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Coronal Mass Ejection
Catalog: M2M_CATALOG
Start Time: 2025-10-26T19:48Z ( SOHO: LASCO/C2 )
All Detecting Spacecrafts:
SOHO: LASCO/C2
SOHO: LASCO/C3
GOES: CCOR-1
Activity ID: 2025-10-26T19:48:00-CME-001 (version 5)
Note Keyword:
Faint: Faint event; may affect type assignment
FF: Event fails/disappears before exiting COR2
GAP: Data gap
HAL: Halo CME
OFL: Outflowing material at the back of the CME
OVR: Event partially overlaps with another CME
Source Signature Keyword:
Morphology Keyword:
L: Loop
Note: A faint, slow, loop partial halo (followed by another faint loop) CME seen in SOHO LASCO and CCOR-1 to the NE and not seen (covered by the large daily data gap) in STEREO A COR2. The start of this CME is likely earlier. No source has been found for it, so it is likely far-sided. The source could be former Active Region 14246, which should be at the longitude of -168 deg at the time.
Version 1 submitted on 2025-10-26T23:05Z by Anna Chulaki
Version 2 submitted on 2025-10-26T23:13Z by Anna Chulaki
Version 3 submitted on 2025-10-27T00:15Z by Anna Chulaki
Version 4 submitted on 2025-10-27T00:15Z by Anna Chulaki
Version 5 submitted on 2025-10-27T16:59Z by Mary Aronne
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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
|
true |
SWPC_CAT |
-171.0 |
24.0 |
480.0 |
S |
29.0 |
2025-10-26T23:53Z |
Very speculative measurement with one coronagraph only (since STEREO A COR2 is not available because of the large data gap). The CME latitude could be different: the latitude of +24 deg has been selected as the latitude of the former AR 14246, however this AR has produced many CMEs with much higher latitude. As a result, latitude and speed of this event could be significantly different. |
1: Result 1 (2.0 AU)
Mars = 2025-10-30T05:00Z
2: Result 2 (5.5 AU)
Mars = 2025-10-30T05:00Z
Psyche = 2025-11-01T04:00Z
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Anna Chulaki on 2025-10-26T23:12Z |
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