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Coronal Mass Ejection
Catalog: M2M_CATALOG
Start Time: 2024-01-09T02:00Z ( SOHO: LASCO/C2 )
All Detecting Spacecrafts:
SOHO: LASCO/C2
SOHO: LASCO/C3
STEREO A: SECCHI/COR2
Activity ID: 2024-01-09T02:00:00-CME-001 (version 2)
Note Keyword:
COL: Possible collision with previous CME
FF: Event fails/disappears before exiting COR2
OVR: Event partially overlaps with another CME
Source Signature Keyword:
Morphology Keyword:
L: Loop
Note: Extremely faint loop seen to the SE in SOHO LASCO C2/C3 and STEREO A COR2. CME overlaps with a previous CME:2024-01-09T01:25Z. It is very uncertain what the source location of this eruption is, since it likely overlaps or is intermingled with the clearer source signature of previous CME:2024-01-09T01:25Z. If this CME has the same source location as the previous CME, then the source is around S30E35, just south of ARs 3540/3541. 
Version 1 submitted on 2024-01-09T23:22Z by Hannah Hermann
Version 2 submitted on 2025-03-19T21:37Z by Hannah Hermann
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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
CME Analysis M2M_CATALOG LE true SWPC_CAT -124.0 -61.0 389.0 S 30.0 2024-01-09T11:01Z Measurement assuming a farsided source location, which yielded the best fit between coronagraphs. There is still some uncertainty with this measurement, however, due to the lack of clear source location. Not modeled Hannah Hermann on 2024-01-09T23:37Z



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