CME Analysis Information (for CME activity ID: 2025-11-28T14:00:00-CME-001)
Measurement Creation Time:
Catalog: M2M_CATALOG
Data Level: 0 (0=real-time, 1=real-time and checked by supervising forecaster, 2=retrospective science level data analysis)
Use as primary measurement: true
Measurement Technique:
SWPC_CAT
Detecting Instruments:
SOHO: LASCO/C3
STEREO A: SECCHI/COR2
GOES: CCOR-1
Image Type:
running difference
Speed (km/s):
525.0
Speed measured at height (Rs):
10.6
Type: C
Direction (LON/LAT in HEEQ):
-127.0/
28.0
Half Angular Width (degree): 43.0
Minor Half-width (degree): None Entered
Tilt (degree): None Entered
Time@21.5: 2025-11-28T19:46Z
Info/Session URL: None Entered
Note: Parameters based on best fit using GOES CCOR-1, STEREO A COR2, and SOHO LASCO C3 imagery. The CME feature in STEREO A COR2 imagery appears significantly more narrow than what is visible in SOHO LASCO C3 and GOES CCOR-1. This is possibly due to the different perspectives, but uncertainty of the parameters cannot be ignored.
Measurement Feature Code(s):
LE: Leading Edge
General Keyword(s):
Version 1 submitted on 2025-11-28T18:55Z by Carina Alden
A Notification with ID
20251128-AL-003 was sent on 2025-11-28T19:58Z
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