CME Analysis Information (for CME activity ID: 2026-06-03T07:23:00-CME-001)
Measurement Creation Time: 2026-06-03T11:21Z
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/C2
SOHO: LASCO/C3
STEREO A: SECCHI/COR2
GOES: CCOR-1
Image Type:
running difference
Speed (km/s):
1474.0
Speed measured at height (Rs):
19.0
Type: O
Direction (LON/LAT in HEEQ):
19.0/
52.0
Half Angular Width (degree): 31.0
Minor Half-width (degree): None Entered
Tilt (degree): None Entered
Time@21.5: 2026-06-03T09:27Z
Info/Session URL: None Entered
Note: Approximate analysis of the messy, two-lobed bulk front of this CME, based on the fit with three coronagraphs (STEREO A COR2, SOHO LASCO and GOES CCOR-1). There is clear northward deflection from the source location of the M-class flare (N14W13) but the associated erupting filament seems to originate a bit to the west from the flare location and is then seen deflecting northwardly, so the coronal signatures generally confirm this analysis. The half-width of the CME is based on later imagery in STEREO A COR2, as in coronagraphs there is/are later, wider, lobe(s) of this CME that seem to be integral part of it.
Measurement Feature Code(s):
LE: Leading Edge
General Keyword(s):
Version 1 submitted on 2026-06-03T12:39Z by Anna Chulaki
Version 2 submitted on 2026-06-03T13:10Z by Mattie Anastopulos
A Notification with ID
20260603-AL-009 was sent on 2026-06-03T13:24Z
A Notification with ID
20260603-AL-013 was sent on 2026-06-03T18:26Z
A Notification with ID
20260603-AL-014 was sent on 2026-06-03T23:21Z
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