is not clear

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



2.1. B. Candidate B

B.1. LASCO:
#CME 2011/03/24 12:48 UT, partial halo ( from CDAW)
angle: 191, velocity: 540 km/s


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


B.3. AIA & GOES
Eruption from AR 11176 (S16E43), associated with M1.0 flare (onset 12:01)
EUV dimming seem to move toward the central meridian

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

2.1. C. Candidate C
C.1. LASCO:
#CME 2011/03/24 17:48 UT, ( from CDAW)
angle: 36, velocity: 193 km/s


C.2. STEREO:
Small CME in both COR2-A and COR2-B, frontside moving CME.


C.3. AIA & GOES
Eruption from AR 11176 (S14E40), associated with C1.6 flare (onset 17:01)

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


2.1. D. Candidate D
D.1. LASCO:
#CME 2011/03/25 14:36 UT, ( from CDAW)
angle: >191, velocity: 119 km/s


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


D.3. AIA & GOES
solar source is not clear (maybe related to the eruption from AR 11176)

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



3. Other Comments
Multiple possible candidates
4. Summary
SW index: 2
Source index
Overall index
Filament: NA
WDA:

comment on CMEs within search window

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