sun2earth

Note on tracking Sun-Earth connection event

Observer: SD

ICME

1.1.Catalog
# Identified in ICME catalogs: Richardson & Cane List
RC Catalog
Disturbance start time: 2012/09/06 02:00 UT
Ejecta start time: 2012/09/06 02:00 UT
Ejecta end time: 2012/09/06 15:00 UT
dv= 0 km/s, v = 420 km/s, vmax = 420 km/s
Bmax (nT): 10
Dst: -32
Suggested source CME:
V_transit: - km/s

1.2.Comments
Overall ICME quality index: 2
ICME type: EJ
ICME signatures: jump in magnetic field
high charge state
low plasma beta

Based on 420 km/s -> search window 98.9418 hrs or 4.12257 days -> 2012/09/01 23:03:29.531

2. CME
2.1. A. Candidate A
A.1. LASCO:
#CME 2012/09/02 18:48 UT (from CDAW)
angle: 192, velocity: 498 km/s

A.2. STEREO:
Front side moving CME.

A.3. AIA & GOES
Eruption from AR 11560, associated with C5.5 flare.

A.4. Comment:
Likely the source of disturbance.

2.1. B. Candidate B
B.1. LASCO:
#CME 2012/09/02 04:00 UT (from CDAW)
angle: 360, velocity: 538 km/s

B.2. STEREO:
Major CME in both COR2-A and COR2-B. Front side moving CME.

B.3. AIA & GOES
Eruption from AR 11560, associated with C2.9 flare.

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

2.1. C. Candidate C
C.1. LASCO:
#CME 2012/09/02 09:36 UT (from CDAW)
angle: 173, velocity: 404 km/s

C.2. STEREO:
Front side moving CME.

C.3. AIA & GOES
Eruption from AR 11560, not associated with any major flare.

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

3. Other Comments
Candidate A is the same (one of the candidate) as of disturbance '201209042245'

4. Summary
SW index : 2
Source index: 2
Overall index: 2
Filament: N
WDA: CNBD

comment on CMEs within search window

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