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DONKI: View SW Activity
Coronal Mass Ejection
Catalog: M2M_CATALOG
Start Time: 2026-03-17T06:38Z ( STEREO A: SECCHI/COR2 )
All Detecting Spacecrafts:
STEREO A: SECCHI/COR2
Activity ID: 2026-03-17T06:38:00-CME-001 (version 1)
Source Location: S20E05
Note Keyword:
OVR: Event partially overlaps with another CME
Source Signature Keyword:
OFL: Moving/Opening field lines
DIM: Dimming
Morphology Keyword:
Note: Narrow CME seen to the east in STEREO A COR2. Not visible in SOHO LASCO C2/C3 or GOES CCOR-1 imagery. The potential source is an eruption with dimming and opening field lines starting around 2026-03-17T03:55Z as seen on the SE limb in STEREO A EUV 195 imagery. This is similar to the source eruption associated with CME: 2026-03-17T05:08Z, which overlaps in the field of view of the coronagraph, but there may be two eruptions associated with this event. The eruption can also be seen as dimming in GOES-Secondary SUVI 195 imagery, centered around S20E05.
Version 1 submitted on 2026-03-17T15:27Z by Mary Aronne
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) |
Measured On |
Submitted By |
|
CME Analysis
|
M2M_CATALOG |
LE
|
true |
SWPC_CAT |
3.0 |
-9.0 |
470.0 |
S |
13.0 |
2026-03-17T12:54Z |
Measurement based on the potential source location. The CME is not visible in SOHO LASCO C2/C3 or GOES CCOR-1 imagery, and leading to additional uncertainty about the accuracy of the source location. |
1: Result 1 (2.0 AU)
Earth = 2026-03-20T06:00Z
(PE: 4.5 h)
BepiColombo = 2026-03-19T03:00Z
OSIRIS-APEX = 2026-03-20T22:00Z
2: Result 2 (5.5 AU)
Earth = 2026-03-20T06:00Z
(PE: 4.5 h)
BepiColombo = 2026-03-19T03:00Z
OSIRIS-APEX = 2026-03-20T22:00Z
3: Result 3 (2.0 AU)
Earth = 2026-03-20T06:00Z
(PE: 4.5 h)
BepiColombo = 2026-03-19T03:00Z
OSIRIS-APEX = 2026-03-20T22:00Z
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Mary Aronne on 2026-03-17T15:28Z |
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