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Coronal Mass Ejection
Catalog: M2M_CATALOG
Start Time: 2025-05-12T23:48Z ( SOHO: LASCO/C2 )
All Detecting Spacecrafts:
SOHO: LASCO/C2
SOHO: LASCO/C3
STEREO A: SECCHI/COR2
GOES: CCOR-1
Activity ID: 2025-05-12T23:48:00-CME-001 (version 1)
Note Keyword:
3P: 3-part structure CME
Ha: Bright emission (likely H-alpha emission)
PRM: Prominence material (filamentary structures)
Source Signature Keyword:
PEA: Post eruption arcade
FIL: Filament eruption
OFL: Moving/Opening field lines
DIM: Dimming
Morphology Keyword:
L: Loop
Note: Bright loop CME first seen in the North by SOHO LASCO C2 beginning at 2025-05-12T23:48Z, as well as by SOHO LASCO C3, STEREO A COR2 and GOES CCOR-1 in later frames. The source of this event is two very large filament eruption, one seen on the Earth facing disk, and the other on the far side. The Earth facing filament has footpoints at approx. N20W50 and N50E60, where as the far sided filament appears to be just beyond the NW limb. These filaments are best seen in SDO AIA and GOES SUVI 304, along with dimming and field line opening seen in SDO AIA 171, 193, 211 and GOES SUVI 284. In coronagraphs, the on disk eruption appears to over shadow the far sided eruption, and they appear as one feature.
Version 1 submitted on 2025-05-13T12:18Z by Melissa Kane
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
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true |
SWPC_CAT |
2.0 |
46.0 |
428.0 |
S |
43.0 |
2025-05-13T08:40Z |
Measurement based on approximate source location and best fit between SOHO LASCO C2/C3 and STEREO A COR2. |
1: Result 1 (2.0 AU)
Earth = 2025-05-16T00:00Z
(PE: -20.2 h)
STEREO A = 2025-05-16T10:00Z
(PE: -0.6 h)
2: Result 2 (5.5 AU)
Earth = 2025-05-16T00:00Z
(PE: -20.2 h)
Psyche = 2025-05-19T18:00Z
STEREO A = 2025-05-16T10:00Z
(PE: -0.6 h)
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Melissa Kane on 2025-05-13T12:19Z |
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