Note on tracking Sun-Earth connection event

ICME Event: 2011/07/06

Observer: Eleni Nikou on 2019/06

1. ICME
  1.1. Catalog
     # Identified in ICME catalogs: Richardson & Can List
      RC catalog:
      Disturbance start time: 2011/07/06 02:58 UT
      Ejecta      Start time: 2011/07/06 17:00 UT
      Ejecta      End   time: 2011/07/07 12:00 UT
      dv = 30 km/s, v = 360 km/s, vmax= 410 km/s
      MC index:     1
      Dst:        -28 nT
      Suggested source CME: -
      V_transit:  -
      
  1.2. Comments
      Overall ICME quality index: 3
      ICME signatures: Bmax: 6.4 nT
               ICME signatures: B decreases relatively smoothly after around 00:00 UT, Tp<Texp
               Velocity is almost constant
      
      Disturbance time 360 km/s  -> search window 4-5 days -> 2011/07/01-02

2. CME
   2.1. A. Candidate A
    A.1. LASCO:    
      #CME 2011/07/01 partial halo CME after 13:00 UT - poor event
           

    A.2 .STEREO: 
           Also seen as a CME in COR2-A and COR2 B (first appearence at COR2-A 12:54 UT)
	   Front-side CME

    A.3. AIA & GOES
	   corresponding flare: B4.1 at 2011/07/01 12:34 UT   
	                        flare from AR11244 at N14W06

    A.4 Comment:  
	   Could be the source: The timing and orientation is in agreement with the observations



3. Other Comments

   CDAW gives a partial halo CME - poor event, on 2011/07/02 - 07:50:23 UT but based on the observations and timing it is a back-side event.
   

4. Summary
    SW index 3
    Source index 3
    Overall index 3