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DONKI: View SW Activity
Coronal Mass Ejection
Catalog: M2M_CATALOG
Start Time: 2024-12-19T17:53Z ( STEREO A: SECCHI/COR2 )
All Detecting Spacecrafts:
STEREO A: SECCHI/COR2
SOHO: LASCO/C2
SOHO: LASCO/C3
Activity ID: 2024-12-19T17:53:00-CME-001 (version 1)
Note Keyword:
FOV: Front Bright front; may be evidence of pileup
GAP: Data gap
HAL: Halo CME
OVR: Event partially overlaps with another CME
Source Signature Keyword:
OFL: Moving/Opening field lines
Morphology Keyword:
Note: Halo CME first seen in STEREO A COR2 at 2024-12-19T17:53Z. The bulk of the CME is to the SW. This CME is also seen in SOHO LASCO C2/C3. This start time was chosen based on when the CME was first seen in available imagery at the time of analysis, but the actual start time is earlier. The source of this CME is most likely far-sided. There are no good source candidates on the Earth-facing disk, and coronal signatures from beyond the SW limb suggest a far-sided source. In GOES SUVI 284, there is some flickering in the farthest out field lines over the SW limb across most of the SW quadrant first seen at about 2024-12-19T16:19Z. There is also some very faint ejecta seen from beyond the SW limb in GOES SUVI 304 starting about 2024-12-19T16:21Z. Measurements are consistent with a far-sided source. This CME also overlaps with a prior filament eruption to the SW.
Submitted on 2024-12-19T23:28Z by Elizabeth
Juelfs
A Notification with ID
20241220-AL-001 was sent on 2024-12-20T00:19Z
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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
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M2M_CATALOG |
LE
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true |
SWPC_CAT |
126.0 |
-26.0 |
814.0 |
C |
52.0 |
2024-12-19T20:53Z |
Parameters based on best fit using SOHO LASCO C3 and STEREO A COR2 imagery. |
1: Result 1 (2.0 AU)
BepiColombo = 2024-12-20T19:26Z
2: Result 2 (5.5 AU)
Psyche = 2024-12-26T10:06Z
BepiColombo = 2024-12-20T19:00Z
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Elizabeth Juelfs on 2024-12-19T23:30Z |
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