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DONKI: View SW Activity
Coronal Mass Ejection
Catalog: M2M_CATALOG
Start Time: 2023-08-17T02:48Z ( SOHO: LASCO/C2 )
All Detecting Spacecrafts:
SOHO: LASCO/C2
SOHO: LASCO/C3
STEREO A: SECCHI/COR2
Activity ID: 2023-08-17T02:48:00-CME-001 (version 1)
Active Region Number: 13394
Note Keyword:
3P: 3-part structure CME
GAP: Data gap
KEY: Keyhole-hole shaped CME
PRM: Prominence material (filamentary structures)
Source Signature Keyword:
FLR: Flare
PEA: Post eruption arcade
FIL: Filament eruption
OFL: Moving/Opening field lines
BR: Brightening
Morphology Keyword:
FS: Flux Rope and Shock Candidate
Note: CME visible in the SW of SOHO LASCO C2/C3 and in STEREO A COR2. The source is a prominence eruption on the SW limb starting around 2023-08-17T02:15Z. The material can be seen lifting off in SDO AIA 193/304, opening field lines are visible in SDO AIA 171/193. The eruption is also visible on the SW limb in STEREO A EUV imagery. This is believed to be associated with a C3.6 flare from Active Region 3394 which rotated off the Earth-facing disk on 2023-08-15, situated around longitude 105-110 during this eruption. Slight elevation in GOES > 10 MeV, SOHO COSTEP proton flux, and STEREO A proton flux observed in the hours after this eruption, but these values remained below the threshold for an SEP event.
Submitted on 2023-08-17T12:43Z by Mary
Aronne
A Notification with ID
20230817-AL-001 was sent on 2023-08-17T13:22Z
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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 |
105.0 |
-26.0 |
859.0 |
C |
43.0 |
2023-08-17T06:50Z |
Measurement using longitude where eruption is likely centered beyond west limb based on EUV imagery, but longitude may vary between approximately 90 to 110 degrees. This measurement of the leading edge is similar to the measurement for the shock of this CME. The shock of this CME was not clearly discernible in SOHO C3 difference imagery, so the most reliable measurements for this CME were taken for the leading edge. |
1: Result 1 (2.0 AU)
Solar Orbiter = 2023-08-19T07:08Z
2: Result 2 (5.5 AU)
Solar Orbiter = 2023-08-19T07:14Z
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Mary Aronne on 2023-08-17T12:46Z |
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