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Interplanetary Shock (or CME Arrival)
Catalog: M2M_CATALOG
Location: STEREO A
Event Time: 2023-01-04T17:00Z ( STEREO A: IMPACT )
All Detecting Spacecrafts:
STEREO A: IMPACT
STEREO A: PLASTIC
Activity ID: 2023-01-04T17:00:00-IPS-001 (version 1)
Quality of ICME Signature: 2 (clear signatures)
Note: CME arrival signaled by the rotation of all 3 magnetic field components, with B total gradually (by ~2023-01-04T19Z) exceeding 15nT, also corroborated by significant sharp density drop (flux rope arrival) seen by PLASTIC closer to 2023-01-04T19:30Z. No corresponding jump in solar wind speed. The signature resembles the one seen at the end of 2023-01-03 at L1, with flux rope arriving hours after the sheath, corroborating the interpretation of this being the arrival of the 2022-12-30T16:53Z CME at STEREO A.
Submitted on 2023-01-04T20:03Z by Anna
Chulaki
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