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Coronal Mass Ejection
Catalog: M2M_CATALOG
Start Time: 2025-08-03T13:36Z ( SOHO: LASCO/C2 )
All Detecting Spacecrafts:
SOHO: LASCO/C2
SOHO: LASCO/C3
GOES: CCOR-1
Activity ID: 2025-08-03T13:36:00-CME-001 (version 1)
Note Keyword:
Faint: Faint event; may affect type assignment
GAP: Data gap
OFL: Outflowing material at the back of the CME
Source Signature Keyword:
Morphology Keyword:
OS: Other and Shock Candidate
Note: A very faint fan-like CME seen to the NE in GOES CCOR-1 and SOHO LASCO C2/C3 (mostly only in running difference imagery). Its front is best seen in C2 difference imagery and is fully covered by a large data gap in STEREO A. The source is not clear: it could be a couple of faint but distinct movements of field lines on/behind the NW limb seen after 2025-08-03T13Z in SDO AIA 193, but alternatively the CME might be connected to an eruption happening after 2025-08-03T11:40Z just N of AR 4165 (N12E25) and seen as minor to medium size dimming in SDO AIA 193.
Version 1 submitted on 2025-08-04T12:13Z by Anna Chulaki
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
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M2M_CATALOG |
LE
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true |
SWPC_CAT |
-100.0 |
17.0 |
390.0 |
S |
20.0 |
2025-08-03T22:46Z |
Updated measurement based on the approximate source location, which is observed slightly beyond the eastern limb. Due to a data gap in STEREO A COR2 imagery, a triangulated measurement was not available. The measured longitude may vary slightly as a result. |
1: Result 1 (2.0 AU)
Mars = 2025-08-08T18:00Z
2: Result 2 (5.5 AU)
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2025-08-04T17:25Z |
Mattie Anastopulos on 2025-08-04T17:25Z |
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CME Analysis
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M2M_CATALOG |
LE
|
false |
Plane-of-sky |
NONE |
20.0 |
517.0 |
C |
23.0 |
2025-08-03T20:48Z |
Plane-of-sky analysis of this CME with SOHO (and CCOR-1) coronagraphs. The CME is covered by a large data gap in STEREO A imagery, so no 2-coronagraph analysis is possible. Its source is not clear (there are potential on-disk and on/behind the E limb sources). |
Not modeled
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2025-08-04T12:16Z |
Anna Chulaki on 2025-08-04T12:16Z |
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