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DONKI: View SW Activity
Coronal Mass Ejection
Catalog: M2M_CATALOG
Start Time: 2025-10-03T16:38Z ( SOHO: LASCO/C2 )
All Detecting Spacecrafts:
SOHO: LASCO/C2
SOHO: LASCO/C3
STEREO A: SECCHI/COR2
GOES: CCOR-1
Activity ID: 2025-10-03T16:38:00-CME-001 (version 1)
Note Keyword:
DPL: CME exhibits dimpled front
Faint: Faint event; may affect type assignment
GAP: Data gap
OFL: Outflowing material at the back of the CME
Source Signature Keyword:
Morphology Keyword:
O: Other
Note: Faint, wide, slow CME observed as barely a partial halo to the E/SE in SOHO LASCO C2/C3 and GOES CCOR-1, and more directly to the E in STEREO A COR2 with a large data gap between 2025-10-03T18:53Z to 2025-10-03T22:23Z. The source for this event is uncertain, and the slow evolving lobed nature of the front highlights this uncertainty, with two visible eruption candidates that are poor fits. A filament eruption spanning N20W30 to N40W60 which begins to lift-off around 2025-10-03T15:45Z as seen in GOES SUVI 131/171/195/304 is observed, along with faint, slow dimming and field line loop brightening over cluster of AR 14232 (N04W14) and AR 14236 (N10W22) starting around 2025-10-03T15:00Z; but neither source is clearly associated with this front.
Version 1 submitted on 2025-10-04T00:47Z by Tony Iampietro
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 |
-20.0 |
1.0 |
213.0 |
S |
29.0 |
2025-10-04T07:00Z |
Triangulation between SOHO LASCO C2/C3 and STEREO A COR2 with a higher degree of uncertainty. This is due to the lack of clean observed source, faint leading edge in SOHO LASCO, a large data gap in STEREO A COR2 spanning most of this event, and the lobed front which is partially chopped off for this analysis focusing on the main equatorial lobe best viewed from COR2A. While uncertainty lies in the latitude, longitude, and half width, there is higher certainty in the speed being <=250 km/s. |
1: Result 1 (2.0 AU)
Earth = 2025-10-08T12:00Z
(PE: -19.7 h)
OSIRIS-APEX = 2025-10-08T06:00Z
Parker Solar Probe = 2025-10-06T06:00Z
Solar Orbiter = 2025-10-06T16:00Z
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2025-10-04T00:45Z |
Tony Iampietro on 2025-10-04T00:51Z |
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