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Coronal Mass Ejection
Catalog: M2M_CATALOG
Start Time: 2025-05-31T07:12Z ( SOHO: LASCO/C2 )
All Detecting Spacecrafts:
SOHO: LASCO/C2
STEREO A: SECCHI/COR2
Activity ID: 2025-05-31T07:12:00-CME-001 (version 2)
Source Location: S20E05
Note Keyword:
Faint: Faint event; may affect type assignment
FF: Event fails/disappears before exiting COR2
Source Signature Keyword:
OFL: Moving/Opening field lines
DIM: Dimming
Morphology Keyword:
Note: Very faint CME first seen to the South in SOHO LASCO C2 beginning at 2025-05-31T07:12Z, as well as by SOHO LASCO C3, GOES CCOR-1 and to the SE in STEREO A COR2 in later frames. The source of this event is likely continued dimming and field line movement seen following a large eruption from AR 14100. This dimming can be seen centered at approx. S20E05 in SDO AIA 211. No arrival signature was seen in solar wind at L1, however this CME may have been swept into the combined front by a later faster 2025-05-31T14:23Z CMe.
Version 1 submitted on 2025-05-31T22:26Z by Melissa Kane
Version 2 submitted on 2025-06-04T16:08Z 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) |
Submitted By |
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CME Analysis
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M2M_CATALOG |
LE
|
true |
SWPC_CAT |
-6.0 |
-25.0 |
404.0 |
S |
23.0 |
2025-05-31T15:14Z |
Measurement based on approximate source location and best fit between SOHO LASCO C2 and STEREO A COR2. This CME is too faint to be reliably measured in SOHO LASCO C3. |
1: Result 1 (2.0 AU)
Earth = 2025-06-03T08:00Z
OSIRIS-APEX = 2025-06-02T06:00Z
2: Result 2 (5.5 AU)
Earth = 2025-06-03T08:00Z
OSIRIS-APEX = 2025-06-02T06:00Z
Psyche = 2025-06-08T04:00Z
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Melissa Kane on 2025-05-31T22:28Z |
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