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Coronal Mass Ejection
Catalog: M2M_CATALOG
Start Time: 2025-09-04T06:08Z ( STEREO A: SECCHI/COR2 )
All Detecting Spacecrafts:
STEREO A: SECCHI/COR2
SOHO: LASCO/C2
SOHO: LASCO/C3
Activity ID: 2025-09-04T06:08:00-CME-001 (version 2)
Note Keyword:
DFL: Likely deflection of the event within the FOV
CHP: CME - Coronal Hole Proximity
Source Signature Keyword:
FLR: Flare
OFL: Moving/Opening field lines
BR: Brightening
Morphology Keyword:
F: Flux Rope
Note: Narrow flux rope CME seen to the N in STEREO A COR2 and to the NE in SOHO LASCO C2/C3. Obstructed by the pylon and Earthshine in GOES CCOR-1. Not seen in SOHO LASCO until the end of a data gap in SOHO LASCO at 2025-09-04T06:48Z. Source is likely a C2.9 flare and small eruption with ejecta from N27E10, but with heavy northward deflection, both from AR 14207 seen starting at 2025-09-04T05:25Z in SDO AIA 193. This eruption is in close proximity to a small area of open flux / a small coronal hole centered at N21E09 as seen in SDO AIA 193, which is directly adjacent and to the southwest of AR 14207; this very likely contributed to the strong northwestward deflection of this eruption.
Version 1 submitted on 2025-09-04T13:35Z by Hannah Hermann
Version 2 submitted on 2025-09-04T14:57Z by Hannah Hermann
No Notification has been sent for this activity yet.
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The List of CME Analysis already entered: |
| Event Type |
Catalog |
Measurement TypeCME measurement type: Leading Edge (LE), Shock Front (SH), Right Hand Boundary (RHB), Left Hand Boundary (LHB), Black/White Boundary (BW), Prominence Core (COR), Disconnection Front (DIS), Trailing Edge (TE). |
Prime?"primary flag" which is either True or False. If there are multiple CME analysis entries for a single CME, this flag would indicate which analysis is considered most accurate per measurement type. This is a helpful flag if you would like to download only one most accurate CME analysis per CME per Measurement Type |
Technique |
Long |
Lat |
Speed |
Type |
Half Width |
Time 21.5 |
Note |
WSA-ENLIL+Cone Result(s) |
Measured On |
Submitted By |
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CME Analysis
|
M2M_CATALOG |
LE
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true |
SWPC_CAT |
39.0 |
69.0 |
619.0 |
C |
17.0 |
2025-09-04T11:17Z |
Best fit measurement using several frames of SOHO LASCO C3 and STEREO A COR2. This measurement is consistent with the heavy northern deflection seen in UV imagery of the source eruption. |
Not modeled
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2025-09-04T13:36Z |
Hannah Hermann on 2025-09-04T13:36Z |
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