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Coronal Mass Ejection
Catalog: M2M_CATALOG
Start Time: 2025-09-04T20:30Z ( GOES: CCOR-1 )
All Detecting Spacecrafts:
GOES: CCOR-1
SOHO: LASCO/C2
SOHO: LASCO/C3
Activity ID: 2025-09-04T20:30:00-CME-001 (version 4)
Source Location: N08W09
Active Region Number: 14206
Note Keyword:
DFL: Likely deflection of the event within the FOV
Faint: Faint event; may affect type assignment
FF: Event fails/disappears before exiting COR2
HAL: Halo CME
OFL: Outflowing material at the back of the CME
Source Signature Keyword:
PEA: Post eruption arcade
FIL: Filament eruption
BR: Brightening
DIM: Dimming
Morphology Keyword:
U: Unknown
Note: A very faint full halo CME best seen to the SE in GOES CCOR-1 and in SOHO LASCO C3. Following SOHO backfill, the CME's start time in SOHO LASCO C2 is closer to 2025-09-04T19:48Z. The CME is completely covered by the large data gap in STEREO A COR2 starting at 2025-09-04T18Z and ending at 2025-09-04T22:08Z. Its source is likely the 2025-09-04T19:19Z central eruption near AR 4206 (N08W09), with a long, narrow southward-directed filament best seen in SDO AIA 304 and in GOES SUVI 304. Dimming and post-eruptive arcades are also best visible in SDO AIA 193, and the eruption can be seen across all wavelengths of SDO AIA imagery.
Version 1 submitted on 2025-09-05T05:18Z by Anna Chulaki
Version 2 submitted on 2025-09-05T13:59Z by Mary Aronne
Version 3 submitted on 2025-09-05T16:23Z by Tony Iampietro
Version 4 submitted on 2025-09-05T18:11Z by Mary Aronne
A Notification with ID
20250905-AL-001 was sent on 2025-09-05T16:48Z
A Notification with ID
20250906-AL-001 was sent on 2025-09-06T00:11Z
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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 |
SH
|
true |
SWPC_CAT |
-14.0 |
-9.0 |
1379.0 |
O |
37.0 |
2025-09-04T22:02Z |
UPDATE: Reevaluated to be the SHOCK portion of this CME. Measurement based of fainter, wider, outermost leading edge of the CME. |
1: Result 1 (2.0 AU)
Earth = 2025-09-06T12:10Z
(PE: -1.7 h)
OSIRIS-APEX = 2025-09-06T12:59Z
STEREO A = 2025-09-07T05:00Z
(PE: 8.3 h)
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2025-09-05T13:31Z |
Tony Iampietro on 2025-09-05T14:51Z |
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CME Analysis
|
M2M_CATALOG |
LE
|
true |
SWPC_CAT |
-19.0 |
2.0 |
1021.0 |
O |
41.0 |
2025-09-04T23:04Z |
BULK measurement of the brighter, inner portion of the CME. SOHO LASCO C2/C3 only due to STEREO A COR2 data gap. |
1: Result 1 (2.0 AU)
Earth = 2025-09-06T18:42Z
(PE: 4.8 h)
OSIRIS-APEX = 2025-09-06T19:35Z
STEREO A = 2025-09-07T07:00Z
(PE: 10.3 h)
2: Result 2 (5.5 AU)
Earth = 2025-09-06T18:56Z
(PE: 5.1 h)
OSIRIS-APEX = 2025-09-06T19:45Z
STEREO A = 2025-09-07T07:00Z
(PE: 10.3 h)
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2025-09-05T13:10Z |
Tony Iampietro on 2025-09-05T14:58Z |
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CME Analysis
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M2M_CATALOG |
LE
|
false |
SWPC_CAT |
-9.0 |
3.0 |
781.0 |
C |
45.0 |
2025-09-04T23:47Z |
A very approximate and unreliable preliminary analysis of the extremely faint and unclear second front of this CME with one coronagraph only (GOES CCOR-1) only. Because the CME is only seen in CCOR-1 and LASCO imagery and not seen in STEREO A COR2 we cannot estimate its width at all. |
Not modeled
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2025-09-05T05:37Z |
Anna Chulaki on 2025-09-05T05:37Z |
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