Note on tracking Sun-Earth connection event

ICME Event: 2011/09/16

Observer: Eleni Nikou on 2019/06

1. ICME
  1.1. Catalog
     # Identified in ICME catalogs: Richardson & Can List
      RC catalog:
      Disturbance start time: 2011/09/16 19:00 UT
      Ejecta      Start time: 2011/09/16 19:00 UT
      Ejecta      End   time: 2011/09/17 05:00 UT
      dv = 10 km/s, v = 390 km/s, vmax= 420 km/s
      MC index:     0
      Dst:        -16 nT
      Suggested source CME: -
      V_transit: -
      
  1.2. Comments
      Overall ICME quality index: 3
      ICME signatures: Bmax: 9.5 nT
               ICME signatures: Tp<Texp in parts
      
      Disturbance time 390 km/s  -> search window 4-5 days earlier

2. CME
   2.1. A. Candidate A
    A.1. LASCO:    
      #CME 2011/09/10 08:48 UT, partial halo CME
           

    A.2 .STEREO: 
           Also seen as a CME in COR2-A and COR2 B (first frame at COR2-A 09:24 UT)
	   Front-side CME, consistent with the flare source region

    A.3. AIA & GOES     
	   corresponding flare: M1.1 at 2011/09/10 07:18 UT
	                        flare from AR11283 at N12W61

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


   
3. Other Comments

    We can not see dimmings.     

4. Summary
    SW index 3
    Source index 2
    Overall index 3