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: 2012/10/12 19:00 UT
Ejecta start time: 2012/10/12 22:00 UT
Ejecta end time: 2012/10/13 10:00 UT
dv= 40 km/s, v = 490 km/s, vmax = 530 km/s
Bmax (nT): 11
Dst: -90
Suggested source CME:
V_transit: - km/s

1.2.Comments
Overall ICME quality index: 2
SW type: MC
ICME signatures: increase of magnetic field
rotation of Bz
low proton temperature


Based on 530 km/s -> search window 78.4067 hrs or 3.26695 days -> 2012/10/09 12:35:35.875

2. CME
2.1. A. Candidate A
A.1. LASCO:
#CME 2012/10/09 02:12 UT (not listed on CDAW)
angle: , velocity: 187 km/s


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


A.3. AIA & GOES
Eruption from AR 11585 (~S26W10), not associated with any major flare (onset ~ 2012/10/08 19:54).

A.4. Comment:
Could be the source of disturbance (the time of eruption is outside of the search window)


3. Other Comments
Short duration event. The possible CME candidate is outside of the search window.

4. Summary
SW index: 2
Source index: 1
Overall index: 2
Filament: N
WDA: Y

comment on CMEs within search window

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