Note on tracking Sun-Earth connection event

Observer: ...

ICME

1.1.Catalog
# Identified in ICME catalogs: Wind/UTSC Catalog
Wind/UTSC Catalog
Disturbance start time: 2011/04/23 00:01 UT
Ejecta start time: 2011/04/23 00:01 UT
Ejecta end time: 2011/04/24 13:11 UT
dv= km/s, v = km/s, vmax = km/s
Bmax (nT):
Dst: -14
Suggested source CME:
V_transit: km/s

1.2.Comments
Overall ICME quality index:
ICME types:
ICME signatures:


Based on km/s -> search window 96 hrs

2. CME
2.1. A. Candidate A
A.1. LASCO:
#CME 2011/04/17 00:00 UT, (from CDAW)
angle: 96 , velocity: 179 km/s


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


A.3. AIA & GOES
Filament eruption from N37W12, not associated with any major flare. Onset of eruption started on 2011/04/16 ~10:03 UT

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

2.1. B. Candidate B
B.1. LASCO:
#CME 2011/04/19 22:36 UT, (from CDAW)
angle: 12, velocity: 203 km/s


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


B.3. AIA & GOES
Filament eruption from ~N27E82, not associated with any major flare (onset ~21:06 UT)

B.4. Comment:
less likely the source of disturbance due to the location

3. Other Comments

4. Summary
SW index : 2
Source index: 2
Overall index: 2
Filament: Yes
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