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DONKI: View SW Activity
Coronal Mass Ejection
Catalog: M2M_CATALOG
Start Time: 2026-06-01T19:00Z ( SOHO: LASCO/C2 )
All Detecting Spacecrafts:
SOHO: LASCO/C2
SOHO: LASCO/C3
STEREO A: SECCHI/COR2
GOES: CCOR-1
Activity ID: 2026-06-01T19:00:00-CME-001 (version 1)
Note Keyword:
OVR: Event partially overlaps with another CME
CHP: CME - Coronal Hole Proximity
Source Signature Keyword:
PEA: Post eruption arcade
OFL: Moving/Opening field lines
Morphology Keyword:
Note: CME first seen to the SW in SOHO LASCO C2 starting at 2026-06-01T19:00Z. This CME is also seen to the SW in SOHO LASCO C3, STEREO A COR2, and GOES CCOR-1. This is the slower and wider of two overlapping CMEs. There are a series of coronal signatures likely associated with these two CMEs. This first is some ejecta seen over the W limb in SDO AIA 304 beginning around 2026-06-01T17:57Z. There are also some post-eruptive arcades best seen in STEREO A EUVI starting around 2026-06-01T18:55Z to the W of a small, SW coronal hole. Another coronal signature is a field line movement seen over the SW in STEREO A EUVI 195, GOES SUVI 284, and SDO AIA 171/193 beginning around 2026-06-01T18:30Z.
Version 1 submitted on 2026-06-01T23:36Z by Elizabeth Juelfs
A Notification with ID
20260602-AL-001 was sent on 2026-06-02T00:40Z
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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 |
120.0 |
-39.0 |
519.0 |
C |
33.0 |
2026-06-02T02:00Z |
Measurement of BULK feature based on best fit among SOHO LASCO C2/C3, GOES CCOR-1, and STEREO A COR2 as well as on visible source location in STEREO A EUVI. |
1: Result 1 (2.0 AU)
Mars = 2026-06-06T06:00Z
Psyche = 2026-06-06T06:00Z
2: Result 2 (2.0 AU)
Mars = 2026-06-05T12:00Z
Psyche = 2026-06-05T12:00Z
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Elizabeth Juelfs on 2026-06-01T23:40Z |
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CME Analysis
|
M2M_CATALOG |
SH
|
true |
SWPC_CAT |
120.0 |
-34.0 |
481.0 |
S |
43.0 |
2026-06-02T02:30Z |
Measurement of SHOCK feature based on best fit among SOHO LASCO C2/C3, GOES CCOR-1, and STEREO A COR2. |
1: Result 1 (2.0 AU)
Mars = 2026-06-06T02:00Z
Psyche = 2026-06-06T02:00Z
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Elizabeth Juelfs on 2026-06-01T23:39Z |
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