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: 2013/04/13 22:54 UT
Ejecta start time: 2013/04/14 17:00 UT
Ejecta end time: 2013/04/15 23:00 UT
dv= 100 km/s, v = 410 km/s, vmax = 520 km/s
Bmax (nT): 9
Dst: -6
Suggested source CME: 2013/04/11 07:24
V_transit: 660 km/s

1.2.Comments
Overall ICME quality index: 2
SW type: SH+EJ
ICME signatures: Increase of magnetic filed, however magnetic field during the disturbance is not smooth.

Increase in velocity and its smooth decay
** proton temperature is higher than expected temperature


Based on 520 km/s -> search window 79.9145 hrs or 3.32977 days -> 2013/04/10 14:59:07.719

2. CME
2.1. A. Candidate A
A.1. LASCO:
#CME 2013/04/11 07:24 UT, halo CME (from CDAW)
angle: 360, velocity: 861 km/s
SEEDS vel C2: 423 km/s

A.2. STEREO:
Partial halo CME on both COR2-A and COR2-B


A.3. AIA & GOES:
M 6.5 class flare (N07E13) from NOAA AAR 11719, starting on 2013/04/11 06:55 UT.

A.4. Comments:
Likely the source. The flare location was near the solar disk.


3. Other Comments
GMU's ENLIL run suggests that this CME reached the Earth on 2013/04/14 ~ 02:00 UT.
DST index is very small (-6).

4. Summary
SW index: 2
Source index: 1
Overall index: 2
Filament:
WAD: Yes

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