1.1.Catalog
# Identified in ICME catalogs: Richardson & Cane List
RC Catalog
Disturbance start time: 2011/05/28 01:00 UT
Ejecta start time: 2011/05/28 05:00 UT
Ejecta end time: 2011/05/28 21:00 UT
dv= 60 km/s, v = 510 km/s, vmax = 540 km/s
Bmax (nT): 11
Dst: -80
Suggested source CME: 201105/25,0420W/r :
V_transit: 450 km/s
1.2.Comments
Overall ICME quality index: 1
ICME type: MC
ICME signatures: B > 10 nT
rotation of Bz
low proton temperature (than expected)
high charge state
low plasma beta
Based on 540 km/s -> search window 76.9547 hrs or 3.20645 days -> 2011/05/24 20:02:42.938
2. CME
2.1. A. Candidate A
A.1. LASCO:
#CME 2011/05/25 13:25 UT, (from CDAW)
angle: 78, velocity: 561 km/s
A.2. STEREO:
Small CME in both COR2-A and COR2-B FOV, frontside moving CME
A.3. AIA & GOES
Eruption from near the AR 11218 (~S13W25), not associated with any major flare (onset 12:30)
A.4. Comment:
could be the source of disturbance
2.1. B. Candidate B
B.1. LASCO:
#CME 2011/05/25 ~05:00 UT, ( not listed on CDAW)
angle: , velocity: km/s
B.2. STEREO:
Small CME in both COR2-A and COR2-B, frontside moving CME. Appeared ~04:54 UT in COR2 FOV.
B.3. AIA & GOES
Eruption from AR 11218 (S17W12), associated with B1.9 flare (onset 03:41)
B.4. Comment:
could be the source of disturbance
3. Other Comments
Two CMEs from same AR are the possible source of disturbance
4. Summary
SW index : 1
Source index: 2
Overall index: 2
Filament: N/A
WDA: No